Transcript
Система электропитания для систем измерения
Алексей Пазюк – инженер по применению
[email protected]
Промышленная автоматика • Терминалы • Автоматизация производства • Управление зданий • Медицинское оборудование • Управление двигателями
Решения TI для Smart Grid
EV Charging
Water Utility Meter
3
Содержание • DC/DC преобразователи для электросчетчиков – DC/DC модули – DC/DC преобразователи с широким входным диапазоном – LDO с широким входным диапазоном
• Battery Power Solutions for Gas/Water Meters – Ultra-Low Iq LDOs – Ultra-Low Iq Buck & Buck-Boost Converters
• AC/DC Power Solutions for Electricity e-Meters – Capacitor Drop – Non-Isolated Step-Down Controllers – Isolated Flyback Controllers – New ACDC Converter Solutions
Блок-схема источника питания Inputs
AC/DC
Off-Line
Flyback
DC/DC
Loads
Modules
DSP & FPGA
Logic
Protection
DC/DC Converter
MSP430 & Stellaris
Motor & Relay
5V USB
Hot Swap
Controller & NEXFET
Data Converter
LCD/LED Display
Battery
Power Switch
LDO
Op Amp
Sensor
Battery Management
Isolated Converter
Memory
Interface
(AC)
Bus (12/24/48V)
Charger
DC/DC преобразователи для систем измерения N L
-
+
Disconnect Relays
Flyback Controller
System DC/DC
Особенности применения промышленного DC-DC преобразователя Высокие входные напряжения • Высокие входные напряжения связанные с переходными процессами в двигателях и реле • Шины питания 24В и более Малые токи покоя и большое время жизни при батарейном питании • Большинство малопотребляющих решений используют контроллеры MSP430, Stellaris, и Sitara Источник питания для FPGA / DSP и микроконтроллеров • Новые процессоры могут требовать прецизионного напряжения • Важна последовательность включения Прецизионные системы измерения • Малый шум и высокий PSRR Малые габариты • Высокая степень интеграции • Уменньшение внешних компонентов Гальваническая Развяка и защита схемы • Устраниение земляной петли • безопасность
PCB Density
Performance
Выбор типа преобразователя
8
Controller or Converter
Controller
Module
Converter
Ease of Use
Flexibility
PCB Density
Performance
Выбор типа преобразователя
9
Module
Ease of Use
Flexibility
Power Modules LMZ13610 / LMZ23610
10A
Output Current (IOUT)
8A
6A
new
LMZ13608 / LMZ23608
Production
LMZ12008 / LMZ22008 TPS84620 / TPS84621 TPS84610 LMZ23605
5A
LMZ22005
LMZ10505
4A
LMZ12010 / LMZ22010
TPS84410 LMZ10504 LMZ23603 LMZ22003 TPS84320
3A
LMZ12003 LMZ10503
LMZ14203 (0.8-6V and 5-24Vout Versions)
TPS84210
TPS84250 (2.5A) LMZ12002
2A
LMZ14202 (0.8-6V and 5-24Vout Versions)
1A
LMZ12001 LMZ10500 / LMZ10501 2.95V
4.5V 5.5V 6V
LMZ14201 (0.8-6V and 5-24Vout Versions) 14V
Input Voltage (VIN)
20V
24V
36V 42V 50V
TPS84k & LMZ Power Modules A Great Combination!
If your customer’s application is … Communications, Servers Lead with TPS84k Products
Industrial, Medical Lead with LMZ Modules
Low Profile, High Efficiency
Wide Vin, 3A – 60A
11
TI’s Power Module Step-Down Portfolio TPS84k TPS84k IPS IPS Modules Modules •• Frequency Sync Frequency Sync & & Adj Adj •• Integrated Integrated Compensation Compensation •• Remote Remote Sense, Sense, PG, PG, INH INH •• Adj Adj UVLO, UVLO, Soft Soft Start Start •• QFN QFN Package Package
LMZ LMZ SIMPLE SIMPLE SWITCHER® SWITCHER® Modules Modules •• Precision Precision Enable Enable (LMZ1/2) (LMZ1/2) •• Soft Soft Start Start (LMZ1/2) (LMZ1/2) •• Frequency Frequency Sync Sync (LMZ2) (LMZ2) •• Current Current Sharing Sharing (8/10A (8/10A versions) versions) up to 60A (LMZ2) up to 60A (LMZ2) •• Leaded Leaded PMOD PMOD package package
PTH08T2xx PTH08T2xx “T2” “T2” Modules Modules •• Position for higher Position for higher current current solutions solutions (16A, (16A, 30A, 30A, 50A+) 50A+) TM Sequencing •• Auto-Track Auto-Track TM Sequencing •• Frequency Frequency Sync Sync TM •• TurboTrans TurboTrans TM •• Remote Remote Sense, Sense, EN, EN, Adj Adj UVLO, UVLO, Soft Soft Start Start •• Current Current Sharing Sharing (50A (50A version) version)
LMZ23608/10 6 to 36V Input, Step-Down Simple Switcher Module w/ Current Sharing
• Easy Design – Saves Board Space • Ideal for DSP and FPGA Core Voltages • Simple Current Sharing for Higher Current Applications • Low EMI Noise for Sensitive Applications • Simple Layout and Manufacturing • Peak Efficiency of 92%
Integrated Shielded Inductor 0.8V to 6V Output Capability Current Sharing up to 60A Meets Class B CISPR22 EMI standard Single Exposed Pad Switching frequency of 350 to 600kHz
TO-PMOD 11 9.9°°C/W ΘJA
Powering FPGAs and various point of loads from the 12V and 24V input rails Low-noise and/or space-constrained apps Time critical projects Device EVM/Tool
• LMZ23608EVAL • LMZ23610EVAL • Webench Tool
Io
LMZ2360 8A 8 LMZ2361 10 0 CompatibleAfor Scalability Pin
• • Pin to Pin with LMZ220xx, LMZ120xx, and LMZ136xx Families
LMZ13608/10 6 to 36V Input, Step-Down Simple Switcher Module • • • • •
Integrated Shielded Inductor 0.8V to 6V Output Capability Meets Class B CISPR22 EMI standard Single Exposed Pad Switching frequency of 350kHz
Easy Design – Saves Board Space Ideal for DSP and FPGA Core Voltages Low EMI Noise for Sensitive Applications Simple Layout and Manufacturing Peak Efficiency of 92%
TO-PMOD11 9.9°°C/W ΘJA
Powering FPGAs and various point of loads from the 12V and 24V input rails Low-noise and/or space-constrained apps Time critical projects Device EVM/Tool
• LMZ13608EVAL • LMZ13610EVAL • Webench Tool
Io
LMZ1360 8A 8 LMZ1361 10 0 CompatibleAfor Scalability Pin
• • Pin to Pin with LMZ220xx, LMZ120xx, and LMZ236xx Families
LMZ23603/05 6 to 36V Input, Step-Down Simple Switcher Module w/ Frequency Sync
Integrated Shielded Inductor 0.8V to 6V Output Capability Meets Class B CISPR22 EMI standard Single Exposed Pad Frequency Sync Input from 650 to 950kHz
• • • • • •
Easy Design – Saves Board Space Ideal for DSP and FPGA Core Voltages Low EMI Noise for Sensitive Applications Simple Layout and Manufacturing Eliminates Beat Noise Peak Efficiency of 92%
Powering FPGAs and various point of loads from the 12V and 24V input rails Low-noise and/or space-constrained apps Time critical projects Device EVM/Tool
• LMZ23603EVAL • LMZ23605EVAL • Webench Tool
TO-PMOD7 12°°C/W ΘJA
Io
LMZ2360 3A 3 LMZ2360 5A 5 Compatible for Scalability Pin
• • Pin to Pin with LMZ2200x Family
LMZ14201/2/3 6V to 42V Input, Step-Down Simple Switchers Module
• Integrated Shielded Inductor • 0.8V to 6V Output Capability • Meets Class B EN55022 Radiated Emissions • Single Exposed Pad • Adjustable Frequency from 200kHz to 1MHz
• Space Constrained Embedded Systems and Industrial Control • Noise Sensitive Transceiver and Medical Equipment EVM/Tool
• LMZ14201EVAL • LMZ14202EVAL • LMZ14203EVAL • Webench Tool
• Easy Design – Saves Board Space • Ideal for DSP and FPGA Core Voltages • Reduces EMI Noise for Sensitive Applications • Simple Layout and Manufacturing • Supports Low Duty Cycles or Smaller Solution Size TO-PMOD7 20°°C/W ΘJA
Device
Io
LMZ142 01 LMZ142
1 A 2
02 LMZ142 A 3 03 A Pin Compatible for Scalability
• • Pin to Pin with 20V LMZ1200x Family • -55°C operation EXT version available
TPS84250 7V-50V Input, 2.5A Non-Synchronous Buck, Integrated Power Solution
• Integrated Inductor and Passives Encapsulated on Lead Frame • Easy to Mount 9 x 11 x 2.8mm BQFN package delivers up to 30W Solution • 92% Peak Efficiency • Adjustable Frequency, Soft Start, & UVLO with Track, Clock and PG pins • Meets Class B Radiated Emissions
• Simple Design Procedure – Only 5 External Components Required • Small Integrated Inductor Solution; Allows Back Side PCB Mounting • Low Power Dissipation with tbd°C/W ӨJA • Provides the Design Flexibility of a Discrete Solution • Low EMI for Sensitive Applications •2.5V to 15Vo
• Automated Test and Medical Equipment • Industrial Controls • High Density Power Systems
•7V to 50VIN
Smaller & Better Performance vs previous generation 3A wide input module (PTN78060W) Great Thermal Performance
Tiny Size
No Derating for ≤ 36Vin 5Vout @ 85ºC, Natural Convection
TPS84250
9 mm
PTNxx060
15.75 mm
TPS84250 •75% Reduction in Area •93% Reduction in Volume
High Efficiency Across Wider Vin TPS84250 Efficiency Vin
TPS84250 ≤36 Vin 50 Vin
Vout = 5V
PTN78060 Efficiency
11 mm 25.27 mm
Vo = 5V PTN78060
TPS84250
PTN78060 @ 32Vin PTN78060 @ 32Vin
9.57 mm 2.8 mm
18
TPS84k Power Module Portfolio • Integrated inductor and passives on lead frame • As few as 3 external components • Easy to use QFN package with 260°C reflow • Low package thermal resistance delivers full current at Ta=85°C Part Number
Vin (V)
TPS84210 TPS84410
Iout (A)
Vout (V)
2 2.95 - 6
4
ΘJ/A
Fsw (kHz)
12 0.8 to 3.6
12
500 – 2000
TPS84610
6
TPS84320
3
0.8 to 5.5
13
330 – 780
6
1.2 to 5.5
13
480 – 780
6
0.6 to 5.5
13
250 – 780
TPS84620
4.5 – 14.5
TPS84621
Package (QFN)
9 x 11 x 2.8mm
12
TPS84A20
4.5 – 17
10
0.6 to 5.5
TBD
200-2000 (180° Out-of-Phase)
TPS84250
7 - 50
2.5
2.5 to 15
14
400 - 1000
9 x 15 x 2.8mm
10 x 10 x 4.3mm
Samples
RTM
Now
Now
Now
Now
Now
Now
Now
Now
Now
Now
Now
Now
Sept 2012
Nov 2012
Now
Now
Now
Now
9 x 11 x 2.8mm
TPS84259
4.5 - 40
2
-3 to -17
14
500 or 800
All devices have: EN, PG, Adj. UVLO, Adj. Soft Start, Track, and Sync (CLK) pin, except TPS84259, which doesn’t have Track or PG
Sept 2012
DC/DC преобразователи с встроенным FET и широким диапазоном входных напряжений
Controller or Converter
PCB Density
Performance
Выбор типа преобразователя
21
Converter
Ease of Use
Flexibility
FET DC/DC преобразователи с о встроенным FET Step-Down Converters > 42V Input
Synchronous
Non-Sync LM5576
3A
Output Current (IOUT)
2.5A
TPS54260 LM5005
1.5A
LM5575 TPS54160
1A
LM5574 LM5010A
0.5A
TPS54060 LM5007
350mA
LM5008A
150mA
LM5009A
50mA
TPS54062 3.5V
4.5V
5.5V
6.0V
Input Voltage (VIN)
36V
42V
60V
75V
100V
LM5009A and LM5009 100V, 150mA COT Buck Switching Regulator 6V (LM5009A) or 9.5V (LM5009) to 95V Operating Input Voltage Range 150mA Continuous Output Current Fixed 300mA Current Limit No Loop Compensation Required Constant-on Time with Voltage Feed Forward Integrated 100V N-channel Buck Switch Adjustable Output Voltage From 2.5V Internal Start-up Regulator Ultra-fast Transient Response Package: MSOP-8 and LLP-8 4x4
Minimal external components reduces overall BOM cost Wide Vin range accommodates a large number of applications No compensation due to Constant On Time control
6V - 95V Input VIN
VIN
VCC
LM5009A
C1 RT
BST
GND RT/SD
L1 VOUT D1
SHUTDOWN
RFB2
RCL
EVM PART # LM5009EVAL/LM5009AEVAL
C4
SW
RCL
Non-Isolated Telecom Buck Regulator 42V Automotive Systems Secondary High Voltage Post Regulator
C3
RTN
FB
R3 C2
RFB1
GND
LM5006 80V, 650mA Synchronous COT Buck Regulator Input Operating Voltage Range: 6V to 75V 650mA Output Current Integrated 80V High-side FET Integrated Low-side Gate Drive Output No External Loop Compensation Integrated Input Under Voltage Detection Circuitry Ultra Fast Transient Response Output Voltage Adjustable From 2.5V Precision Internal Reference, ±2.5% Package: MSOP10
Power Meter/Smart Meter High-Voltage Buck Regulator Non-Isolated Telecom Buck Regulator High-Density Multi-Rail Power Supply EVM PART # LM5006EVAL
LG Output allows for use in synchronous rectification mode and multi-output mode Minimal external components for small solution size
Applications: LM5006 Multi-output Isolated Regulator for Power Meters
Product Configuration
Application Need •
Regulator with multiple outputs to reduce solution cost of 3-phase power meter
•
≥75Vin max essential because of instability of Chinese power grid
•
Wide Vin range allows flexibility with AC transformer selection
•
Under-voltage detection circuit to alert MCU to initiate shutdown routine
TI Product Benefits •
Synchronous rectification and continuous conduction mode operation
•
Replace inductor with transformer for multioutput mode
•
Wide Vin range allows flexibility with AC transformer selection
•
Integrated input under-voltage indicator
•
No loop compensation – fewer components
25
LM5008A/LM5008 100V, 350mA COT Buck Switching Regulators Operating Input Voltage Range: 6V (LM5008A) or 9.5V (LM5008) to 95V Fixed 350mA Current Limit Integrated 100V N-channel Buck Switch Constant-on control with voltage feed forward No Loop Compensation Required Adjustable Output Voltage From 2.5V Internal Start-up Regulator Ultra-fast Transient Response Package: MSOP-8 and LLP-8 4x4
Minimal external components reduces overall BOM cost Wide Vin range accommodates a large number of applications No compensation due to Constant On Time control Greater than 90% efficient at full load 6V - 95V Input VIN
VIN
VCC
LM5008A
C1 RT
BST
GND RT/SD
L1 VOUT D1
SHUTDOWN
RFB2
RCL
EVM PART # LM5008EVAL/LM5008AEVAL
C4
SW
RCL
Non-Isolated Telecom Buck Regulator 42V Automotive Systems Secondary High Voltage Post Regulator
C3
RTN
FB
R3 C2
RFB1
GND
TPS54062
SWIFTTM
4.7V to 60V Input, 50mA Synchronous Step-Down SWIFTTM Converter • Fully Synchronous with Integrated 1.5/0.8Ω Power MOSFETs • 100kHz to 400kHz Adjustable Frequency • 0.8V Reference with 2% Accuracy Over -40°C to +150°C Operating Tj • 89uA Operating Quiescent and 1.7uA Shutdown Current
• High Efficiency with More than 20mm2 Board Space Savings. No External Diode Needed • Synchronizes to Clock to Reduce Noise • 25°C More Thermal Headroom than Similar Integrated Synchronous Competitors • Improves Light Load Efficiency for Longer Battery Life
TPS54062
• Industrial Process Control, Metering, Security Systems • 4-20mA Current Loop Powered Sensors • Low Power Standby or Bias Voltage Supply • High Voltage Linear Regulator Replacement TPS54062EVM-695 SwitcherProTM
8 pin MSOP
TPS54062 Powering 4-20mA Sensors • ADCIN determines how 2-Wire Current Loop Application ~3.5mA budget much current (Iout) to sink: 0% = 4mA (must be <4mA) Synchronous Buck Converter 100% = 20mA
Vin
• High efficiency, low Iq synchronous buck converter allows more current than a linear to meet current budget Faster micro-controller speeds Additional circuitry • Fixed / Synchronizable frequency of TPS54062 (CLK pin) helps reduce noise to analog circuitry
EN
VIN
+
PH
∩∩∩∩
Vout
RT/CLK
TPS54062
Vloop to sensors
VIN (V+) VCC ADCIN
Base
-
Emitter
Iout
IIN
IOUT XTR115
4-20mA CurrentLoop Transmitter
DACOUT
MSP430
Micro-Controller
LM5576 6 to 75V Input 3-A Step-Down DC/DC Converter • Emulated Current Mode Control Topology • Integrated 170 mΩ High Side MOSFET • 50 kHz to 500kHz Frequency • Master or Slave Frequency Synchronization • Output Voltage Adjustable to 1.225V
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Vout Support with 2% Accuracy over Temp
• Medical, Automotive, & Power Over Ethernet Applications • 24V and 48V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM5576EVAL •Webench Software
20 pin TSSOP Automotive Grade: LM5576Q
LM5575 6 to 75V Input 1.5-A Step-Down DC/DC Converter • Emulated Current Mode Control Topology • Integrated 330 mΩ High Side MOSFET • 50 kHz to 500kHz Frequency • Master or Slave Frequency Synchronization • Output Voltage Adjustable to 1.225V
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Vout Support with 2% Accuracy over Temp
• Medical, Automotive, & Power Over Ethernet Applications • 24V and 48V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM5575EVAL •Webench Software
16 pin TSSOP Automotive Grade: LM5575Q
LM5574 6 to 75V Input 0.5-A Step-Down DC/DC Converter • Emulated Current Mode Control Topology • Integrated 750 mΩ High Side MOSFET • 50 kHz to 500kHz Frequency • Master or Slave Frequency Synchronization • Output Voltage Adjustable to 1.225V
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Vout Support with 2% Accuracy over Temp
• Medical, Automotive, & Power Over Ethernet Applications • 24V and 48V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM5574EVAL •Webench Software
16 pin TSSOP Automotive Grade: LM5574Q
LM5010A and LM5010/LM25010 75V, 1A COT Buck Switching Regulators 6V (LM5010A) or 8V (LM5010) to 75V Operating Input Voltage Range (LM25010 up to 42V) 1A Continuous Output Current Fixed 1.25A Current Limit Typical COT Control with Voltage Feed Forward No Loop Compensation Required Integrated 75V N-channel Buck Switch Adjustable Output Voltage From 2.5V Internal Start-up Regulator Ultra-fast Transient Response Package: LLP10 and TSSOP14 EP
Non-Isolated Telecom Buck Regulator 42V Automotive Systems Secondary High Voltage Post Regulator EVM PART # LM5010EVAL/LM5010AEVAL
Minimal external components reduces overall BOM cost Wide Vin range accommodates a large number of applications No compensation due to Constant On Time control Greater than 90% efficiency at full load
LM5007/LM25007 80V, 500mA COT Buck Switching Regulator 9V to 75V Operating Input Voltage Range (LM25007 up to 42V) 500mA continuous Output Current Fixed Current Limit of 725mA Typical Integrated 80V N-channel Buck Switch Constant-on Time Control with Voltage Feed Forward No Loop Compensation Required Adjustable Output Voltage From 2.5V Internal Start-up Regulator Ultra-fast Transient Response Package: MSOP8, LLP 8 4x4
Smart Metering Applications Non-Isolated Telecom Buck Regulator 42V Automotive Systems Secondary High Voltage Post Regulator EVM PART # LM5007EVAL
Minimal external components reduces overall BOM cost Wide Vin range accommodates a large number of applications No compensation due to Constant On Time control Greater than 90% efficient at full load
LM5005/LM25005 75V, 2.5A Buck Switching Regulator 7V to 75V Operating Input Voltage Range (LM25005 up to 42V) Integrated 75V N-channel Buck Switch 2.5A Output Current Emulated Current Mode control Adjustable Output Voltage From 1.225V Internal Start-up Regulator Fast Transient Response FSW programmable from 50kHz to 500kHz Frequency synchronization input Package: TSSOP 20 EP (exposed pad)
Non-Isolated Telecom Buck Regulator 42V Automotive Systems High Voltage Secondary Side Post Regulator EVM PART # LM5005EVAL
Achieves very small duty cycle to convert from high input voltage to low output voltage Single stage high voltage conversions improve efficiency, cost and reduce board space
Applications: LM5007 and LM5005 High Voltage DC-DC Conversion for Power Meters
Application Need •
China power meter intermediate bus supply
•
Power grid instability requires wider input range
•
Low cost transformer requires wider input range
•
GPRS module requires 3.3V from high voltage bus
TI Product Benefits •
9V to 75V range allows flexibility with AC transformer selection
•
No loop compensation (LM5007) – fewer components
•
Emulated current mode (LM5005) ideal for high Vin conversion with high output current
Product Configuration
SWIFTTM
TPS54260 3.5V to 60V Input 2.5-A Step Down SWIFT™ DC-DC Converter
• Integrated 200mΩ High Side MOSFET • Pulse Skipping Eco-ModeTM with 138uA Operating and 1.3uA Shutdown Current • 100 kHz to 2.5 MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start Time • PG, Enable, and Track Pin • GSM/GPRS Module for Security Systems, Fleet Tracking, Remote Vending, Inventory Management • 12/24/48V Industrial Systems TOOLS
• TPS54260EVM-597 • SwitcherProTM Software
• Greater than 90% Peak Efficiency • High Light Load Efficiency: Greater than 60% Efficiency at 10mA • Low Duty Cycle or Smaller L&C Sizing • Eliminates Beat Noise • Reduces Inrush Currents • Implement Various Sequencing Schemes
60Vin Devices Device
Io
Package
TPS54260
2.5A
10MSOP & 3x3mm SON
TPS54160
1.5A
10MSOP
TPS54060
0.5A
10MSOP & 3x3mm SON Pin to pin compatible
Vo: 0.8V to 57V
Automotive Qual available
Tools for TPS54160 Family Split Rail Positive and Negative Vout Design • • • •
Split rail design provides +/-18V at 100mA with 24Vinput TPS54060EVM-590 is available and orderable Application note is on the web Positive and Negative Output Voltage Split Rail Calculator for SWIFT DC/DC Converters excel spreadsheet is available on the web. See SWIFTPOSNEG-CALC • Ideal for powering Bipolar Amplifiers. Use with TPS7A3001 -36V, 200mA negative output LDO and TPS7A49 +36V/150mA positive voltage LDO
Performance
Выбор типа преобразователя
PCB Density
Controller
38
Ease of Use
Flexibility
DC/DC преобразователи с интегрированным FET Step-Down Converters ≤ 42V Input TPS5450
5A
LM25576
3A
Synchronous
TPS5430
Output Current (IOUT)
Non-Sync
2.5A
TPS54240 LM3102 LM22680
2A
LM25011 LM25575
1.5A
TPS54140 LM3100 LM22672
1A
LM25010 LM3103
0.75A
LM25007 LM25574
0.5A LM22674 TPS54040 3.5V
4.5V
5.5V
6.0V
Input Voltage (VIN)
36V
42V
60V
75V
100V
SimpleSwitcher®
LM3102
4.5V to 42V Input, 2.5-A Synchronous Step-Down Converter
• • • •
Integrated 180/110mΩ MOSFETs Constant On-Time Control Scheme Uses Very Low ESR Ceramic Caps Adjustable Switching Frequency up to 1000kHz • 1.5% Reference Accuracy (0.8V) • Discontinuous Mode Operation
• Embedded Systems and Industrial Control • Automotive Telematics and Body Electronics • Point of Load Regulators • Storage Systems and Broadband Infrastructure EVM/Tool
• LM3102EVAL • Webench Tool
• • • •
High Efficiency and Space Savings No Loop Compensation Components Fast Transient Response Time Optimize for Small Size or Efficiency; Remains fairly Constant Over Line Variations • Powers DSP / FPGA Core • High Light Load Efficiency 20 pin HTSSOP
SimpleSwitcher®
LM3100
4.5V to 36V Input, 1.5-A Synchronous Step-Down Converter
• • • •
Integrated 180/110mΩ MOSFETs Constant On-Time Control Scheme Uses Very Low ESR Ceramic Caps Adjustable Switching Frequency up to 1000kHz • 1.5% Reference Accuracy (0.8V) • DCM Operation
• • • •
No Diode Needed – Saves Space No Loop Compensation Components Fast Transient Response Time Optimize for Small Size or Efficiency; Remains fairly Constant Over Line Variations • Powers DSP / FPGA Core • High Light Load Efficiency
• Embedded Systems and Industrial Control • Automotive Telematics and Body Electronics • Point of Load Regulators • Storage Systems and Broadband Infrastructure EVM/Tool
• LM3100EVAL • Webench Tool
20 pin HTSSOP
SimpleSwitcher®
LM3103
4.5V to 42V Input, 0.75-A Synchronous Step-Down Converter
• • • •
Integrated 370/220mΩ MOSFETs Constant On-Time Control Scheme Uses Very Low ESR Ceramic Caps Adjustable Switching Frequency up to 1000kHz • 1.5% Reference Accuracy (0.8V) • DCM Operation
• Embedded Systems and Industrial Control • Automotive Telematics and Body Electronics • Point of Load Regulators • Storage Systems and Broadband Infrastructure EVM/Tool
• LM3103EVAL • Webench Tool
• • • •
No Diode Needed – Saves Space No Loop Compensation Components Fast Transient Response Time Optimize for Small Size or Efficiency; Remains fairly Constant Over Line Variations • Powers DSP / FPGA Core • High Light Load Efficiency 16 pin HTSSOP
SWIFTTM
TPS54240 3.5V to 42V Input 2.5-A Step Down SWIFT™ DC-DC Converter
• Greater than 90% Peak Efficiency • High Light Load Efficiency: Greater than 60% Efficiency at 10mA • Low Duty Cycle & Freq. Band Avoidance • Eliminates Beat Noise • Reduces Inrush Currents • Implement Various Sequencing Schemes
• Integrated 200mΩ High Side MOSFET • Pulse Skipping Eco-ModeTM with 138uA Operating and 1.3uA Shutdown Current • 100 kHz to 2.5 MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start Time • PG, Enable, and Track Pin
GSM/GPRS Module for Security Systems, Fleet Tracking, Remote Vending, Inventory Management 12/24V Industrial Power Systems
TOOLS
TPS54240EVM SwitcherProTM Software
0.8V to 39Vo
P/N
Vin
Iout
TPS54040
3.5 – 42V
0.5A
TPS54140
3.5 – 42V
1.5A
TPS54240
3.5 – 42V
2.5A
Pin compatible 10MSOP Packages
Automotive Qual available
Tools for TPS54240 Family Universal Car Charger for USB devices • Application note SLVA464A shows DC/DC converter and 5V USB 2.0/3.0 current limit switch for Blackberry, Android, Apple or other devices • Meets UL 2089 and ANSI/SAEJ563 form factor requirement • Provides 5V/2.1A output to meet BC1.2 charging specification with TPS2540A • TPS54240 DC/DC converter survives required 40V transient pulses • App note shows optional FET/Zener clamping circuit to support lower Vin converters • See reference design PMP5951 for Gerber files
TPS54240
TPS2450A
LM25011A and LM25011 42V, 2A COT Buck with Adjustable Current Limit 6V to 42V Input Voltage Range Current Limit Adjustable to 2A Switching Frequency Adjustable to 2MHz No Loop Compensation Required Output Voltage Adjustable From 2.51V Power Good Output Ultra Fast Transient Response LM25011A: Low Dropout Operation For Higher Duty Cycles Package: MSOP10
High switching frequency allows for small form factor solution size 2MHz switching frequency avoids radio interference Adjustable current limit allows for optimal inductor size and cost 6V to 42V Input BST
VIN CIN
RT
Off-battery Automotive Infotainment and Telematics Systems USB Power Supply Smart Meters/Power Meters EVM PART # LM25011MY-EVAL
L1
SW D1
RT VPGD Power Good
CBST
LM25011
VOUT
CS PGD
RS CSG
CSS
SS SGND
COUT RFB2
FB RFB1
SimpleSwitcher®
LM25576
6 to 42V Input, 3-A Step-Down DC/DC Converter • No Loop Compensation with Emulated Current Mode Control Topology • Integrated 170 mΩ High Side MOSFET • 50 kHz to 1MHz Frequency • Master or Slave Frequency Synchronization • 1.5% Vref Accuracy (1.225V)
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Output Voltage Support
• Medical & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM25576EVAL •Webench Software
Automotive Grade: LM25576Q
20 Pin HTSSOP
SimpleSwitcher®
LM25575
6 to 42V Input, 1.5-A Step-Down DC/DC Converter • No Loop Compensation with Emulated Current Mode Control Topology • Integrated 330 mΩ High Side MOSFET • 50 kHz to 1MHz Frequency • Master or Slave Frequency Synchronization • 1.5% Vref Accuracy (1.225V)
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Output Voltage Support
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM25575EVAL •Webench Software
Automotive Grade: LM25575Q
16 Pin HTSSOP
SimpleSwitcher®
LM22680
4.5 to 42V Input, 2-A Step-Down DC/DC Converter • Integrated 200 mΩ High Side MOSFET • 500kHz Frequency - Adjustable from 200 kHz to 1MHz • Synchronize to a Master Clock • 2% Vref Accuracy (1.285V) • Internally Compensated Voltage Mode Control
• • • • •
Greater than 90% Efficient at Full Load Optimize Power Supply for Size or Efficiency. 500kHz Configuration Reduces Components Reduces Electro Magnetic Interference Low Output Voltage Support Excellent Line and Load Regulation with Reduced External Component Count
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM22680EVAL •Webench Software
Automotive Grade: LM22680Q
8 Pin HSOIC
SimpleSwitcher®
LM22675
4.5 to 42V Input, 1-A Step-Down DC/DC Converter • • • •
Integrated 200 mΩ High Side MOSFET 500kHz Frequency 1.5% Vref Accuracy (1.285V) Internally Compensated Voltage Mode Control is Stable with Ceramic Caps • Precision Enable Pin
• • • • •
Greater than 90% Efficient at Full Load Minimized External Component Count Low Output Voltage Support Reduced External Component Count with Space Savings Allows Simple Sequencing with a Resistor Divider from another Power Supply
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
8 Pin HSOIC- 5V Fixed Vout Version Available
•LM22675EVAL •Webench Software
Automotive Grade: LM22675Q
SimpleSwitcher®
LM25574
6 to 42V Input, 0.5-A Step-Down DC/DC Converter • Easy Loop Compensation with Emulated Current Mode Control Topology • Integrated 750 mΩ High Side MOSFET • 50 kHz to 1MHz Frequency • Master or Slave Frequency Synchronization • 1.5% Vref Accuracy (1.225V)
• • • • •
Fast Transient Response with Low Output Voltage & Duty Cycle Support High Efficiency at Full Load Current Optimize Power Supply for Size or Efficiency Reduces Electro Magnetic Interference in Noise Sensitive Applications Low Output Voltage Support
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
•LM25574EVAL •Webench Software
Automotive Grade: LM25574Q
16 Pin HTSSOP
SimpleSwitcher®
LM22672
4.5 to 42V Input, 1-A Step-Down DC/DC Converter • Integrated 200 mΩ High Side MOSFET • 500kHz Frequency - Adjustable from 200 kHz to 1MHz • 1.5% Vref Accuracy (1.285V) • Internally Compensated Voltage Mode Control is Stable with Ceramic Caps • Precision Enable Pin
• • • • •
Greater than 90% Efficient at Full Load Optimize Power Supply for Size or Efficiency. 500kHz Configuration Reduces Components Low Output Voltage Support Reduced External Component Count with Space Savings Allows Simple Sequencing with a Resistor Divider from another Power Supply
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
8 Pin HSOIC
•LM22672EVAL •Webench Software
Automotive Grade: LM22672Q
5V Fixed Vout Version Available
SimpleSwitcher®
LM22674
4.5 to 42V Input, 0.5-A Step-Down DC/DC Converter • • • •
Integrated 200 mΩ High Side MOSFET 500kHz Frequency 1.5% Vref Accuracy (1.285V) Internally Compensated Voltage Mode Control is Stable with Ceramic Caps • Precision Enable Pin
• • • • •
Greater than 90% Efficient at Full Load Minimized External Component Count Low Output Voltage Support Reduced External Component Count with Space Savings Allows Simple Sequencing with a Resistor Divider from another Power Supply
• Industrial & Automotive Applications • Metering and Smart Grid Applications • 24V Distributed Power Systems that Suffer Line Transients • Automotive Qualified Version Available EVM/Tool
8 Pin HSOIC- 5V Fixed Vout Version Available
•LM22674EVAL •Webench Software
Automotive Grade: LM22674Q
SWIFTTM
TPS5410/20/30/50 5.5 to 36V Input Step Down DC/DC Converters • • • • • • •
Integrated 110mΩ N-channel MOSFET Fixed 500kHz Switching Frequency Output Voltage to 1.23V with 2% accuracy Internal Slow Start Circuit Internal Compensation Enable Pin Only 18uA Shutdown Quiescent Current
• • • • • • •
High Efficiency Up to 95% Small Output Inductor & Capacitor Good Performance over Temperature Limits Start-up Inrush Current Reduced External Components Easy On/Off Control Low Power Consumption when Switched Off
INPUT
VOUT PH
VIN
TPS5430 TPS54x0
• Industrial: Point-of-load regulation for 3.3/5V • Battery Charging off 9-24V AC/DC Wall Bricks • Distributed Power Systems off 12/24V Bus
BOOT
ENA
P/N
TPS5450EVM-254 TPS5430EVM-173 TPS5420EVM-175 TPS5410EVM-203 SwitcherPro Software Tool
Io (A)
Package
TPS5450
5
8 HSOIC
TPS5430
3
8 HSOIC
TPS5420
2
8 SOIC
TPS5410
1
8 SOIC
VSENSE GND
Automotive Qual available Automotive Qual available
2.5A High Voltage DC/DC Converter Positioning LM3102 Reduced Components Count • Integrated Low Side FET • No Compensation Needed High Efficiency • Synchronous Rectification
Parameter
TPS54240
LM25576
LM3102
LM25005
VIN
3.5V to 42V
7V to 42V
4.5V to 42V
7V to 42V
IOUT
2.5A
3A
2.5A
2.5A
Non-Sync
Non-Sync
Synchronous
Non-Sync
Current Mode
Emulated Current Mode
Constant On-Time
Emulated Current Mode
100 to 2500
50 to 500
Up to 1000
50 to 500
200 mΩ
160 mΩ
180/110 mΩ
160mΩ
Iq shutdown
1.3uA
60uA
25uA
50uA
Iq operating
138uA
5mA
700uA
3mA
0.8V @ 2%
1.225V @ 1.5%
0.8V @ 2%
1.225V @ 1.5%
Yes
No
Yes (DCM)
No
Package
10MSOP
20HTSSOP
20HTSSOP 28uBGA
TSSOP-20
LM25576 • Low duty cycle capability • Enhanced thermal performance
Features
Adj. UVLO, Adj. SS, Track, Sync, PG, Enable
Sync, Enable, Adj. SS
Enable, Adj. SS
Sync, Enable, Adj. SS
LM25005 • Low duty cycle capability
Topology Control Type Fsw (kHz) Rds(on)
Vref over Temp Light Load Eff.
TPS54240 Battery Powered Applications • Light load efficiency • Low operating/shutdown current
1.5A High Voltage DC/DC Converter Positioning Parameter
TPS54140
LM25575
LM3100
LM25010
VIN
3.5V to 42V
7V to 42V
4.5V to 36V
6V to 42V
IOUT
1.5A
1.5A
1.5A
1A
Non-Sync
Non-Sync
Synchronous
Non-Sync
Current Mode
Current Mode
Constant On-Time
Constant OnTime
100 to 2500
50 to 500
Up to 1000
50 to 500
200 mΩ
160 mΩ
180/110 mΩ
350mΩ
Iq shutdown
1.3uA
60uA
17uA
90uA
Iq operating
116uA
5mA
700uA
645uA
Vref over Temp
0.8V @ 2%
1.225V @ 1.5%
0.8V @ 2%
2.5V @ 2%
Yes
No
No
No
Package
10MSOP
20HTSSOP
20HTSSOP
TSSOP-14
Features
Adj. UVLO, Adj. SS, Track, Sync, PG, Enable
Sync, Enable, Adj. SS
Topology Control Type Fsw (kHz) Rds(on)
Light Load Eff.
Enable, Adj. SS
Enable, Adj. SS
LM3100 Reduced Components Count • Integrated Low Side FET • No Compensation Needed High Efficiency • Synchronous Rectification TPS54140 Battery Powered Applications • Light load efficiency • Low operating/shutdown current LM25575 • Low duty cycle capability • Enhanced thermal performance LM25010 • No loop compensation • Fast transient response
0.5A, High Voltage DC/DC Converter Positioning Parameter
TPS54040
LM25574
LM22674
LM25007
VIN
3.5V to 42V
6V to 42V
4.5V to 42V
9V to 42V
IOUT
0.5A
0.5A
0.5A
0.5A
Non-Sync
Non-Sync
Non-Sync
Non-Sync
Control Type
Current Mode
Current Mode
Voltage Mode
Constant OnTime
Compensati on
External
External
Internal
None
100 to 2500
50 to 500
500
50 to 800
200 mΩ
750 mΩ
200mΩ
740mΩ
Iq shutdown
1.3uA
57uA
25uA
70uA
Iq operating
116uA
3.7mA
3.4mA
500uA
0.8V @ 2%
1.225V @ 1.5%
1.285V @ 2%
2.5V @ 2%
Yes
No
No
No
Package
10MSOP
16HTSSOP
8SOIC
LLP-8, 8MSOP
Features
Adj. UVLO, Adj. SS, Track, Sync, PG, Enable
Sync, Enable, Adj. SS
Enable
Enable
Topology
Fsw (kHz) Rds(on)
Vref over Temp Light Load Eff.
LM3102 Reduced Components Count • Internal Compensation TPS54240 Battery Powered Applications • Light load efficiency • Low operating/shutdown current LM25574 • Low duty cycle capability • Enhanced thermal performance LM25007 • No loop compensation necessary • Fast transient response
LDO c широким дапазоном входных напряжений и малым током потребления
LDO с широким диапазоном входных напряжений Когда малый шум и малая цена важны • Малый IQ и широкий диапазон Vin? TPS715xx (3.2uA, 24V, 50mA) TPS715Axx (3.2uA, 24V, 80mA)
• Малый IQ, широкий диапазон Vin при малой цене? TLV704xx (3.6uA, 24V, 150mA)
• Ультранизкое напряжени при малой цене? TLV712 (0.7Vout, 300mA)
• Выходной Ток1.5A при малой цене? TPS7A45 (20V, 1.5A)
58
Таблица LDO c широким диапазоном входных напряжений Part Number Vin Range TPS709
IOUT
Iq
IQ
no load
Sht Down
Drop Out
Package
3 – 30V
150mA
1µA
0.1µA
650mV
SOT23 – 5
2.5 – 24V
80mA
3.2µA
NA
670mV
QFN – 6/8
TPS7A16xx
3 – 60V
100mA
5 µA
1µA
60mV
MSOP – 8
TPS7A40xx
7 – 100V
50mA
25 µA
4.1µA
1300mV
SOT 223 MSOP 8
LM2936HV
4 – 60V
50mA
12uA
NA
200mV
TO252, SOT223 SO8, MSOP8, TO92
5.35 – 70V
150mA
25uA
NA
150mV
TO263, SO8
TPS715A
LM9076
59
TPS715xx 24V, 50mA Ultra Low IQ LDO • • • • •
Low Cost Ultra-Low IQ – 3.2uA typ VIN Range 2.5 – 24V Stable with > 0.47µF Ceramic Output Cap Small 2x2mm DCK (SC-70) Package
• • • • •
Cost sensitive application Power Sensitive Applications Applications requiring high VIN & Low Power Small Solution Size Small industry standard package - 45% smaller the SOT-23 package
DCK (SC70-5) 2mm x 2mm
• • • •
TI MSP430 Attach Applications E-Metering Portable electronics powered from 9V battery Smoke Detectors
FB/NC
VOUT
GND
VIN
NC
Device
VIN
IOUT
VDO
IQ
Package
TPS715xx
2.5 – 24
80mA
415mV
3.2uA
DCK
TPS715Axx 24V, 80mA Ultra Low IQ LDO • • • • •
• • • •
Ultra-Low IQ – 3.2uA typ VIN Range 2.5 – 24V Stable with > 0.47µF Ceramic Output Cap Small 2X2mm DRV (SON 6) Package Small 3x3mm DRB (SON8) Package
• • • • •
Power Sensitive Applications Applications requiring high VIN & Low Power Small Solution Size 45% smaller the SON 8 (DRB) package Enhanced thermal performance
TI MSP430 Attach Applications E-Metering Portable electronics powered from 9V battery Smoke Detectors Device TPS715Axx
VIN
IOUT
VDO
IQ
Package
2.5 – 24
80mA
670mV
3.2uA
DRB, DRV
TLV704xx 24VIN, 150mA Ultra Low IQ LDO
PK (SOT89) 4.5mm x 4mm VIN
Device
VIN
IOUT
VDO
IQ
ESD
Package
TLV704xx
2.5 – 24V
150mA
75mV typ @ 10mA
3.2uA
HBM 2KV CDM 500V
DBV, PK
E-meter LDO Competitive Analysis Device
Min Max Vin Iq (25° C) Vin (V) (V) (µ µA)
Accuracy (%)
Vdo @ 10mA
Iout
TLV704 – TI
2.5
24
3.6 max
2
85mV
100mA
HT71xx
??
24
5 max
3
1000mV
30mA
HT75xx
??
24
20 max
5
1000mV
100mA
S812C
??
16
1.8 max
2
320mV
75mA
TLV712 & TLV712P 300mA, Low IQ, Low Output LDO • • • •
• • • •
Very Low Dropout: 260mV at 300mA 2% Accuracy over full temperature range Low IQ of 31uA Available in Fixed-Output Voltages from 0.7 to 1.15V High PSRR: 75dB at 100Hz Stable with effective capacitance of 0.1µF Thermal Shutdown & Over current protection Without or with active pull-down Industry standard SOT23 package
• • • • •
• • •
Output current to support higher power requirements Stable output over full operating temperature Ideal for portable, battery powered applications Flexible solution for cost effective RF/Audio applications Enables usage of smaller & less expensive caps IC protection for safe operation Flexible and Cost effective for very price sensitive applications TLV712xx
DBV DDC (SOT23) 3mm x 3mm VIN
• • •
FPGA Attach, Microcontroller attach Consumer Electronics, Portables TVs, monitors, displays
VOUT
GND EN
NC
Device
VIN
IOUT
VDO
IQ
Package
TLV712xx
2.0 – 5.5 V (6V max)
300mA
260mV @ 300mA
35uA
DBV
TPS7A45xx 20V, 1.5A Low Noise Fast Transient LDO • • • • •
Wide Vin Range 1.21 – 20V Optimized for Fast Transient Response Dropout Voltage: 300mV Low Noise: 35µVRMS (10Hz to 100kHz) Stable with 10µF Ceramic Output Capacitor
• • • •
Automotive, Telecom and Industrial applications Quick response to changes in line/load conditions. Increased runtime in battery powered applications Reduced system size and cost KTT (DDPAK) 10mm x 15mm
GND
DCQ (SOT 223) 6.5mm x 7mm GND
• 3.3V to 2.5V logic Power Supplies • Post Regulation for Switching Supplies • Telecom, Industrial
VIN
IOUT
VOUT (V)
(mA)
IQ
VDO
TPS7A4501
1.21 – 20
1.5
1.21 – 19
1
300
TPS7A45xx
1.21 – 20
1.5
1.5,1.8,2.5,3.3
1
300
Device
(V)
(A)
(mV)
Системы с батарейным питанием
MCU
Батарейное Электропитание LDO с малым Iq Преобразователи с малым потреблением
LDO с сверхнизким Iq
LDO с сверхнизким Iq Когда критично время жизни от батарей • Сверхнизкий IQ? TPS782xx / TPS783xx (0.5uA, 150mA)
• Низкий IQ с програмируемы выходом? TPS780xx (0.5uA, 150mA)
• Низкий IQ с PG выводом? TPS797xx (1.2uA, 50mA)
• Сверзнизкий Vout при малой цене? TLV712xx (0.7Vout, 300mA)
• Сверхнизкий Iq и широкий диапазон Vin при малой цене? TLV704xx (24V, 150mA, 3.2uA) Note 1: In Development
Low IQ Part Selection Part #
IQ no Load
IQ Shutdown
Vin Range
IOUT
PSRR @1kHz
Drop Out
0.42 µA
18nA
2.2 – 5.5V
150mA
15 dB
130mV
TPS715A
3.2µA
NA
2.5 – 24V
80mA
30dB
670mV
TPS7A16xx
5 µA
1 µA
3 – 60V
100mA
50dB
60mV
TPS709xx
1µA
0.1µA
2.5 – 30V
150mA
NA
650mV
TPS797xx
1.2 µA
NA
2.7– 5.5V
50mA
50dB
200mV
TPS727xx
7.9µA
0.12µA
2 – 5.5V
400mA
70dB
100mV
LM2936
12uA
NA
4 - 60V
50mA
NA
200mV
LM9076
25uA
NA
5.35 -70V
150mA
60dB
150mV
LP38690/2
55uA
NA / 0.001uA
2.7 – 10V
1A
45dB
450mV
LP38691/3
55uA
NA / 0.001uA
2.7 – 10V
500mA
45dB
250mV
TPS780/2xx
69
TPS782xx & TPS783XX 150mA Ultra-Low IQ LDO • • • • • • •
• • • •
Ultra-Low IQ: 0.5uA Drop out Voltage: 130mV @ 150mA Stable with 1µF Ceramic Output Capacitor TSOT23-5 Package 2X2mm SON 6 Package TPS782 – with active pull down TPS783 – without active pull down (for use with output super cap storage
• • • • •
Power Sensitive Applications Increased Battery Life Small Solution Size Low Profile industry standard package Thermally Enhanced package 45% smaller the TSOT-23 package Can replace with super cap using TPS783 for temporary energy storage during supply loss VIN
TI MSP430 Attach Applications Wireless Handsets Portable Media Players Battery Operated Devices w/ extended sleep times
1uF
VOUT TPS 78230
3.0V
VCC
1uF
3.6V Battery ON
EN
MSP430 Or Equivalent
GND
VSS
OFF
Device
VIN
IOUT
VDO
IQ
Package
TPS782xx
2.2 – 5.5
150mA
130mV
0.5uA
DDC, DRV
TPS783xx
2.2 – 5.5
150mA
130mV
0.5uA
DDC
TPS780xx Ultra-Low IQ LDO with Dual-Level Outputs • • • • • •
Ultra-Low IQ: 500nA VSET Pin allows VOUT to Toggle Between Two Factory EEPROM Preset Values Drop out Voltage: 130mV @ 150mA Stable with 1µF Ceramic Output Capacitor TSOT23-5 Package 2X2mm SON 6 Package
• •
Power Sensitive Applications Application that require a scalable VOUT
• • • •
Increased Battery Life Small Solution Size Low Profile industry standard package Thermally Enhanced package 45% smaller the TSOT-23
DDC (SOT23) 3mm x 3mm
DRV (SON 6)
`
IN
2mm x 2mm OUT IN
OUT N/C
GND
• • • • •
Power Management - LDO TI MSP430 Attach Applications Wireless Handsets Portable Media Players Battery Operated Devices w/ extended sleep times
GND
VSET/FB EN
VSET/FB
GND EN
(Top View)
Device
VIN
IOUT
VDO
IQ
Package
TPS780xx
2.2 – 5.5V
150mA
130mV
0.5uA
DDC, DRV
TPS797xx 50mA Ultra-Low IQ LDO with Power Good • • • • •
• • • •
Ultra-Low IQ: - 1.2uA Drop out Voltage: 110mV @ 10mA Stable with 1µF Ceramic Output Capacitor Integrated Power Good Function SC-70 Package
• • • • •
Power Sensitive Applications Increased Battery Life Small Solution Size Application requiring sequencing Small industry standard package 45% smaller the SOT-23 package
TI MSP430 Attach Applications Wireless Handsets Portable Media Players Battery Operated Devices w/ extended sleep times Device
VIN
IOUT
VDO
IQ
Package
TPS797xx
1.8 – 5.5V
50mA
110mV
1.2uA
DCK
TLV712 & TLV712P 300mA, Low IQ, Low Output LDO • • • •
• • • •
Very Low Dropout: 260mV at 300mA 2% Accuracy over full temperature range Low IQ of 31uA Available in Fixed-Output Voltages from 0.7 to 1.15V High PSRR: 75dB at 100Hz Stable with effective capacitance of 0.1µF Thermal Shutdown & Over current protection Without or with active pull-down Industry standard SOT23 package
• • • • •
• • •
Output current to support higher power requirements Stable output over full operating temperature Ideal for portable, battery powered applications Flexible solution for cost effective RF/Audio applications Enables usage of smaller & less expensive caps IC protection for safe operation Flexible and Cost effective for very price sensitive applications TLV712xx
DBV DDC (SOT23) 3mm x 3mm VIN
• • •
FPGA Attach, Microcontroller attach Consumer Electronics, Portables TVs, monitors, displays
to RTM: 0.9V
VOUT
GND EN
NC
Device
VIN
IOUT
VDO
IQ
Package
TLV712xx
2.0 – 5.5 V (6V max)
300mA
260mV @ 300mA
35uA
DBV
DC/DC преобразователи с сверхнизким потребление
Buck-Boost converter Device
Vin
Isw
Vout
L-C
Package
Feature
TPS63000
1.8 - 5.5V
1.6A
1.2 -5.5V 3.3V, 5.0V
2.2uH/10uF
3x3 QFN
Sync, Power Save Mode select
TPS63010
2 - 5.5V
2A
1.2 - 5.5V 2.8, 2.9V, 3.3, 3.4V
1.5uH/10uF
2.14x1.93 12 pin WCSP
Sync, Power Save Mode select Output voltage select pin
TPS63030
1.8 - 5.5V
0.9A
1.2 -5.5V 3.3V
1.5uH/10uF
2.5x2.5 QFN
Sync, Power Save Mode select
TPS63020
1.8 - 5.5V
3.5A
1.2 -5.5V 3.3V
1.5uH/22uF
3x4 QFN
Sync, Power Save Mode select
TPS63060
2.5 - 12V
2A
2.5 -8V
1.5uH/66uF
3x3 QFN
Sync, Power Save Mode select
New
75
TPS63030: 95% Efficient, 1A Switch, single inductor, Buck-Boost Converter Efficiency: 95% over wide Vin range (max) Input Voltage: 1.8 V to 5.5 V Output Voltage: 1.2 V to 5.5 V Output current Switch: 1 A Iout > 800 mA in Buck mode @ 3.3 V Iout > 500 mA in Boost mode @ 3.3 V Package: 2.5x2.5 QFN 41-µA Quiescent Current Over-Temperature Protection
2-Cell and 3-Cell Alkaline, NiCd or NiMH, or one Cell Li-Ion or Li-Poly Cellular Phones / Smartphones DSC, Camcorder Personal Medical Products Portable Audio Players Industrial Metering Equipment
Small size, requires only 1.5 µH Low input voltage 1.8 V (for 2-cell Alkaline) Highest efficiency over wide VIN No efficiency drop during VIN=VOUT conversion phase Supports DVS via FB-pin
TPS63000
EVM
96% Efficient, single inductor, Buck/Boost Converter • Input Voltage: 1.9-V to 5.5V • Output Voltage: 1.2V to 5.5V, 3.3V, 5.0V • Output current Switch: 1.7A – up to 1200mA output current in Buck configuration @ 3.3V – up to 800mA output current in Boost configuration @ 3.3V • Efficiency: 96% over wide Vin range (max) • Package: 3x3 QFN • Automatic Transition between Step Down and Boost Mode • Device Quiescent Current less than 25-µA • Power Save Mode for Improved Efficiency at Low Output Power • Forced fixed Frequency Operation possible • Load Disconnect During Shutdown • Over-Temperature Protection
•
2-Cell and 3-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products
•
Digital Media Players
•
PDAs
•
Cellular Phones / Smartphones
•
DSC, Camcorder
•
Personal Medical Products
•
Industrial Metering Equipment
small Inductor
low Vin !
• Smallest solution size, requires only 2.2uH Inductor • Supports input voltages as low as 1.8V (for 2-cell Alkaline) • Highest efficiency over wide input range
unique Efficiency performance 77
TPS63020 Small, efficient & easy to use • Key specs – Vin: 1.8V to 5.5V – Vout: 1.2V to 5.5V – Typical quiescent current 30µA – 3A output at 3.3V in step-down mode (Vin = 3.6V to 5.5V)
– More than 2A output at 3.3V in boost mode (Vin >2.5V) – Dynamic input current limit – Power Save Mode
100 mm2 total solution size (height: 1mm) mm HPA487
mm
– Smart Power Good (PG) increases system reliability
TPS63020EVM-487 78
TPS63020 New Features Dynamic Current Limit
Smart Power Good
• Monitors Current Amplifier • If Vin < 2.3V Dynamic Input Current Limit is activated.
– PG goes low if current is limited
• Monitors Temperature Control – PG goes low if junction temperature goes above maximum recommended 79
New! !
TPS63060, TPS63061 12V input voltage, 93% Efficient, 2.25A ISW limit, single inductor, Buck-Boost Converter • Input Voltage: 2.5 V to 12 V
• Optimized for Dual cell Li-Ion batteries with extended input voltage range and 3x-6x cell alkaline batteries.
− 2 A output current at 5V in step down mode (Vin=5.3V to 10V)
•
− 1.3 A output current at 5V in boost mode (Vin > 4V)
• Automatic Transition between Step Down and Boost Mode
• No droop in efficiency during the buck-boost trasition where Vin=Vout
• Power Save Mode at Low Output Power with Iq<40uA
• Enables longer battery life with higher than 85% efficiency when operating at light loads
• 2.4MHz switching frequency, externally synchronizable (+/- 20 %)
• High switching frequencies allows the use of a small 1uH inductor
• Load disconnect during shutdown
• Eliminates parasitic drain from battery when the converter is disabled
• Power Good
• Provides the earliest possible indication of potential fault in Vout regulation
• 10pin QFN, 3x3mm, max 0.8 mm high
• Total solution size < 150mm2
• • • • • • •
Dual Li-Ion cell battery powered applications Industrial Metering Equipment. SLR cameras DCS and Camcorders Notebook computers Ultra Mobile PC’s Personal Medical products.
TPS63060EVM-619
TPS63061 - 5V fixed Vout
Off-Line AC/DC Solutions N L
-
+
Disconnect Relays
Flyback Controller
Off-line AC/DC Solutions Capacitor Drop Solutions Non-isolated Step-Down Controller Solutions Isolated Flyback Controller Solutions New AC/DC Converter Definition
System DC/DC
Capacitive-Drop Power Supply Traditional Iin 4
LINE 470n, 630V
560E
Input 230V AC
1 D2 6V
Iout
U1A TPS71533DCKR IN NC1
C2 220uF/50V
OUT GND
D1 1N4007
R1
2
C1
NC3
5
VCC
3 C3 10uF/10V
NEUTRAL
Output 3.3V DC GND
Iout = Iin •
Advantages over SMPS – – – –
•
Disadvantages – – –
•
Smaller, Lower Cost, and Lower EMI Cap prevents catastrophic failure of the system due to issue on mains Typically uses lower cost half-wave rectification Zener adds voltage surge protection Poor efficiency Limited to low power, light load applications (sub 1W) LDO output current may be too low for AMR or 3-Phase meters if total power restricted
Product Suggestions –
TPS715X, TLV704X
Cap Drop New Switching Solution for Higher Iout L1 1
VCC
2
33uH C7 0.1uF
LINE
C1
R8
U1
D3 1N4007
240nF 560E /630V D2 39V
R1 1.5M C2 220uF 100V
C3 2.2uF /50V
230V AC
C4 2.2uF /50V R2 56k
C5 0.01uF
1 2 3 4 5
D1 B160
TPS5401DGQ
BOOT VIN EN SS/TR RT/CLK
PH GND COMP VSNS PWRGD PAD
C6 10uF /16V
R5 51
3.3V DC
10 9 8 7 6
R6 10k
C8 680pF
R3 162k
C9 12p R4 46.4k
R7 3.16k
NEUTRAL
GND
230VAC Capacitive Drop Power Supply
Maximum Output Current with Linear Regulator
Maximum Output Current with TPS5401
Maximum Output Current with TPS54060
Self Consumption Limited to 4VA
8mA
>25mA
>45mA
Self Consumption Limited to 8VA
16mA
>50mA
>90mA
Product Suggestions
Single Phase e-Meter: TPS715, TLV704 Single Phase AMR: TPS5401, TPS54040 Single Phase AMI & 3 Phase AMR: TPS54060
Cost Comparison with SMPS Device
Cap-Drop Cost ($)
SMPS Cost ($)
1N4007
0.01
0.04
R2
0.02
0.02
Cs
0.10
0
L1
0.06
0.06
Cap
0.06
0.12
Output Cap
0.06
0.06
R
0.01
0.02
Zener
0.03
0.03
Shky Diode
0.02
0.02
Decaps
0.02
0.08
UF diode
0
0.03
Opto
0
0.10
Transformer
0
0.24
IC
0.28
0.28
Total
0.67
1.10 100K Unit Pricing
TPS5401 3.5-V to 42-V Input 0.5-A Non-synchronous Buck Converter With Light Load Efficiency • • • • • • • • • • • •
3.5-V to 42-V Input Voltage Range 200-mΩ High-Side MOSFET 0.8V Internal Voltage Reference 3.5% Reference Voltage Accuracy High Efficiency at Light Loads with a PulseSkipping Eco-mode Control Scheme 116-µA Operating Quiescent Current 1.3-µA Shutdown Current 100-kHz to 2.5-MHz Switching Frequency Synchronizes to External Clock Adjustable Slow Start/Sequencing UV and OV Power Good Output MSOP 10 pin with PowerPAD Package
• 12-V and 24-V Industrial and Commercial Low-Power Systems • E-Meters
• Low Cost for E-Meter Application • High Efficiency to Replace the Linear Regulator • Wide Input Voltage Range for Unregulated Input Source
Integrated vs Discrete Power FET Commonalities • • • • • • • •
EMI input filter Input bridge rectifier Input bulk capacitance Flyback transformer Flyback Topologies Primary snubber clamp Opto-isolator feedback Output rectifier & noise filter choke 95% of the circuit looks the same
• There are pros, cons and applications for each
Non-Isolated Step-Down Controller
Typical Non-Isolated Buck Controller Circuit
•
Highlights – –
•
Lowlights –
•
No transformer & fewer components High frequency allows for smaller inductors Does not provide isolation from AC mains
Product Suggestions –
TPS6420X Family
TPS64200 Family
EVM
3A Step-Down Controller in SOT-23 • • • • • • •
1.8V to 6.5V input voltage range Up to 3A output current (FET dependent) 95% efficiency 20-µA (typ) quiescent current, 0.1-µA shutdown SOT-23 package Adjustable output voltage range from 1.2V to Vin Softstart limits in-rush current
• Suitable for applications requiring o/p current between TPS6204x (1.2A) and TPS543xx (3A) • Conserves battery capacity • Enables small, cost-efficient solutions
Drives FETs up to 3A
3x3 mm2 SOT-23-6
• 1-cell Li-Ion, 2- to 4-cell alkaline powered applications: PDA, Smartphones, Industrial handhelds • Point-of-Load regulation from 5-V and 3.3-V rail • Hard disk drives Options: TPS64200(ADJ.), TPS64201(ADJ.), TPS64202(ADJ.), TPS64203(ADJ.)
Small Inductor
Isolated Power PWM Controllers Low-to-Medium Power (<300W) Device
Description
Gate Drive
Freq Max (kHz)
PWM Modes
Comments
UCC28600
8-pin Quasi-Resonant Green Mode PWM
UCC28610
Cascode Green Mode PWM
Cascode
130
Flyback
LM2585/6/7/8
SIMPLE SWITCHER 3-Amp Flyback Regulator
Integrated FET
100
Integrated 3A, 65V NPN Switch
UCC24610
Synchronous Rectifier Controller
1.5A/3A
600
Secondary side SR Controller + Driver
LM5025/A/B/C LM5026
Active Clamp Forward
3A/1A 3A/1A
1000 1000
V C
LM5027/A
Active Clamp Forward
2A/1A
1000
V
UCC2897A
Active Clamp Forward
2A
1000
C
LM5034
Dual Interleaved Active Clamp Forward
2.5A/ 1.5A
1000
C
Flyback
SR Control + 3A SR Driver
UCC28600 8-pin Quasi-Resonant Green Mode PWM Controller Full green mode capability in 8-pins Multi-mode operation provides advanced energy saving capability Enables no-load power consumption <150mW Advanced current limit protection Cycle by cycle power limit Over-current hiccup restart mode
Programmable Overvoltage Protection Low frequency (40Khz) Burst Mode for better efficiencies at light and no-load operation +1ATrueDrive gate drive output
AC/DC adapters Bias supplies for LCD monitors, LCD TVs and PDP TVs Energy efficient power supplies up to 200W
Valley switching provides high efficiency and low EMI Green Mode Status pin disables PFC during light load for energy savings Green Mode tool simplifies design and component selection
UCC28610 Cascoded Green Mode PWM Controller • Frequency and Peak Current Modulation
•
85%+ efficiency at full load and Optimized Efficiency Over Entire Load Range
• Green-Mode Burst Switching Packet
•
Industry’s leading125mW Power Consumption at No Load, Over 200% Lower than Energy Star Requirements
•
30% Physically Smaller PS design Lowering System Cost, Eliminates Over Design!
•
Better Line Surge Raggedness than Internal HV FET
•
Smaller Size and Lower System Cost
• Advanced Overcurrent Protection • Cascoded MOSFET Configuration • 30% Fewer External Components
• • • • • •
AC/DC Adaptors Gaming Notebook and Printer Adaptors LCD TV and Monitors Set Top Box Appliance Power Supplies Bias Supplies
•UCC28610EVM-474
TOOLS
1ku pricing $0.75 91
LM2585/6/7/8 Boost/Flyback/Sepic SIMPLE SWITCHER® Regulators Wide input voltage range from 4V to 40V NPN output switches support 3A (LM2585/6) or 5A (LM2587/8) and can stand off 65V Current-mode operation for improved transient response, line regulation, and current limit Frequencies of 100kHz or synchronized up to 200kHz (LM2586/8 only) Internal soft-start function reduces in-rush current during start-up Output transistor protected by current limit, under voltage lockout, and thermal shutdown Available in both TO-220 and TO-263 packaging
Flyback regulator Forward converter Multiple-output regulator Simple boost regulator LM2587EVAL
LM2585: $3.17 (1ku) LM2586: $3.27 (1ku) LM2587: $4.17 (1ku) LM2588: $4.50 (1ku)
Incredibly flexible with wide Vin range Easy to configure for multiple applications Integrated FET for easy PCB layout Fully WEBENCH® enabled
UCC24610 Green Synchronous Rectifier Controller & Driver Secondary-side SR controller optimized for 5V systems Up to 600kHz operating frequency Direct VDS MOSFET sensing Micro-power sleep current for 90+ designs Automatic Light Load Management Sync wakeup from Sleep Mode & Light-load modes DCM & CrCM and CCM operation Sync pin interface for High dI/dt applications Wide supply voltage range (6V max) +1.5/-3A gate drive capability 20-ns typical turn off propagation delay Small 8-pin SOIC and PVSON packages
AC-DC Adapters Computer Power Supplies Entry Level Servers Digital TVs •UCC24610EVM-693
TOOLS •UCC24610EVM-563
1ku pricing $0.75
LM5025A/B/C Active Clamp Voltage Mode PWM controller Internal 100V Start-up Regulator Voltage mode Control w/ Feed-Forward Programmable Overlap or Dead-time between the Main and Active Clamp Output Programmable Volt*Second Limiting Resistor Programmed 1MHz Oscillator Programmable Line UVLO Maximum Duty Cycle Options: LM5025A-85%, LM5027B-71%, LM5025C-90% VCC Regulator Output Current:LM5025A-20mA, LM5025B-20mA, LM5025C-40mA TSSOP16, LLP-16 (5x5mm)
Isolated DC-DC Converter Modules Telecom, Data communication systems Automotive and Industrial power supplies Distributed power systems •LM5025EVA/NOPB
TOOLS 1ku pricing $1.30
Higher efficiency and greater power density than a traditional catch winding forward converter Independent programmable dead-times allows the maximum flexibility to improve efficiency A fixed oscillator ramp greatly reduces noise susceptibility No slope compensation required
LM5026 Active Clamp Current Mode PWM controller Internal 100V Start-up Regulator Current mode Control
Higher efficiency and greater power density than a traditional catch winding forward converter Independent programmable dead-times allows the maximum flexibility to improve efficiency Single Pole System, easy to compensate the control loop Inherent line feed-forward
Programmable Overlap or Dead-time between the Main and Active Clamp Output Programmable Maximum Duty Cycle Clamp Resistor Programmed 1MHz Oscillator Programmable Line UVLO Programmable Soft-start Versatile Dual Mode Over-Current Protection with hiccup delay timer TSSOP16, LLP-16 (5x5mm)
VOUT 3.3V T1
VIN 36 - 78V
Q4 CS
Cc Q3 Q2
Isolated DC-DC Converter Modules Telecom, Data communication systems Automotive and Industrial power supplies Distributed power systems
VCC
LM5026
UVLO OUT_A DCL RES REF TIME
OUT_B COMP SYNC
Rt
SS PGND AGND
• LM5026EVAL/NOPB
TOOLS SYNC I/O
1ku pricing $1.30
Q1 CS
Vin
REF
ERROR AMP & ISOLATION
LM5027/LM5027A Active Clamp Controller with Sync Rectifier Driver Internal 105V Start-up Regulator Programmable dead-times for all three driver outputs Programmable Volt*Second Limiting Linear Start-up into Pre-biased Loads Voltage mode Control w/ Feed-Forward Resistor Programmed 1MHz Oscillator Programmable Line UVLO Maximum Duty Cycle Options: LM5027-90%, LM5027A-75% eTSSOP20, LLP-24 (4x5mm)
Isolated DC-DC Converter Modules Telecom, Data communication systems Automotive and Industrial power supplies Distributed power systems
Higher efficiency and greater power density than a traditional catch winding forward converter Three independent programmable dead-times allows the maximum flexibility to improve efficiency Synchronous rectifier drive output to eliminate reverse current when starting up into a pre-biased loads
VIN
VOUT
CS
LM5027
Vin RAMP
OUTB
UVLO
OUTSR
TIME3
COMP
REF
SSSR
OTP
TIME2
RT
• LM5027MH-EVAL/NOPB
TOOLS 1ku pricing $1.75
VCC OUTA
RES
TIME1
SS
AGND
PGND
ERROR AMP & ISOLATION
UCC2897A Current Mode Active Clamp Controller • • • • • • •
Ideal for Active Clamp/Reset Forward, Flyback and Synchronous Rectifier Apps Complimentary AUX Driver Programmable dead time between AUX and MAIN Peak Current Mode Control Cycle by Cycle current limit Hiccup Mode Current Limit Bi-Directional Sync
Isolated DC-DC Converter Modules Telecom, Data communication systems Automotive and Industrial power supplies Distributed power systems
•UCC2897AEVM
TOOLS
1ku pricing $1.20
•
• • • • • •
TrueDrive™ 2A Sink and Source outputs with Lowest Gate Drive Jitter in the Industry (20ns30ns)! Shutdown mode implements Soft Stop Integrated Direct 120V Startup Circuit Accurate Line UV and Line OV protection Programmable Slope Compensation Synchronizable 1 MHz oscillator Programmable Maximum Duty Cycle
UCC2897A Evaluation Board FEATURES • • • • • • • • • • •
Input voltage: 36V to 75V Output voltage: 3.3V Output current: 30A Output power: 100W Switching frequency: 250kHz Typical Peak Efficiency: 93% Typical Efficiency at full load: 91% Regulation to zero load Soft start and soft stop Cycle-by-cycle OCP or hiccup OCP Input under voltage protection
LM5034 Dual Interleaved Current Mode PWM Controller Two independent Current Mode Controllers Single Interleaved or Dual Outputs Internal 100V Start-up Regulator
Flexible for designing either single interleaved or dual output power converters Higher efficiency and greater power density than a traditional catch winding forward converter Independent programmable dead-times allows the maximum flexibility to improve efficiency Single Pole System, easy to compensate the control loop
Current mode Control Programmable Overlap or Dead time between the Main and Active Clamp Output Programmable Maximum Duty Cycle Clamp Resistor Programmed 2MHz Oscillator Programmable Line UVLO Programmable Independent Soft-start TSSOP-20
Vcc
36V to 75V Input
VPWR VIN
LM5034 UVLO RES Sync
Isolated DC-DC Converter Modules Telecom, Data communication systems Automotive and Industrial power supplies Distributed power systems • LM5034EVAL
TOOLS 1ku pricing $1.90
RT DCL VCC1 VCC2
CS1 OUT1 AC1
COMP1
CS2 OUT2
SS1 SS2 OVLP GND1 GND2
AC2 COMP2
ERROR AMP & ISOLATION
3.3V
Вопросы?
