TPS62095

ACTIVE

4A Synchronous Step Down Converter with DCS Control

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TPS62865 ACTIVE 2.4-V to 5.5-V input, 4-A synchronous step-down converter in 1.5-mm x 2.5-mm QFN package Next generation of 4-A PoL buck.

Product details

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 4 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Features Enable, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.8 Vout (max) (V) 5.5 Iq (typ) (µA) 20 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 4 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Features Enable, Light load efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.8 Vout (max) (V) 5.5 Iq (typ) (µA) 20 Duty cycle (max) (%) 100
VQFN (RGT) 16 9 mm² 3 x 3
  • DCS-Control™ Topology
  • Pin-to-Pin Compatible with TPS62090
  • Supports 1.2mm Height Total Solution
  • 95% Converter Efficiency
  • 20μA Operating Quiescent Current
  • 2.5V to 5.5V Input Voltage Range
  • Power Save Mode
  • Two Level Short Circuit Protection
  • 100% Duty Cycle for Lowest Dropout
  • Output Discharge Function
  • Adjustable Soft Startup
  • Output Voltage Tracking
  • 0.8V to VIN Adjustable Output Voltage
  • 3mm × 3mm 16-Pin VQFN Package
  • DCS-Control™ Topology
  • Pin-to-Pin Compatible with TPS62090
  • Supports 1.2mm Height Total Solution
  • 95% Converter Efficiency
  • 20μA Operating Quiescent Current
  • 2.5V to 5.5V Input Voltage Range
  • Power Save Mode
  • Two Level Short Circuit Protection
  • 100% Duty Cycle for Lowest Dropout
  • Output Discharge Function
  • Adjustable Soft Startup
  • Output Voltage Tracking
  • 0.8V to VIN Adjustable Output Voltage
  • 3mm × 3mm 16-Pin VQFN Package

The TPS62095 device is a high frequency synchronous step down converter optimized for small solution size, high efficiency and suitable for battery powered applications. To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 1.4MHz and automatically enters Power Save Mode operation at light load currents. When used in distributed power supplies and point of load regulation, the device allows voltage tracking to other voltage rails and tolerates output capacitors up to 150μF and beyond. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation.

The output voltage startup ramp is controlled by the soft startup pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the EN and PG pins. In Power Save Mode, the device operates with typically 20μA quiescent current. Power Save Mode is entered automatically and seamlessly maintaining high efficiency over the entire load current range.

The TPS62095 device is a high frequency synchronous step down converter optimized for small solution size, high efficiency and suitable for battery powered applications. To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 1.4MHz and automatically enters Power Save Mode operation at light load currents. When used in distributed power supplies and point of load regulation, the device allows voltage tracking to other voltage rails and tolerates output capacitors up to 150μF and beyond. Using the DCS-Control topology, the device achieves excellent load transient performance and accurate output voltage regulation.

The output voltage startup ramp is controlled by the soft startup pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the EN and PG pins. In Power Save Mode, the device operates with typically 20μA quiescent current. Power Save Mode is entered automatically and seamlessly maintaining high efficiency over the entire load current range.

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Technical documentation

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Type Title Date
* Data sheet TPS62095 4A, High Efficiency Step Down Converter with DCS-Control™ and Low Profile Solution datasheet (Rev. A) PDF | HTML 22 May 2014
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 May 2022
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Oct 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Oct 2016
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30 Oct 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
EVM User's guide TPS62095EVM-632 User's Guide 22 Apr 2014
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Application note Optimizing the TPS62090 Output Filter 11 May 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

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Evaluation board

TPS62095EVM-632 — 4A Synchronous Step-down Converter Evaluation Module

 

The TPS62095EVM-632 is a fully assembled and tested circuit for evaluating the TPS62095. The TPS62095 is a step-down converter that operates with an input voltage between 2.5 V and 5.5 V, an output voltage of 1.8 V using external resistors, and can deliver up to 4000 mA of continuous current. The (...)

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Simulation model

TPS62095 PSpice Unencrypted Transient Model (Rev. A)

SLVMA88A.ZIP (120 KB) - PSpice Model
Calculation tool

SLVC780 Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
Supported products & hardware

Supported products & hardware

Products
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Power modules (integrated inductor)
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AC/DC & DC/DC converters (integrated FET)
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forced PWM in small SOT563 package TLV62569 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package TLV62569A 2A High Efficiency Step-down Buck Converter with forced PWM in SOT Package TLV62585 2.5V-5.5V input, 3-A high efficiency step-down converter in 2x2 QFN or SOT563 package TPS62000 Adjustable, 600-mA, 95% Efficient Step-Down Converter TPS62000-HT High Temperature High-Efficiency Step-Down Low Power DC-DC Converter TPS62020 Adjustable, 600-mA, 95% Efficient Step-Down Converter, 18uA, MSOP-10 TPS62040 Adjustable, 1.2-A, 95% efficient step-down converter, 18 uA, MSOP-10 and QFN TPS62050 Adjustable, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10 TPS62056 3.3-V Output, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10 TPS62060 3MHz, 1.6A Step-Down Converter in 2x2 SON Package TPS62065 3MHz, 2A Step-Down Converter in 2x2 SON Package TPS62065-Q1 3MHz, 2A Automotive Step-Down Converter in 2x2 SON Package TPS62067 3MHz, 2A Step-Down Converter in 2x2 SON Package TPS62067-Q1 Automotive 3-MHz 2-A step-down converter in 2×2 SON package TPS62080 1.2A High Efficient Step Down Converter in 2x2mm SON Package, with Adjustable Vout TPS62080A 1.2A High Efficient Step Down Converter in 2x2mm SON Package TPS62085 3-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package TPS62088 2.4-V to 5.5-V input, tiny 6-pin 3-A step-down converter in 1.2-mm x 0.8-mm WCSP TPS62090 3A, 6V input, up to 97% efficiency, Synchronous Step Down Converter with DCS™ Control TPS62090-Q1 Automotive: 3A, 2.5 to 6V input, up to 97% efficiency, 3x3 QFN, Step-Down Converter TPS62095 4A Synchronous Step Down Converter with DCS Control TPS62097 2-A Step Down Converter with Selectable Switching Frequency in HotRod package TPS62097-Q1 2A Automotive Step-Down Converter in 3x3 QFN With Wettable Flanks TPS62100 Multimode 300kHz Synchronous Buck Converter with Adjustable Output TPS62110 Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16 TPS62110-EP Enhanced Product 17 V, 1.5 A Synchronous Step-Down Converter TPS62110-HT High Temperature 17-V, 1.5-A, Synchronous Step-Down Converter TPS62110-Q1 Automotive 3V to 17V, 1.5A Buck Converter in QFN-16 package TPS62113 1.5-A, 17-Vin Step-Down Converter with LBI function in QFN-16 TPS62120 15V, 75mA, 96% efficiency Step-Down Converter with DCS-Control TPS62122 15V, 75mA, 96% efficiency Step-Down Converter TPS62125 3V-17V, 300mA Buck Converter With Adjustable Enable Threshold And Hysteresis TPS62130 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package TPS62130A 3-V to 17-V, 3-A step-down converter with DCS-control in 3x3 QFN package TPS62130A-Q1 TPS62130A-Q1 3 to 17-V 3-A Automotive Step-Down Converter in 3 × 3 QFN Package TPS62135 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62136 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62140 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62140A 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62147 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62148 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN TPS62150 3–17V 1A Step-Down Converter with DCS-Control in 3x3 QFN package TPS62150A 3-17V 1A 3MHz Step-Down Converter with DCS-Control in 3x3 QFN Package TPS62150A-Q1 TPS62150A-Q1 3 to 17-V 1-A AUTOMOTIVE Step-Down Converter in 3 × 3 QFN Package TPS62160 3V-17V 1A Step-Down Converters with DCS-Control™ TPS62160-Q1 3V-17V 1A Automotive Step-Down Converters in 2x2SON TPS62170 3–17V 0.5A Step-Down Converter with DCS-Control in 2x2 QFN package TPS62170-Q1 3-17V 0.5A Automotive Step-Down Converter in 2x2 QFN package TPS62175 28V, 0.5A Step-Down Converter with SNOOZE Mode TPS62180 4-V to 15-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start TPS62184 4-V to 17-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start TPS62200 Adjustable, 300-mA, 95% Efficient Step-Down Converter in SOT-23 TPS62220 Adjustable, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23 TPS62240 2.25MHz 300mA Step-Down Converter in 2x2mm SON/TSOT23 Package TPS62250 2.25MHz, 1A Peak Current Limited Step-Down Converter TPS62260 2.25MHz 600mA Step-Down Converter in 2x2mm SON/TSOT23 Package TPS62260-Q1 Automotive 2V to 6V, 2.25MHz Fixed Frequency 600mA Buck Converter in 2x2mm SON/TSOT23 Package TPS62290 2.25MHz 1A Step-Down Converter in 2x2mm SON Package TPS62290-Q1 Automotive 2.3V to 6V, 2.25MHz Fixed Frequency 1A Buck Converter in 2x2mm SON/TSOT23 Package TPS62400 Dual, Adjustable, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN TPS62400-Q1 Automotive Catalog Dual, Adjustable, 400mA & 600mA, 2.25MHz Step-Down Converter w/ 1-Wire Interface TPS62410 2.25MHZ 2x800mA Dual Step-Down Converter with 1-Wire Interface in QFN 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Package Pins CAD symbols, footprints & 3D models
VQFN (RGT) 16 Ultra Librarian

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