TPS62152A-Q1

ACTIVE

3-V to 17-V, 1-A step-down converter with DCS-Control™

TPS62152A-Q1

ACTIVE

Product details

Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Type Converter Switching frequency (min) (kHz) 1250 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Output discharge, Power good, Synchronous Rectification, Tracking, Voltage Margining Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 3.3 Vout (max) (V) 3.3 Rating Automotive Operating temperature range (°C) -40 to 125
Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Type Converter Switching frequency (min) (kHz) 1250 Switching frequency (max) (kHz) 2500 Features Enable, Light Load Efficiency, Output discharge, Power good, Synchronous Rectification, Tracking, Voltage Margining Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 3.3 Vout (max) (V) 3.3 Rating Automotive Operating temperature range (°C) -40 to 125
VQFN (RGT) 16 9 mm² 3 x 3
  • DCS-Control™ topology
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade: –40°C to 125°C operating junction temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Input voltage range: 3 V to 17 V
  • Adjustable output voltage from 0.9 Vto 6 V
  • Pin-Selectable output voltage (nominal, +5%)
  • Programmable soft start and tracking
  • Seamless power save mode transition
  • Quiescent current of 17 µA (typ.)
  • Selectable operating frequency
  • Power good output
  • 100% duty cycle mode
  • Short circuit protection
  • Over temperature protection
  • Pin-to-pin compatible with TPS62130A-Q1
  • Available in a 3-mm × 3-mm, VQFN-16 package
  • Create a custom design using the TPS62150A-Q1 with the WEBENCH® Power Designer
  • DCS-Control™ topology
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade: –40°C to 125°C operating junction temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Input voltage range: 3 V to 17 V
  • Adjustable output voltage from 0.9 Vto 6 V
  • Pin-Selectable output voltage (nominal, +5%)
  • Programmable soft start and tracking
  • Seamless power save mode transition
  • Quiescent current of 17 µA (typ.)
  • Selectable operating frequency
  • Power good output
  • 100% duty cycle mode
  • Short circuit protection
  • Over temperature protection
  • Pin-to-pin compatible with TPS62130A-Q1
  • Available in a 3-mm × 3-mm, VQFN-16 package
  • Create a custom design using the TPS62150A-Q1 with the WEBENCH® Power Designer

The TPS62150A-Q1 device is an easy-to-use synchronous step-down DC-DC converter optimized for applications with high power density. A high switching frequency of typically 2.5 MHz allows the use of small inductors and provides fast transient response as well as high output-voltage accuracy through the use of the DCS-Control™ topology.

With a wide operating input-voltage range of 3 to 17 V, the device is ideally suited for systems powered from intermediate bus power rails. The device supports up to 1A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode).

The output-voltage startup ramp is controlled by the soft-start pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable and open-drain power-good pins.

In power save mode, the device shows quiescent current of about 17 µA from VIN. Power save mode which is entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device is turned off and shutdown current consumption is less than 2 µA. The device is packaged in a 16-pin VQFN package measuring 3 × 3 mm (RGT).

The TPS62150A-Q1 device is an easy-to-use synchronous step-down DC-DC converter optimized for applications with high power density. A high switching frequency of typically 2.5 MHz allows the use of small inductors and provides fast transient response as well as high output-voltage accuracy through the use of the DCS-Control™ topology.

With a wide operating input-voltage range of 3 to 17 V, the device is ideally suited for systems powered from intermediate bus power rails. The device supports up to 1A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode).

The output-voltage startup ramp is controlled by the soft-start pin, which allows operation as either a standalone power supply or in tracking configurations. Power sequencing is also possible by configuring the enable and open-drain power-good pins.

In power save mode, the device shows quiescent current of about 17 µA from VIN. Power save mode which is entered automatically and seamlessly if the load is small, maintains high efficiency over the entire load range. In shutdown mode, the device is turned off and shutdown current consumption is less than 2 µA. The device is packaged in a 16-pin VQFN package measuring 3 × 3 mm (RGT).

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Technical documentation

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Type Title Date
* Data sheet 3-V to 17-V 1-A Step-Down Converter in 3x3 QFN Package datasheet (Rev. D) 17 Feb 2020
Application note Comparison of TPS629xx-Q1 vs. TPS621x0A-Q1 PDF | HTML 13 Dec 2022
Functional safety information TPS6215xA-Q1 Functional Safety FIT Rate and Failure Mode Distribution 27 Jan 2020
Application note TPS62130A Differences to TPS62130 02 Apr 2014

Design & development

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Evaluation board

TPS62150EVM-505 — Evaluation Module for TPS62150 a 1-A, synchronous, step-down converter in a 3x3-mm, 16-pin QFN

  • Related Terms:
    • Synchronous Step Down DC-DC Converter
    • DC to DC Step Down Converter
    • Buck DC DC Converter

The TPS62150EVM-505 (HPA505-003) uses the TPS62150 adjustable version and is set to a 3.3-Voutput. The EVM operates with full-rated performance with an input voltage between 3.7 V and 17 V. (...)

User guide: PDF | HTML
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Package Pins Download
VQFN (RGT) 16 View options

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