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TPS62901

ACTIVE

3-V to 17-V, 1-A high-efficiency low-IQ buck converter in 1.5-mm × 2-mm QFN package

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Data sheet

TPS62901

ACTIVE
Data sheet Order now

Product details

Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Topology Buck Type Converter Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, Tracking, UVLO adjustable Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000004
Iout (max) (A) 1 Vin (min) (V) 3 Vin (max) (V) 17 Topology Buck Type Converter Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, Tracking, UVLO adjustable Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000004
VQFN-HR (RPJ) 9 3 mm² 2 x 1.5
  • High efficiency for wide duty cycle and load range
    • IQ: 4µA typical
    • Selectable switching frequency of 2.5MHz and 1.0MHz
    • RDS(ON): 62mΩ high side, 22mΩ low side
    • Automatic efficiency enhancement (AEE)
  • Small 1.5mm × 2.0mm VQFN package with 0.5mm pitch
  • Up to 1A continuous output current
  • ±0.9% feedback voltage accuracy across temp (–40°C to 150°C)
  • Configurable output voltage options:
    • VFB external divider: 0.6V to 5.5V
    • VSET internal divider: 16 options between 0.4V and 5.5V
  • DCS-Contro topology with 100% mode
  • Highly flexible and easy to use
    • Optimized pinout for single-layer routing
    • Precise enable input
    • Forced PWM or auto power save mode
    • Power-good output
    • Selectable active output discharge
    • Adjustable soft start and tracking
  • No external bootstrap capacitor required
  • Create a custom design using the TPS62901 using the WEBENCH Power Designer
  • High efficiency for wide duty cycle and load range
    • IQ: 4µA typical
    • Selectable switching frequency of 2.5MHz and 1.0MHz
    • RDS(ON): 62mΩ high side, 22mΩ low side
    • Automatic efficiency enhancement (AEE)
  • Small 1.5mm × 2.0mm VQFN package with 0.5mm pitch
  • Up to 1A continuous output current
  • ±0.9% feedback voltage accuracy across temp (–40°C to 150°C)
  • Configurable output voltage options:
    • VFB external divider: 0.6V to 5.5V
    • VSET internal divider: 16 options between 0.4V and 5.5V
  • DCS-Contro topology with 100% mode
  • Highly flexible and easy to use
    • Optimized pinout for single-layer routing
    • Precise enable input
    • Forced PWM or auto power save mode
    • Power-good output
    • Selectable active output discharge
    • Adjustable soft start and tracking
  • No external bootstrap capacitor required
  • Create a custom design using the TPS62901 using the WEBENCH Power Designer

The TPS62901 is a highly-efficient, small, and flexible synchronous step-down DC-DC converter that is easy to use. A selectable switching frequency of 2.5MHz or 1.0MHz allows the use of small inductors and provides fast transient response. The device supports high VOUT accuracy of ±1% with the DCS-Control topology. The wide input voltage range of 3V to 17V supports a variety of nominal inputs like 12V supply rails, single-cell or multi-cell Li-Ion, and 5V or 3.3V rails.

The TPS62901 can automatically enter power save mode (if auto PFM/PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4µA. AEE, if enabled, provides high efficiency across VIN, VOUT, and load current. The device includes a MODE/S-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

The device is available in small 9-pin VQFN package measuring 1.50mm × 2.00mm with 0.5mm pitch.

The TPS62901 is a highly-efficient, small, and flexible synchronous step-down DC-DC converter that is easy to use. A selectable switching frequency of 2.5MHz or 1.0MHz allows the use of small inductors and provides fast transient response. The device supports high VOUT accuracy of ±1% with the DCS-Control topology. The wide input voltage range of 3V to 17V supports a variety of nominal inputs like 12V supply rails, single-cell or multi-cell Li-Ion, and 5V or 3.3V rails.

The TPS62901 can automatically enter power save mode (if auto PFM/PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4µA. AEE, if enabled, provides high efficiency across VIN, VOUT, and load current. The device includes a MODE/S-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

The device is available in small 9-pin VQFN package measuring 1.50mm × 2.00mm with 0.5mm pitch.
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Technical documentation

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Type Title Date
* Data sheet TPS62901 , 3V to 17V, High Efficiency and Low IQ Buck Converter in 1.5mm × 2mm QFN Package datasheet (Rev. A) PDF | HTML 23 Jan 2024
Application note How to Best Use TPS62903 for a Given Application Requirement PDF | HTML 13 Aug 2021
Application note Comparison of TPS6290x vs. TPS621x0 PDF | HTML 23 Jul 2021
Application brief Multi-Function Pins for Easy Designing PDF | HTML 07 Jul 2021
EVM User's guide TPS6290x Step-Down Converter Evaluation Module User's Guide (Rev. A) PDF | HTML 07 May 2021
Certificate TPS62901EVM-069 EU RoHS Declaration of Conformity (DoC) 15 Dec 2020

Design & development

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

Evaluation board

TPS62901EVM-069 — 17-VIN, 1-A, low IQ buck converter in 1.5-mm x 2-mm QFN package evaluation module

The TPS62901EVM-069 (BSR069-001) evaluation module (EVM) facilitates the evaluation of the TPS62901 1-A buck converter in small 1.5-mm by 2-mm QFN package. The EVM outputs a 3.3-V output voltage from input voltages up to 17 V. The TPS62901 is a high efficiency, low IQ buck converter for use in a (...)
User guide: PDF | HTML
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Simulation model

TPS62901 PSpice Transient Model

SLVMDO8.ZIP (243 KB) - PSpice Model
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Gerber file

BSR069A Gerbers

SNVC242.ZIP (394 KB)
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Package Pins Download
VQFN-HR (RPJ) 9 View options
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