TPS62901

Name: TPS62901
Brand: TI
SKU: TPS62901
Price: 0.55 USD

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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

document-pdfAcrobat TPS62901 , 3V to 17V, High Efficiency and Low IQ Buck Converter in 1.5mm × 2mm QFN Package datasheet (Rev. A) PDF | HTML

TPS62901

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Data sheet

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Product details

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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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Top documentation	Type	Title	Format options	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
	Certificate	TPS62901EVM-069 EU RoHS Declaration of Conformity (DoC)		15 Dec 2020

Design & development

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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 I_Q buck converter for use in a (...)

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