TPS40040EVM-001

5V Input, 1.8V Output, 10A Synchronous Buck Evaluation Module

TPS40040EVM-001

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Overview

The TPS40040EVM-001 evaluation module (EVM) is a synchronous buck converter providing a fixed 1.8 V output at up to 10 A from a 5 V input bus. The EVM is designed to start up from a single supply, so no additional bias voltage is required for startup. The module uses the TPS40040 reduced pin count, low-voltage, synchronous buck controller.

Features
  • 4.5 V to 5.5 V input range
  • 1.8 V fixed output, adjustable with single resistor
  • 10 A dc steady-state output current
  • 300 kHz switching frequency (fixed by TPS40040)
  • Single main switch MOSFET for both main switch and synchronous rectifier
  • Double-sided 2 active layer PCB with all components on top side
  • Active converter area of less than 1.5 in.² (i.e., <1.4 in. x 1.0 in.)
  • Convenient test points for probing switching waveforms and noninvasive loop response testing
Buck controllers (external switch)
TPS40040 2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count TPS40041 2.25 to 5.5 V input, 600 kHz, synchronous buck controller with low pin count

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Evaluation board

TPS40040EVM-001 – 12V Input, 1.8V Output, 10A Synchronous Buck Evaluation Module

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
More literature TPS40040EVM-001 EU Declaration of Conformity (DoC) Jan. 02, 2019
Datasheet Low Pin Count, Low VIN (2.5V to 5.5V Synchronous Buck DC-to-DC Controller datasheet (Rev. D) Dec. 12, 2007
User guide Using the TPS40040-EVM-001 Jan. 29, 2007
User guide A 5-V Input, 1.8-V Output, 6-A Synchronous Buck Converter Apr. 10, 2006

Related design resources

Hardware development

EVALUATION BOARD
TPS40041EVM-001TPS40041 5V Input, 1.8V Output, 6A Evaluation Module

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