40-A, 2-phase synchronous buck evaluation module


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The TPS546B24AEVM-2PH evaluation module (EVM) is a 40-A, two-phase buck converter with two TPS546B24A devices. The TPS546B24A device is a stackable synchronous buck with PMBus interface that can operate from a nominal 2.95-V to 18-V supply. The device allows programming and monitoring via the PMBus interface.

  • 2 stacked devices with current sharing
  • Selectable internal compensation
  • PMBus programmable switching frequency from 225 kHz to 1.5 MHz
  • PMBus telemetry of VIN, VOUT, IOUT, and internal die temperature
  • Adaptive voltage scaling (AVS) and margining via PMB
  • Differential remote sense with internal FB divider for <1% total VOUT error from -40 to +150°C TJ
Buck converters (integrated switch)
TPS546A24A 2.95-V to 18-V, stackable 10-A synchronous SWIFT™ buck converter with pin-strapping and PMBus TPS546B24A 2.95-V to 18-V, stackable 20-A synchronous SWIFT™ buck converter with pin-strapping and PMBus
Important note

TPS546B24AEVM is a prototype evaluation module and is available in limited quantities.

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Evaluation board

TPS546B24AEVM-2PH – 40-A, 2-phase synchronous buck evaluation module

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Limit: 3
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide Stacking TPS546B24A Two-Phase Evaluation Module Jul. 30, 2019
Certificate TPS546B24AEVM-1PH EU Declaration of Conformity (DoC) Aug. 06, 2020
Certificate TPS546B24AEVM EU Declaration of Conformity (DoC) Feb. 26, 2020

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