TPS2120 evaluation module for priority power multiplexer applications


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The TPS212x EVM is an evaluation module for TI's TPS212x family of two-input, one-output power multiplexers. This device automatically detects, selects, and seamlessly transitions between two power supplies, each operating from 2.7 V to 22 V. The TPS2121 device, the VSON hot-rod package, can deliver up to 4 A while the TPS2120, WCSP package, can handle up to 3 A. This user's guide contains the EVM schematics, board layout, list of materials, and necessary instructions on how to properly operate the EVM.

  • Adjustable Overvoltage Protection
  • Adjustable Priority Voltage Input
  • Adjustable Soft Start/Input Settling Time
  • Seamless Switchover between Input Sources
Power muxes
TPS2120 2.8-V to 22-V, 62-mΩ, 3-A, power mux with seamless switchover

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Evaluation board

TPS2120EVM-042 – TPS2120 evaluation module for priority power multiplexer applications

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Technical documentation

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Type Title Date
* User guide TPS212x Evaluation Module User's Guide (Rev. A) Jan. 15, 2019
Data sheet TPS212x 2.8-V to 22-V Priority Power MUX with Seamless Switchover datasheet (Rev. F) Aug. 28, 2020
Certificate TPS2120EVM-042 EU Declaration of Conformity (DoC) Jan. 02, 2019

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