TAS5421EVM audio amplifier eval board for eCall, telematics, instrument cluster and infotainment


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The TAS5421EVM showcases the latest TI analog input class D closed-loop mono amplifier. The EVM can be used as stand-alone platform with default I2C register settings. The EVM also works with USB2IIC-2 board and TAS5421-Q1 GUI for programming I2C register settings.

  • Mono audio for automotive emergency call (eCall) application
  • Running without I2C initialization
  • GUI control via USB port
  • Passed EMC CISPR 25, class 5
Speaker amps
TAS5421-Q1 Automotive, 22-W, 1-ch, 4.5- to 18-V analog input class-D audio amplifier w/ I2C diag, load dump

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Evaluation board

TAS5421EVM – TAS5421EVM audio amplifier board for eCall, telematics, instrument cluster and infotainment evaluation

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

Technical documentation

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Type Title Date
More literature TAS5421EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
User guide TAS5421EVM User's Guide Jul. 09, 2014

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