4-Ch Analog Input Class-D Audio Amp EVM w/I2C Diagnostics & Protection for Auto Head Unit
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The TAS5404Q1EVM showcases TI’s cost-optimized 4-Ch Analog Input Class-D Audio Solution for Automotive Head Unit systems. The TAS5404 solution allows automotive customers the easiest transition from Class-AB systems to a smaller, lighter and more efficient Class-D solution at a comparable total system cost.

  • TAS5404 delivers 25W per channel into 4-Ω with a 14.4-V supply and provides 2-Ω speaker driving capabilities to head units with no external amplifiers.
  • TAS5404’s  wide supply voltage capabilities, from 5.6-V to 18-V, makes it ideal for automotive head unit while delivering top-of-the-line performance during start-stop low voltage transient events.
  • TAS5404 integrates I2C diagnostics and protection to match and surpass the highest standards for automotive quality and reliability.
  • TAS5404 CISPR25-L5 compliant EMC performance simplifies system design, lowers development cost and accelerates time-to-market delivery.
  • TAS5404Q1EVM features: Four analog inputs via two 3.5-mm stereo jack connectors, four speaker outputs via an 8-position terminal block and On-board USB-I2C controller for GUI-driven control and integrated diagnostics evaluation.

  • 4-Ch 25-W/Ch 4-Ω with a 14.4-V supply
  • 2-Ω speaker driving capabilities to head units
  • I2C Diagnostics and Protection
  • CISPR25, class 5 Radiated/Conducted Emission compliant
  • Four analog inputs, four speaker outputs and on-board USB-I2C controller

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4-Ch Analog Input Class-D Audio Amp EVM w/I2C Diagnostics & Protection for Auto Head Unit



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Technical Documents
User guides (1)
Title Type Size (KB) Date
PDF 4338 02 Oct 2015
More literature (1)
Title Type Size (KB) Date
PDF 39 02 Jan 2019

TI Devices (2)

Part Number Name Product Family
TAS5404-Q1  26-W Analog Single-Ended Input 4-Ch Class-D Amp w/Load Dump Protection and I2C Diagnostics  Audio amplifiers 
TL760M33-Q1  Automotive Catalog Single Output LDO, 500mA, Fixed(3.3V), Load Dump Protection  Power management 

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