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Texas Instruments DRV5825PEVM Amplifier Evaluation Module (EVM)

Texas Instruments DRV5825PEVM Amplifier Evaluation Module (EVM) showcases the latest TI digital input Class-D closed-loop amplifier for a Piezo application. The Texas Instruments DRV5825P is a digital input Class-D audio amplifier with Smart Piezo Driver Algorithm. The evaluation module can be used as a stand-alone platform with default I2C register settings. The evaluation module also works with PurePath™ Console 3 (PPC3) GUI for programming I2C register settings.

Features

  • Smart Piezo driver algorithm for Piezo applications
  • Runs with I2C initialization
  • GUI control via USB port

Required Equipment

  • DRV5825P evaluation module
  • USB micro Type-B cable
  • Power supply unit (PSU) 5–14A, 12–30VDC
  • Two 2 to 8Ω piezoelectric actuators or resistor loads (ensure the load is appropriately sized for required wattage output) and cables
  • Small screwdriver
  • Desktop or laptop running Microsoft® Windows® 7 or later
  • Audio source
    • Sony/Philips Digital Interface (S/PDIF) source (DVD, audio converter, Audio Precision (AP®))
    • Playback media from Microsoft Windows 7 or later
    • 3mm audio jack analog output

Board Layout

Mechanical Drawing - Texas Instruments DRV5825PEVM Amplifier Evaluation Module (EVM)

Texas Instruments DRV5825PEVM Amplifier Evaluation Module (EVM)