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Texas Instruments LM74800EVM-CD Evaluation Module (EVM)

Texas Instruments LM74800EVM-CD Evaluation Module (EVM) helps designers evaluate the operation and performance of the LM7480-Q1 ideal diode controllers (LM74800QDRR and LM74801QDRR) in reverse battery protection applications. The Texas Instruments LM74800EVM-CD demonstrates how LM7480-Q1 controls two back-back N-channel power MOSFETs with ideal diode MOSFET connected first, followed by the second MOSFET for switched output and power path cut-off.

Features

  • Reverse battery protection
  • Switched output and power path cut-off
  • Over voltage protection
  • Meets automotive transient immunity test requirements
  • Two external N-Channel MOSFETs connected back-back in common drain configuration

Required Equipment

  • Power Supplies
    • One adjustable power supply
      • 0V to 40V output
      • 0A to 10A output current limit
  • Meters
    • One Digital Multimeter minimum needed
  • Loads
    • One resistive load or equivalent which can tolerate up to 10A DC load at 12V
  • Oscilloscope
    • A DPO2024 or equivalent
      • Three 10x voltage probes
      • A DC current probe capable of measuring 10A

Applications

  • Automotive reverse battery protection
  • ADAS domain controller
  • Camera ECU
  • Head unit
  • USB HUBs
  • Power path protection, Power Mux, and ORing

Test Setup

Mechanical Drawing - Texas Instruments LM74800EVM-CD Evaluation Module (EVM)

Texas Instruments LM74800EVM-CD Evaluation Module (EVM)