SNOU196 may   2023 LM74703-Q1 , LM74704-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Setup
      1. 2.1.1 I/O Connectors, Jumper and Test Points Description
      2. 2.1.2 Board Setup
    2. 2.2 Operation
      1. 2.2.1 Startup
      2. 2.2.2 FET Status Detection Test
  8. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 PCB Drawings
    3. 3.3 Bill of Materials
  9. 4Additional Information
    1.     Trademarks

1.4 Device Information

The LM74703-Q1, LM74704-Q1 is an auto-midotive AEC Q100 qualified diode controller which operates in conjunction with an external N-channel MOSFET as an excellent diode rectifier for low loss reverse polarity protection with a 20-mV forward voltage drop. The wide supply input range of 3.2 V to 65 V allows control of many popular DC bus voltages such as 12-V, 24-V and 48-V automotive battery systems. The 3.2-V input voltage support is particularly an excellent choice for severe cold crank requirements in automotive systems. The device can withstand and protect the loads from negative supply voltages down to –65 V.