石榴姐

Complete front-end automotive reverse polarity protection and series fault protection reference design

PMP10748

Overview

The PMP10748 is a complete automotive front-end protection TIDesign featuring TI's Zero IQ smart diode controller and high-side protection controller. This design utilizes two LM74610-Q1 ICs to drive 40V MOSFETs in an OR-ing configuration to provide reverse polarity protection. The LM74610-Q1 is a high-efficiency, zero-IQ alternative to lossy diode and inefficient PFET solutions, providing reverse polarity protection. The design also provides programmable OVP, UVLO and OCP through the LM5060-Q1 high-side protection controller. With the LM5060-Q1, this design not only has controllable rise time for safe connections, but also has programmable fault detection delay time.

characteristic

● Maximum reverse voltage protection: 45V
● Fast response to dynamic current reversal: <5µsec
● OR-ing controller
● Overcurrent protection (programmable): 20A
● Undervoltage lockout option: programmable
● Overvoltage protection (programmable): 36V

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Blockdiagram

Design Files

Documentation

PMP10748 Test Results

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