SNOU180A
June 2021 – September 2021
LM74701-Q1
Trademarks
1
Introduction
2
Setup
2.1
I/O Connector Description
2.2
Board Setup
2.3
Schematic
3
LM74701-Q1EVM Performance Capture
3.1
LM74701-Q1EVM Startup
3.2
Startup Reverse Polarity (–12 V)
3.3
ISO 7637-2 Pulse 1 Performance
4
EVM Board Assembly Drawings and Layout Guidelines
4.1
PCB Drawings
4.2
Bill of Materials
5
Revision History
2.1
I/O Connector Description
VIN
J1: Power input connector to the positive rail of the input power supply
GND1
J3: Ground connection for the power supply
VOUT
J2: Power output connector to the positive side of the load
GND2
J4: Ground connection for the load
EN
J5: Jumper to enable LM74701-Q1 gate driver
1-2 position connects EN to Anode, 2-3 position connects EN to GND
Test Points
VINA, VOUTA,GATE,ENA,BATT_MON, GND1, and GND2 are test points
Figure 2-1
LM74701-Q1EVM Typical Application Circuit