LM749x0-Q1 Automotive Ideal Diode With Circuit Breaker, Undervoltage, and Overvoltage Protection With Fault Output

1 Features

AEC-Q100 qualified for automotive applications
- Device temperature grade 1:
  –40°C to +125°C ambient operating temperature range
Functional Safety-Capable
- Documentation available to aid functional safety system design
3-V to 65-V input range
Reverse input protection down to –65 V
Drives external back-to-back N-Channel MOSFETs in common drain configuration
Ideal diode operation with 10.5-mV A to C forward voltage drop regulation
Low reverse detection threshold (–10.5 mV) with fast turn off response (0.5 µs)
20-mA peak gate (DGATE) turn on current
2.6-A peak DGATE turnoff current
Adjustable overcurrent and short circuit protection
Analog current monitor output with 10% accuracy (IMON)
Adjustable overvoltage and undervoltage protection
Low 2.5-µA shutdown current (EN=Low)
SLEEP mode with 6-µA current (EN=High, SLEEP=Low)
Meets automotive ISO7637 transient requirements with a suitable TVS diode
Available in space saving 24-Pin VQFN package