●The LM74610-Q1 is a controller device that can be used with an N-Channel MOSFET in a reverse polarity protection circuitry. It is designed to drive an external MOSFET to emulate an ideal diode rectifier when connected in series with a power source. A unique advantage of this scheme is that it is not referenced to ground and thus has Zero Iq.
●The LM74610-Q1 controller provides a gate drive for an external N-Channel MOSFET and a fast response internal comparator to discharge the MOSFET Gate in the event of reverse polarity. This fast pull-down feature limits the amount and duration of reverse current flow if opposite polarity is sensed. The device design also meets CISPR25 Class 5 EMI specifications and automotive ISO7637 transient requirements with a suitable TVS diode.
● Qualified for Automotive Applications
● AEC-Q100 Qualified With the Following Results:
● Exceeds HBM ESD Classification Level 2
● Device CDM ESD Classification Level C4B
● Maximum reverse voltage of 45 V
● No Positive Voltage limitation to Anode Terminal
● Charge Pump Gate Driver for External N-Channel
●MOSFET
● Lower Power Dissipation than Schottky
●Diode/PFET Solutions
● Low Reverse Leakage Current
● Zero IQ
● Fast 2-µs Response to Reverse Polarity
● 40°C to +125°C Operating Ambient Temperature
● Can be Used in OR-ing Applications
● Meets CISPR25 EMI Specification
● Meets Automotive ISO7637 Transient
●Requirements with a Suitable TVS Diode
● No Peak Current Limit
