- Schottky rectifier or PN rectifier for freewheeling and protection of inductive load
- N-channel MOSFETs for switch pull-in and hold current
AN50003 - Driving solenoids in automotive applications
There are a wide variety of solenoid drive circuit topologies. Most of them use MOSFETs in various configurations and driving modes. In this application note four of them will be discussed: solenoid driver with free-wheeling diode, solenoid driver with MOSFET avalanching, solenoid driver with active clamp and solenoid driver with auxiliary boost circuit.
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