These parts are no longer in production The device should not be purchased for new design applications. Samples are no longer available. The A4938 is a 3-phase BLDC motor pre-driver for N-channel MOSFETs, featuring Hall-element inputs, a commutation sequencer, and fixed off-time PWM current control. It includes locked-rotor detection, synchronous rectification, and protection against thermal shutdown, undervoltage, and dead time.
Product Details
Product Details
Top Features
- Drives 6 N-channel MOSFETs
- Synchronous rectification for low power dissipation
- Internal UVLO and thermal shutdown circuitry
- Hall element inputs
- PWM current limiting
- Dead time protection
- FG outputs
- Standby mode
- Lock detect protection
- Overvoltage protection