A3935
A3935 is 3-Phase Power MOSFET Controller manufactured by Allegro MicroSystems.
Features and Benefits
- Drives wide range of N-channel MOSFETs in 3-phase bridges
- PFM boost converter for use with low-voltage battery supplies
- Internal LDO regulator for gate-driver supply
- Bootstrap circuits for high-side gate drivers
- Current monitor output
- Adjustable battery overvoltage detection
- Diagnostic outputs
- Motor lead short-to-battery, short-to-ground, and bridge- open protection
- Undervoltage protection
- - 40°C to 150°C TJ operation
- Thermal shutdown
Package 36-pin QSOP (LQ):
Approximate scale 1:1
Description
The A3935 is designed specifically for automotive applications that require high-power motors. Each provides six high-current gate drive outputs capable of driving a wide range of N-channel power MOSFETs.
A requirement of automotive systems is steady operation over a varying battery input range. The A3935 integrates a pulsefrequency modulated boost converter to...
