A3930 and A3931
Automotive 3-Phase BLDC Controller and
MOSFET Driver
FEATURES AND BENEFITS
▪ High current three-phase gate drive for N-channel
MOSFETs
▪ Synchronous rectification ▪ Cross-conduction protection ▪ Charge pump and top-off charge pump for 100% PWM ▪ Integrated commutation decoder logic ▪ Operation over 5.
5 to 50 V supply
voltage range ▪ Extensive diagnostics output ▪ Provides +5 V Hall sensor power ▪ Low-current sleep mode
PACKAGE:
48-Lead LQFP with exposed thermal pad (suffix JP)
Not to scale
DESCRIPTION
The A3930 and A3931 are three-phase brushless DC (BLDC) motor controllers for use with N-channel external power
MOSFETs.
They incorporate much of the circuitry required to des...