Brushless DC Drivers

Half-Bridge Power MOSFET Controller with 100% Duty Cycle and Integrated Protection

A3946

The A3946 simplifies high-power motor control designs with its integrated charge pump, 100% duty cycle capability, and robust protection features. It's suitable for a variety of inductive loads, including unidirectional DC and 3-phase BLDC motors.

Product Details

Top Features

  • On-chip charge pump for 7 V minimum input supply voltage
  • High-current gate drive for driving a wide range of N-channel MOSFETs
  • Bootstrapped gate drive with charge pump for 100% duty cycle
  • Overtemperature protection
  • Undervoltage protection
  • -40°C to 135°C ambient operation

Part Number Specifications and Availability

Design Tools