UDN2961B Datasheet PDF - Allegro MicroSystems

●HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER—WITH INTERNAL CURRENT SENSING AND CONTROL

●The UDN2961B and UDN2961W are 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961B/W consists of a power source driver output, a power sink driver output, a flyback recovery diode, internal current sensing circuitry, and a user-selectable fixed off-time chopper circuit.

●FEATURES

●■3.4 A, 45 V Source and Sink Drivers

●■Internal Current Sensing

●■User-Selectable Fixed Off-Time PWM Current Control

●■Internal Flyback Diode

●■Low Output Saturation Voltage

●■Chip Enable

●■Fast or Slow Current-Decay Modes

●■Programmable Blanking Window

●■Internal Thermal Shutdown Circuitry