2961 Datasheet - Allegro MicroSystems

2961 HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER

2961 HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER 2961 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. The output drivers are capable of sustaining 45 V with continuous currents of ±3.4 A and peak transient c.

2961 Features

* s s s s s s s s s 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 Always

2961_AllegroMicroSystems.pdf