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Dual Half Bridge Motor Driver

A3910

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A3910 ECAD Model
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Description

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Packaging

The A3910 is a dual half bridge motor driver, designed for low cost, low voltage battery operated power applications. The outputs are rated for operation up to 500 mA.

Direct control of high- and low-side drivers is implemented to allow either high-side or low-side PWM. The motor can be connected to either supply or GND. Using a MOS switch results in improved braking action for the motor, compared to implementation with simple clamp diode.

The A3910 is supplied in a 2 mm × 2 mm 8-contact DFN package (EE) with exposed thermal pad. The package is lead (Pb) free, with 100% matte tin leadframe plating.

  • Low RDS(on) outputs
  • Standby mode with zero current drain
  • Small 2 mm × 2 mm DFN package
  • Crossover-current protection
  • Thermal shutdown protection
8-contact DFN with Exposed Thermal Pad (suffix EE)
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Part Number Specifications and Availability

Documentation and Resources

Third Party Design Tools

Mikroe Demoboards


PWR Meter 3 Demo Board

DC Motor 21 Click is a compact add-on board that contains a brushed DC motor driver. This board features the A3910, a DC motor driver designed for low voltage power applications from Allegro Microsystems.


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