One-Stop Supply Dual DMOS Full-Bridge Motor Driver Electronic components BOM Integrated circuit IC A3916GESTR-T-1 chip Component

Product Descriptions

Designed for pulse-width-modulated (PWM) control of lowvoltage stepper motors and single and dual DC motors, the A3916 is capable of output currents up to 1 A per channel and operating voltages from 2.7 to 15 V.

The A3916 has an internal fixed off-time PWM timer that sets a peak current based on the selection of a current sense resistor. An output fault flag is provided that notifies the user of a TSD or overcurrent protection event.

The A3916 is supplied in a low-profile 3 × 3 mm 16-terminal QFN (suffix “ES”) and a low-profile 4 × 4 mm 20-terminal QFN (suffixes “ES, -1”) both with exposed power tabs for enhanced thermal dissipation.

Product Features

• Wide, 2.7 to 15 V input voltage operating range

• Dual DMOS full-bridges: drive two DC motors or one stepper motor

• Low RDS(ON) outputs

• Synchronous rectification for reduced power dissipation

• Low-current sleep mode

• Overcurrent protection

• Internal UVLO and thermal shutdown circuitry

• Integrated charge pump

• Pin-to-pin compatible with A3906

Specifications

Actual product photos

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