Motor-drive BOM fit: dual H-bridge in a 16-pin HTSSOP
It drives two brushed DC motors independently or one bipolar stepper motor, controlled directly by PWM signals from a microcontroller. Each bridge delivers up to 1.5 A continuous output current, with a supply range of 2.7 V to 10.8 V.
1.5 A per bridge — sizing the load and the thermal pad
The 1.5 A continuous rating per H-bridge is the spec that drives the load budget: two brushed DC motors at 1.5 A each, or a bipolar stepper drawing up to 1.5 A per phase.
PWM control — no SPI, no I2C, just two pins per bridge
The interface is plain PWM: one input per half-bridge, so four PWM pins from the MCU control both motors or the stepper. There is no serial bus overhead — the firmware just toggles GPIOs. This keeps the MCU selection simple; any controller with four timer outputs works. Logic inputs are referenced to the device supply voltage (VCC), which can be as low as 2.7 V — so logic is directly compatible. No level shifter needed between an MCU and the driver.