Motor driver identity and key parametrics
The DRV8436PRGER is a fully integrated motor driver from Texas Instruments, combining control logic and power stage in one 24-VFQFN package. It drives both bipolar stepper motors and brushed DC motors via a PWM interface, using internal Power MOSFETs rated for 1.5 A continuous output per channel.
Housed in a 24-VFQFN with exposed pad (supplier device package 24-VQFN 4x4 mm), the part is surface-mount and requires a thermal pad on the PCB for heat sinking. Store the reels dry: the QFN package is moisture-sensitive, and a bake may be needed before reflow if the moisture barrier bag is breached.
Lifecycle and compliance
No official second-source or pin-compatible alternative is listed. The part is single-sourced to TI; if a BOM hedge is needed, a functional equivalent from a different package or pinout would require a board spin.