Integrated bipolar stepper and brushed DC driver for 8.2–45 V rails
The Texas Instruments DRV8843PWP is a fully integrated motor driver combining control logic and power stage in one 28-pin PowerTSSOP package. It drives one bipolar stepper motor or two brushed DC motors using four internal half-bridges built with Power MOSFETs — no external H-bridge or FETs needed. The supply and load voltage range spans 8.2 V to 45 V, and each half-bridge delivers up to 1.75 A continuous. The parallel interface accepts step/direction or simple logic-level commands, making it a direct fit for CNC stages, 3D-printer axes, pump drives, and general-purpose actuator control in industrial or automotive environments rated from -40°C to 150°C junction temperature.
1.75 A per channel — sizing the motor load
The 1.75 A output current per half-bridge sets the practical motor winding current. For a bipolar stepper, this gives 1.75 A per phase. For brushed DC, each of the two H-bridges handles 1.75 A continuous.
Active lifecycle, no obsolescence risk
TI lists the DRV8843PWP as Active (current production) and ROHS3 compliant.