Integrated DMOS driver for brushed DC and bipolar stepper motors
The DRV8801RTYR is a fully integrated motor driver combining control logic and DMOS power stage in a 16-QFN package. It drives one brushed DC motor or one bipolar stepper motor, with a parallel interface for step/direction or PWM control.
2.8 A output — sizing the load and thermal margin
The 2.8 A continuous output rating is the headline number for motor selection. A brushed DC motor drawing 2 A at stall leaves headroom for inrush and transient loads.
Parallel interface — simple PWM or step/direction control
The parallel interface accepts logic-level signals for PHASE/ENABLE or STEP/DIRECTION control, depending on the mode. No SPI or I2C bus is needed, which keeps the MCU firmware simple and the BOM free of level shifters or protocol translators. The DMOS outputs handle the commutation internally, so the host controller only manages the speed and direction commands.