Texas Instruments DRV8885RHRT, Fully Integrated Bipolar Stepper Motor Driver, NMOS, 1.5 A Output, 8 V to 37 V Load, Logic Interface, 1/16 Microstepping, 28-WFQFN Exposed Pad, -40°C to 125°C.
| Parameter | Value |
|---|---|
| Mounting type | Surface Mount |
| Motor type - stepper | Bipolar |
| Voltage - load | 8V ~ 37V |
| Voltage | 0V ~ 5.3V |
| Current - output | 1.5A |
| Interface | Logic |
| Operating temperature | -40°C ~ 125°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Technology | NMOS |
| Applications | Printer |
| Case | 28-WFQFN Exposed Pad |
| Step resolution | 1 ~ 1/16 |
| Output configuration | Half Bridge (4) |
The 1/16-step microstepping is implemented with a built-in indexer, so the MCU only needs to send a step and direction pulse — no complex microstepping table or PWM timing generation on the host side. That saves firmware effort and keeps the MCU pin count low.
The DRV8885RHRT carries an Active lifecycle status with ROHS3 compliance.
The DRV8885RHRT is rated for 1.5 A continuous output per coil. This is the figure to use for motor phase-current sizing and thermal derating calculations.
The closest functional peer from TI is the DRV8811PWPR, which also uses four half-bridge outputs for a bipolar stepper and a logic interface. The DRV8811 delivers 1.9 A output and operates up to 150°C junction, but its load voltage is limited to 8 V — it cannot accept the 24 V or 37 V rails the DRV8885 handles. The DRV8885 is the better fit for 12 V to 37 V printer and motion applications.