Adafruit DRV8833 DC/Stepper Motor Driver Breakout Board
Breakout for the TI DRV8833 dual H-bridge, driving two DC motors or one bipolar stepper at up to 1.2A per channel. Includes built-in flyback diodes and current-limit protection.
Pinout
- VM
Motor supply voltage, 2.7V-10.8V.
Type · Power - GND
Common ground shared with the controller and motor supply negative.
Type · Ground - AIN1
Channel A input 1 - PWM or digital control signal.
Type · AnalogVoltage · 3.3 - AIN2
Channel A input 2 - PWM or digital control signal.
Type · AnalogVoltage · 3.3 - BIN1
Channel B input 1 - PWM or digital control signal.
Type · PWMVoltage · 3.3 - BIN2
Channel B input 2 - PWM or digital control signal.
Type · PWMVoltage · 3.3 - nSLEEP
Sleep input. Drive or pull HIGH to enable the bare IC; LOW puts the driver in low-power sleep. Some carrier boards already pull this pin high.
Type · GPIOVoltage · 3.3 - nFAULT
Open-drain fault output; active LOW on overcurrent or thermal shutdown.
Type · GPIOVoltage · 3.3 - AOUT1
Channel A motor output 1
Type · Signal - AOUT2
Channel A motor output 2
Type · Signal - BOUT1
Channel B motor output 1
Type · Signal - BOUT2
Channel B motor output 2
Type · Signal
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VM | Power | Motor supply voltage, 2.7V-10.8V. | |
| GND | Ground | Common ground shared with the controller and motor supply negative. | |
| AIN1 | Analog | Channel A input 1 - PWM or digital control signal. | 3.3 |
| AIN2 | Analog | Channel A input 2 - PWM or digital control signal. | 3.3 |
| BIN1 | PWM | Channel B input 1 - PWM or digital control signal. | 3.3 |
| BIN2 | PWM | Channel B input 2 - PWM or digital control signal. | 3.3 |
| nSLEEP | GPIO | Sleep input. Drive or pull HIGH to enable the bare IC; LOW puts the driver in low-power sleep. Some carrier boards already pull this pin high. | 3.3 |
| nFAULT | GPIO | Open-drain fault output; active LOW on overcurrent or thermal shutdown. | 3.3 |
| AOUT1 | Signal | Channel A motor output 1 | |
| AOUT2 | Signal | Channel A motor output 2 | |
| BOUT1 | Signal | Channel B motor output 1 | |
| BOUT2 | Signal | Channel B motor output 2 |
Pin details
12 connections- VM
Motor supply voltage, 2.7V-10.8V.
Power - GND
Common ground shared with the controller and motor supply negative.
Ground - AIN1
Channel A input 1 - PWM or digital control signal.
AnalogVoltage · 3.3 - AIN2
Channel A input 2 - PWM or digital control signal.
AnalogVoltage · 3.3 - BIN1
Channel B input 1 - PWM or digital control signal.
PWMVoltage · 3.3 - BIN2
Channel B input 2 - PWM or digital control signal.
PWMVoltage · 3.3 - nSLEEP
Sleep input. Drive or pull HIGH to enable the bare IC; LOW puts the driver in low-power sleep. Some carrier boards already pull this pin high.
GPIOVoltage · 3.3 - nFAULT
Open-drain fault output; active LOW on overcurrent or thermal shutdown.
GPIOVoltage · 3.3 - AOUT1
Channel A motor output 1
Signal - AOUT2
Channel A motor output 2
Signal - BOUT1
Channel B motor output 1
Signal - BOUT2
Channel B motor output 2
Signal
Start wiring
PWM · I2C · UART · Wide input · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VM, GND, AIN1, AIN2, BIN1, BIN2. Schematik maps them to your board in the app.
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