github.com/eyelight/drv8833
Package drv8833 provides a driver for the DRV8833 dual h-bridge chip able to drive DC motors, bipolar steppers, solenoids, and other inductive loads The DRV8833 has a wide power supply range from 2.7v - 10.8v Included are methods that seem appropriate for DC motors Run() & latching solenoids Pulse(), but not steppers Datasheet: https://www.ti.com/lit/ds/symlink/drv8833.pdf Pins IN1 | H-bridge 1 IN2 | H-bridge 1 IN3 | H-bridge 2 IN4 | H-bridge 2 GND | VCC | 3-10v ULT | Low = Sleep; High = Run EEP | Output protection OUT1 | OUT2 | OUT3 | OUT4 | Truth Table (per H-bridge) | IN1 | IN2 | OUT1 | OUT2 | FUNCTION | | --- | --- | ---- | ---- | -------- | | 0 | 0 | Z | Z | Coast / fast decay | | 0 | 1 | L | H | Reverse | | 1 | 0 | H | L | Forward | | 1 | 1 | L | L | Brake / slow decay | PWM Control Truth Table | IN1 | IN2 | Function | | --- | --- | -------- | | PWM | 0 | Forward PWM, fast decay | | 1 | PWM | Forward PWM, slow decay | | 0 | PWM | Reverse PWM, fast decay | | PWM | 1 | Reverse PWM, slow decay |
Readme
This package is a TinyGo driver for the TI DRV8833 dual h-bridge chip able to drive DC motors, bipolar steppers, solenoids, and other inductive loads.
The chip has a power supply range from 2.7v - 10.8v. Included are methods that seem appropriate to motors and solenoids, with and without PWM, but may need some more work to support steppers.
FAQs
Package drv8833 provides a driver for the DRV8833 dual h-bridge chip able to drive DC motors, bipolar steppers, solenoids, and other inductive loads The DRV8833 has a wide power supply range from 2.7v - 10.8v Included are methods that seem appropriate for DC motors Run() & latching solenoids Pulse(), but not steppers Datasheet: https://www.ti.com/lit/ds/symlink/drv8833.pdf Pins IN1 | H-bridge 1 IN2 | H-bridge 1 IN3 | H-bridge 2 IN4 | H-bridge 2 GND | VCC | 3-10v ULT | Low = Sleep; High = Run EEP | Output protection OUT1 | OUT2 | OUT3 | OUT4 | Truth Table (per H-bridge) | IN1 | IN2 | OUT1 | OUT2 | FUNCTION | | --- | --- | ---- | ---- | -------- | | 0 | 0 | Z | Z | Coast / fast decay | | 0 | 1 | L | H | Reverse | | 1 | 0 | H | L | Forward | | 1 | 1 | L | L | Brake / slow decay | PWM Control Truth Table | IN1 | IN2 | Function | | --- | --- | -------- | | PWM | 0 | Forward PWM, fast decay | | 1 | PWM | Forward PWM, slow decay | | 0 | PWM | Reverse PWM, fast decay | | PWM | 1 | Reverse PWM, slow decay |
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