The TB6612FNG is a dual DC motor driver that drives two motors up to 1.2A each. It uses MOSFET H-bridges for better efficiency than bipolar designs like the L293D, with a much lower voltage drop and heat generation.
| Pin | Name | Function | Type |
|---|---|---|---|
| AIN1 | AIN1 | Motor A input 1 | I/O |
| AIN2 | AIN2 | Motor A input 2 | I/O |
| PWMA | PWMA | Motor A PWM speed control | I/O |
| BIN1 | BIN1 | Motor B input 1 | I/O |
| BIN2 | BIN2 | Motor B input 2 | I/O |
| PWMB | PWMB | Motor B PWM speed control | I/O |
| STBY | STBY | Standby, HIGH = enabled | I/O |
| VM | VM | Motor supply 2.5Vā13.5V | PWR |
| VCC | VCC | Logic supply 2.7Vā5.5V | PWR |
| GND | GND | Ground | GND |
| AO1 | AO1 | Motor A output 1 | I/O |
| AO2 | AO2 | Motor A output 2 | I/O |
| BO1 | BO1 | Motor B output 1 | I/O |
| BO2 | BO2 | Motor B output 2 | I/O |