| Pin # | Name | Function | | :--- | :--- | :--- | | 1 | VM | Motor power supply (4.5V – 13.5V) | | 2, 9 | AO1, BO1 | Output A1 / Output B1 | | 3, 8 | AO2, BO2 | Output A2 / Output B2 | | 4 | PGND | Power ground for motors | | 5 | VCC | Logic supply (2.7V – 5.5V) | | 6 | STBY | Standby (High = Active; Low = Standby) | | 7, 15 | AIN1, BIN1 | Input 1 for Channel A / Channel B | | 10, 14 | AIN2, BIN2 | Input 2 for Channel A / Channel B | | 11 | PWMA | PWM input for Channel A (speed control) | | 12 | GND | Logic ground | | 13 | PWMB | PWM input for Channel B (speed control) | | 16 | VREF | Reference voltage (usually tied to VCC) |
, which minimizes heat generation compared to older bipolar-junction transistor (BJT) drivers. Standby Power: Extremely efficient standby mode drawing less than Thermal Protection: Mx1616 Motor Driver Datasheet
MCU (3.3V/5V) MX1616 Motor Supply (6V-12V) | | | |--- PWM1 -------> PWMA (11) | |--- IN1 --------> AIN1 (7) | |--- IN2 --------> AIN2 (15) | |--- STBY -------> STBY (6) ----[10k]--- VCC | | | | VCC (5) ----[0.1µF]--- GND | | VM (1) ----[100µF]--- PGND | | | | AO1 (2) ----------- Motor A (+)| | AO2 (3) ----------- Motor A (-)| | | GND ------------> GND (12) & PGND (4) ------- GND | Pin # | Name | Function |
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