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Description: 1. Overview: PCA9685 is a 16-channel 12-bit servo driver that provides precise control over servo motors or other low-voltage actuators through I²C bus interface. 2. Features: It includes an adjustable gain amplifier for each output channel, which can be set using the onboard potentiometers or via external control signals. The driver supports a voltage range of 4.5V to 5.5V and can deliver up to 1.3W per channel. 3. Servo Control: This driver offers advanced servo control capabilities, allowing for fine-grained adjustments through its 12-bit resolution. The output signals from the PCA9685 are pulse width modulated (PWM), ensuring smooth and accurate motor movement. 4. Flexible Operation Modes: Users can choose between two operation modes: standard servo mode or continuous rotation mode, depending on their application requirements. In continuous rotation mode, all channels can be used to control the speed of a single motor. 5. Power Management: The PCA9685 features power down and s
| Specification | Details |
|---|---|
| IC Type | I2C-controlled 8-bit microcontroller |
| Operating Voltage | 2.0V to 5.5V (with external capacitor) |
| Operating Current | Up to 60mA (average) up to 250mA (peak) |
| Resolution | 12 bits (4096 steps) per servo channel |
| Number of Channels | 16 channels individually controllable |
| I2C Address | Programmable I2C address: 0x60 to 0x67 |
| Clock Speed | Up to 400 kHz (for high-speed applications) |
| Servo Frequency Range | 10 Hz to 1.6 kHz (depending on the load) |
| Weight and Size | approximately 12mm x 8mm x 0.9mm 3 grams |
| Package Type | QFN-30 5x5 mm |
