PCA9685 12-bit PWM 16 Channel servo driver board

Description

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Product details

• 16 LED drivers with programmable LED brightness, each output programmable: On/Off.
• Programmable group blur (dim) / flashing mixed with independent LED brightness.
• The 1MHz Fast Mode Plus is compatible with the I2C bus interface with 30mA high drive capability on SDA to drive high capacitive buses.
• The output state can be programmed to change when responding or stopping a command to achieve simultaneous update of all outputs or byte-by-byte update output (default is “stop command change”).
• Each LED output achieves 4096-level (12-bit) linear programmable brightness from fully off (default) to maximum brightness.
• The low effective output enables the input pin, when the pin is high, the LED output can be programmed to 0, 1, or high impedance (power-on default is high impedance).
• The LED output frequency (all LEDs) is typically 40Hz to 1000Hz (when the oscillator is 25MHz, the default value of the prescaler register is 1EH and will generate a 200Hz refresh rate).
• Software is programmable for open-drain LED output selection (default push-pull) of 16 push-pull outputs (25mA sink current and 5mA pull current at 5V), with no input function.
• Six hardware address pins allow 62 PCA9685 devices to be connected to the same I2C bus.
• A maximum external input clock of 50MHz is allowed.
• Internal power-on reset.
• There is a noise filter at the SDA/SCL input.
• There is no glitch output when powering up.
• 25MHz internal crystal oscillator without external devices

Specification

• Operating voltage range: 2.3V-5.5V (can withstand 5.5V input)
• Working temperature: -40 – 85 °C
• ESD protection: over 2000V HBM/JESD22-A114, 200V MM/JESD22-A115 and 1000V
• CDM/JESD22-C101
• JEDEC standard: JESD78 enters lock test when it exceeds 100mA
• Package: TSSOP28 and HVQFN28
• Board size: 6.2*2.5*0.2cm

Package list

• 1 * PWM Module
• 6 * Pin
• 1 * Control Module