OC05 - Servo Driver

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OC05 - Servo Driver (PCA9685 & BU33SD5)
OC05 V0.5.0 Front.JPG
OC05 V0.5.0 Back.JPG
Main Category Output
Sub Category Control
Introduced 1 January 2017; 2 years ago (2017-01-01)
Current version 1.0.0
Current version date 1 January 2017; 2 years ago (2017-01-01)
Size 2x2U (32x32mm)
Weight 4.9 g
Height 11.3/8.6/1.5 mm

8 x 2.54 mm servo headers

1 x 2.54 mm battery/BEC header
Main Chip PCA9685/BU33SD5
Default Address 0x70 0x78
Alternative Addresses 0x7B 0x7C 0x7E 0x79
Change Setting Solder


The OC05 xCHIP is a servo motor controller driver that uses the PCA9685 PWM controller as servo interface supported by a BU33SD5 regulator to drive and accurately control up to 8 servo motors on a single module and act as system power supply. The module has 8 standard 2.54 mm (0.1") servo headers, plus 1 standard 2.54 mm (0.1") battery/BEC input header.

Product Highlights

  • Servo motor controller/driver
  • Connect up to 8 servos
  • Standard 2.54 mm Servo Motor Header
  • Support for 8 different I2C Addresses (Possible to connect up to 64 Servos)


  • Robotics
  • Motion Control
  • Actuator Interfaces
  • Positional Control



  • 8 PWM Drivers
  • 1 MHz Fast-mode Plus compatible I2C-bus interface
  • 4096-step (12-bit) linear programmable PWM output varying from fully off (default) to maximum PWM
  • Internal power-on reset
  • No output glitches on power-up
  • Low standby current


  • Input Power Supply Voltage Range: 3.5V to 6.0V
  • Output Current Range: 0 to 500mA
  • Operating Temperature Range: -40℃ to +105℃
  • Output Voltage Accuracy: ±2.0%
  • Circuit Current: 33µA
  • Standby Current: 0μA

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