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PCA9685 16-channel PWM motor expansion driver board

Overview

Each PWM output of PCA9685 drives a TC118SS full-bridge driver chip with
a peak current of 2A per channel and a maximum continuous current of 1.2A.
In order to obtain 16 channels of drive, the H-bridge chip only uses a half-bridge and only supports one-way output.
The power supply and chip power supply are separated, and the driver supports 2.4V-7.2V voltage.
For four-layer board design, you can use Lichuang for free proofing.

Design Files

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Update:2025-06-23 13:04:38

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