The main control chip power supply capacitor is from Aihua, the specification is 50V 10μF.

The main control chip of the charger is installed on the small board connecting the primary and secondary, and the transformer is placed on the right side.

The main control chip of the charger comes from PI, which is the same supplier as Apple's 18W PD fast charge. Model INN3265C, built-in primary PWM controller, switching tube and secondary synchronous rectification controller, high integration, support wide voltage input, 22W output power.