USB charging solution
1. uc3875a（90khz）45w usb pd fast charging scheme
2. ucs1655s 30w usb pd fast charging scheme
LED bulb linear solution
1. ul23ea 9w led intelligent dimming scheme of bulb lamp
2. ul66c 10w led linear scheme of bulb lamp
Multi group power supply scheme of household appliance control board
1. usr3652 psr 12w 12v/1a, 5v/0.1a
