Kun Xing fast charge adapter with popular USB TYPE-C interface, the overall shape simple, color stable.
Two feet American standard plug, can not be folded.
USB TYPE-C interface output, the following marked with detailed specifications. 5V / 3A, 9V / 2.67A, 12V / 2A, the maximum output power of 24W.
Power on the edge of the shell are chamfered, looks very delicate.
Power supply circuit positive and negative.
Insurance circuit and EMI circuit part. The green original is ntc, suppressing the power surge.
The power supply uses three main capacitors with a withstand voltage of 400V, two volumes of 15 microfarads and one for 10 microfarads.
Main capacitor brand ACON.
The output filter uses two solid capacitors from the Wan Yu parallel, capacitor single specification: 16V 680 microfarads. High and low pressure zone insulation separator with glue fixed.
The blue capacitor is mainly used to filter out high frequency interference. The second half of the USB TYPE-C output daughter board is wrapped with an insulating tape.
USB TYPE-C socket magnetic suction.
High and low pressure zone using insulating plastic sheet to do isolation.
PCB high current part of the alignment in order to reduce the line resistance are done tin deposited.
The solder joints are full and shiny, and the length of the pins is the same.
Four Schottky diodes consist of rectifier bridge heap
Switch from Sisemi Shenzhen love semiconductor, model SiF7N65D, 650V / 7A.
Screen printing for the 632115 PWM.
Synchronous rectifier controller.
Synchronous rectifier MOS, from Sisemi Shenzhen love semiconductor model for the SIF115N080.
Output protection MOS, from Sisemi Shenzhen love semiconductor model SI60P030.
Obo OB2612 PD controller.
The white R005 component is the current sense resistor.