Pn8162 20W PD fast charging chip, PD fast charging charger scheme

5 Line code , Can let wechat small program on the shelf to their own APP in | Register and send it to Dajiang 、 Huawei 、 Cherry keyboard ！>>>

2017 So far this year , Apple has launched a number of mobile phones that support USB PD Quick charge , Apple 20W（5V3A & 9V2.22A） The introduction of chargers , It will form a brand new market , It's very likely that 20W The rapid growth of the fast charging market , Li microelectronics 20W PD Fast charging protocol chip PN8162, And mass production has been realized , Apply to 20W PD The charger 、 Adapter and open switching power supply and other applications .

 

PN8162 20W PD Quick charge Chip features ：

■ built-in 690V High avalanche power MOSFET

■ Quasi resonant operation

■ Maximum switching frequency 125kHz

■ The periphery is streamlined , There is no need to start resistance and CS Check the resistance

■ High and low voltage feet are arranged on both sides to improve safety

■ Built in high voltage start , No load standby power consumption <50mW @230VAC

■ improve EMI Frequency modulation technology

■ Supply voltage 9-38V, Suitable for wide output voltage applications

■ Excellent comprehensive protection function

· Over temperature protection

· Output overvoltage protection

· Input undervoltage protection

· Cycle by cycle overcurrent protection

· Output on / Short circuit protection

· Secondary rectifier short circuit protection

· Overload protection

 

20W PD High integrated chips are used in the fast charging scheme , Just use PN8162+PN8307 And that's what happened AC-DC Power conversion and other complex functions , And minimize the number of peripherals on the chip , Reduce PCB The area occupied by the board , more PN8162 20W PD Schematic diagram of fast charging protocol chip , Power input and output specifications ,BOM Table and transformer parameters as well as safety regulations and EMI Test data, etc , Please apply to Li microelectronics .>>