What is the status of China's foreign trade import and export recently?
On April 30th, the Ministry of Commerce held a regular online press conference. The spokesperson said that the current epidemic's impact on China's foreign trade is mainly on the demand side, with...
NCP1236 65W Laptop Offline Adapter Application Circuit
Photocoupler The following is the circuit diagram of [NCP1236 65W laptop offline adapter application circuit] NCP1236 is a new fixed-frequency current mode controller with dynamic self-supplied power...
Circuit Design of 65W Laptop Adapter
Probe domestic double-head probe 038-BB-5.7L The shape of the two ends of the needle is outside the pointed needle Photocoupler Summary: The power supply design uses the TOP259EN device. The...
USB-C 65W PD Power Adapter
The Type-C charger was recently studied, so some chargers were disassembled. One of them turned out to be the NetEase brand charger. . . . Didn't the hammer make mobile phones? Everyone is playing...