Disassembly report: Kexun Mini 33W fast charging Gan charger

2021-06-30

Shenzhen Kexun Industrial Co., Ltd., founded in 1992, is a high-tech enterprise integrating R & D, production and sales. Facing the fierce Gan fast charging and 20W Mini charging market, Kexun has launched 65W 1a1c Gan fast charging charger and mini 20W PD fast charging charger for customers to choose from.

Now, with the rise of 30W Mini Gan fast charging market, Kexun has launched a mini 33W fast charging Gan charger to meet the market demand, so that users outside the iPhone can experience the advantages of small size and higher power Mini charging.

This charger has two styles of fixed and folding pins, which are compatible with most of the mainstream fast charging protocols on the market. It also supports PPS fast charging and can be compatible with more brand devices. The following charging head network on this charger for detailed disassembly, to see how to do.

Kexun's Mini 33W Gan charger is small, which is one of the core features of the product. Its power density is 1.16w/cm ³， Although it didn't break the record, it was almost the same as the first one. Secondly, the charger supports QC, AFC, FCP, SCP, pd3.0 and PPS, and has 5v3a, 9v3a, 12v2.5a, 15v2a, 20v1.5a and 3.3-11v3a voltage ranges, with complete range and good overall performance, meeting the fast charging requirements of major brands of mobile phones, tablets and other devices. Equipped with fixed pins, suitable for home and office use.

Through the disassembly of the charging head network, we know that the input end of the charger is pasted with a thermal pad, and the module is designed with a U-shaped structure. In order to improve the overall stability, the gap between the components is filled with silica gel. In addition, the high and low voltage filter capacitor sleeve has insulating rubber sleeve, and the overall workmanship is exquisite. In addition, the charger adopts sc3021c + sc3503 high-frequency QR Gan fast charging scheme, with inn650da04, the second generation Gan power chip of innoseco, and Ruijun synchronous rectifier. The protocol chip adopts ip2723t. Using Aihua electrolytic capacitor for filtering, the material is also very reliable.