Disassembly report: Lenovo thinkbook Mini 65W 1a1c gallium nitride charger

2025-08-08

Thinkbook is a brand-new PC brand launched by Lenovo for young fashion groups. Various models of notebook computers launched this year are indeed popular with young people. Recently, charging head network got a mini 65W gallium nitride charger from thinkbook, which is compact and portable with folded pins and 1a1c dual port configuration. Here is a detailed disassembly of this charger to see how it is done.

Lenovo thinkbook Mini 65W gallium nitride charger is equipped with 1a1c interface, and its main selling point is fast charging of dual devices at the same time. It can support fast charging of laptop phones at the same time, so as to meet the charging needs of young people on poor journeys. The interface supports QC, AFC, FCP, PD and PPS fast charging protocols, and has 5-20v and 5-11v3a PPS voltage gears, with good compatibility.

After disassembling the charging head network, it was found that the internal gallium nitride scheme and the use of planar transformer were the main reasons why this charger was so small. The charger adopts ansenmey ncp1342+mps mp6908a high-frequency quasi resonant switching power supply scheme, together with nano gallium nitride switch tube and Weizhao synchronous rectifier tube.

At the output end, the Nanxin sc8721 highly integrated step-down controller is matched with the Intel ip2726 protocol chip to control the output of usb-a port, and the usb-c port is controlled by Weiquan wt6636f. In addition, the capacitor filter of Jianghai and Aihua famous brands is adopted, and the overall material and workmanship are solid and reliable.