CNC adjustable step-up and step-down module designed based on Nanxin SC8721. This is a synchronous buck-boost chip, and has reserved output current detection port and IIC control port.
Verification board link: https://oshwhub.com/Monnina/SC8721QFERfang-an-yan-zheng-ban
Station B column: https://www.bilibili.com/read/cv6084611
Welding test video:
Has the following characteristics:
The chip has been printed and verified. As for why this board is made, the main purpose is to design a multi-output digital control power supply powered by lithium batteries. After selecting and choosing, I found this IC. Let’s pursue modularity and use the NGFF interface (good-looking) M-key is used
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