Based on ip5306 3.7v boost 5v charging Ip5306 lipo charger booster smd Charger lipo smd booster easyeda
IP5306 LiPo Charger Booster SMD - EasyEDA open source hardware lab
Ip5306 datasheet(2/9 pages) injoinic
Ip5306 2.4a power bank
10pcs ip5306 ip 5306 integrated circuit ic sop-8Emulate complicated easiest Datasheet alldatasheetPower supply.
There is an error in the schematics (pdf) of the ip5306 powerSch easyeda charger Ip5306 sch module resources.