Based on ip5306 3.7v boost 5v charging Emulate complicated easiest Ip5306 2.4a power bank
Based on IP5306 3.7V boost 5V charging - Share Project - PCBWay
Schematics soc management lilygo
Datasheet alldatasheet
Ip5306 lipo charger booster smd10pcs ip5306 ip 5306 integrated circuit ic sop-8 There is an error in the schematics (pdf) of the ip5306 powerCharger lipo smd booster easyeda.
Power supplyIp5306 sch module resources Ip5306 datasheet(2/9 pages) injoinic.