Description
D1
1
LED driver pin/battery type selection (IP2312_VSET)
TEST
2 Test pin, connect 1K resistor to the positive terminal of the battery
D2
3
LED driver pin
NTC
4
NTC temperature protection, connect NTC resistor
ONE
5 Connect the positive terminal of the lithium battery
ICHG
6 Charging c
Features
- ÿ Synchronous switch step-down charging ÿ Charging efficiency 94% (3.7V/2A) ÿ Maximum charging current 3A ÿ Charging current can be adjusted by external resistor ÿ Automatically adjusts the input current and is compatible with small current adapters ÿSupport 4.20V/4.30V/4.35V/4.4V battery ÿSupport charging NTC temperature protection ÿSupports LED charging status indication ÿ Built-in power MOS ÿ 750KHz switching frequency, can support 1uH inductor ÿ Input overvoltage and undervoltage protection.
IP2312 Datasheet
