TWL2213 lithium-ion battery charging process

Relevant key device information applied in this article: TWL2213 (1) Lithium-ion battery pack wake-up (2) Precharge circuit: (3) Fast charging and termination: (4) Temperature monitoring TWL2213 monitors the lithium-ion battery from beginning to end during the charging cycle temperature, and uses the NTC thermistor to generate the ADC input reference voltage. TWL2213 compares the ADC reference voltage with the programmable threshold voltage to decide whether to suspend the charging process or cut off overheating.