M62253 Datasheet | Mitsubishi Electric

DESCRIPTION The M62253FP is a charge controller designed for charging lithium ion batteries. The IC has a current and voltage control circuit allowing the constant current/voltage charging to lithium ion batteries. A charger system for lithium ion batteries can be easily designed by utilizing the IC`s following functions ; - charge disabling function for an over discharged battery - charge control function by detecting the battery temperature PIN CONFIGURATION(TOP VIEW) TIN 1 Vref 3 VDD 4 Vcc 5 LED1 6 LED2 7 14 OUT M62253FP C3 2 13 SENSE+ 12 SENSE 11 VSENSE 10 GND 9 8 C2 C1 FEATURES - Constant current and voltage charging - Charge disabling functions for an over discharged battery and a high/low temperature battery - Recharging function - 2 LED driving circuits to Indicate charging conditions - Delay circuit to prevent chattering Outline 14P2N-A APPLICATION Lithium ion battery charger for digital equipment BLOCK DIAGRAM Vref Std. VOLTAGE C1 Vcc 4.1V to 3.9V Incorrect detect prohibition circuit Fixed current control circuit ISET ISENSE+ ISENSE- OUT SENSE+ 3.0V Fixed voltage control circuit VSET VSENSE SENSEVSENSE 2.6V LED2 LED1 Incorrect detect prohibition circuit Incorrect detect prohibition circuit Current detect...