MM1707

MITSUMI Lithium-Ion Battery Charge Control for AC Charger MM1707 Series Lithium-Ion Battery Charge Control for AC Charger Monolithic IC MM1707 Series Outline This IC is a one-cell lithium ion battery charge control IC for AC chargers. The charging current and charging voltage can be optimally controlled by controlling the primary side through a photocoupler. It incorporates a charging over timer, delay circuit for misoperation prevention, and overvoltage/overcurrent detection functions. It includes a 2-channel LED display circuit, which allows displaying the charge status. Phased Out Products Features 1. Various charge control functions 2. Battery temperature detection function 3. Recharge detection function Accuracy ±50mV 4. Full-charge detection function Accuracy ±3.4mV 5. Voltage control function for the primary side of an AC adaptor 6. Abnormal battery detection function (Overdischarge/overcharge voltage detection functions, battery temperature detection function) ...