Описание
The S-8209A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. The S-8209A Series has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell.
High-accuracy voltage detection circuit Overcharge detection voltage*1 3.55 V to 4.40 V (5 mV step) Accuracy ±25 mV Overcharge release voltage*1 3.50 V to 4.40 V*2 Accuracy ±50 mV Cell-balance detection voltage*1 3.55 V to 4.40 V (5 mV step)*3 Accuracy ±25 mV Cell-balance release voltage*1 3.50 V to 4.40 V*4 Accuracy ±50 mV Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV Overdischarge release voltage 2.0 V to 3.4 V*5 Accuracy ±100 mV Settable delay time by external capacitor for output pin Control charging, discharging, cell-balance by CTLC pin and CTLD pin Two types of cell-balance function; charge / discharge*6 Wide range of operation temperature Ta = -40°C to +85°C Low current consumption 7.0 µA max Lead-free, Sn 100%, halogen-free