Описание
The S-8205BAA Series includes high-accuracy voltage detection circuits and delay circuits, in single use, makes it possible for users to monitor the status of 4-series or 5-series cell lithium-ion rechargeable battery. The S-8205BAA Series is suitable for protecting lithium-ion rechargeable battery pack from overcharge, overdischarge, and overcurrent.
High-accuracy voltage detection function for each cell Overcharge detection voltage n (n = 1 to 5) 3.55 V to 4.50 V*1 (50 mV step) Accuracy ±25 mV Overcharge release voltage n (n = 1 to 5) 3.30 V to 4.50 V*2 Accuracy ±50 mV Overdischarge detection voltage n (n = 1 to 5) 2.0 V to 3.2 V*1 (100 mV step) Accuracy ±80 mV Overdischarge release voltage n (n = 1 to 5) 2.0 V to 3.4 V*3 Accuracy ±100 mV Discharge overcurrent detection in 2-step Discharge overcurrent detection voltage 0.05 V to 0.30 V*4 (50 mV step) Accuracy ±15 mV Short circuit detection voltage 0.50 V to 1.0 V*4 (100 mV step) Accuracy ±100 mV Charge overcurrent detection Charge overcurrent detection voltage -0.30 V to -0.05 V (50 mV step) Accuracy ±30 mV Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge overcurrent detection delay time, Charge overcurrent detection delay time (Load short circuit detection delay time is internally fixed.) S-8205A Series: used for 4-series cell, S-8205B Series: used for 5-series cell Independent charging and discharge control by the control pins Power-down function “yes” / “no” is selectable High-withstand voltage Absolute maximum rating : 28 V Wide range of operation voltage 2 V to 24 V Wide range of operation temperature Ta = -40°C to +85°C Low current consumption During operation 40 µA max. (Ta = +25°C) During power-down 0.1 µA max. (Ta = +25°C) Lead-free (Sn 100%), halogen-free
