The FS312F-G protection IC for Li-ion/polymer rechargeable one-cell batteries maintains high accurate detections of the abnormal cell activities and the corresponding delay time in order to have protections against the events of over charge, over discharge, and over current.
10. Electrical Characteristics (Ta=25°C unless otherwise specified) TEST CONDITIONS SYMBOL Min Typ Max UNIT Supply Current VCC=3.9V ICC 3.0 6.0 μA Power-Down Current VCC=2.0V IPD 0.1 μA Overcharge Protection Voltage FS312F-G VOCP 4.225 4.25 4.275 V Overcharge Release Voltage VOCR 4.095 4.145 4.195 V Overdischarge Protection Voltage VODP 2.82 2.90 2.98 V Overdischarge Release Voltage VODR 2.92 3.00 3.08 V Overcurrent Protection Voltage VOIP （VOI1） 120 150 180 mV VSIP （VOI2） 1.00 1.35 1.70 V TOC 200 300 ms FO Fo P R r R ro TU ef pe NE er rti ' en es ce O nl y PARAMETER Short Current Protection Voltage VCC=3.6V Overcharge Delay Time Overdischarge Delay Time VCC=3.6V to 2.0V TOD 40 100 ms Overcurrent Delay Time (1) VCC=3.6V TOI1 10 20 ms Overcurrent Delay Time (2) VCC=3.6V TOI2 5 50 μs -0.7 -0.2 V Charger Detection Threshold Voltage VCHA -1.2 OD Pin Output “H” Voltage VDH VCC-0.1 VCC-0.02 OD Pin Output “L” Voltage VDL OC Pin Output “H” Voltage VCH OC Pin Output “L” Voltage VCL 0. 1 V 0.5 VCC-0.1 VCC-0.02 0.1 V V 0.5 V
