FS312

FS312 Lithium-ion/Polymer Battery Protection IC General Description FS312 is a series of lithium-ion and lithium-polymer rechargeable battery protection ICs with high accurate voltage detection and delay circuits. These ICs are suitable for protection of single cell lithium-ion or lithium polymer battery packs from over charge, over discharge and over current. Ordering Information FS312 x Serial code from AR to FR * *: Refer to the product name list on next page. Features Low supply current Normal Operation : 3.0μA typ. @VDD=3.9V Power-down mode : 0.3μA max. @VDD=2.0V Overcharge detection voltage ﹝VOCU﹞ 4.0V~4.4V, Accuracy of ±25mV Overcharge release voltage ﹝VOCR﹞ 3.9V~4.2V Accuracy of ±50mV Overdischarge detection voltage ﹝VODL﹞ 2.2V~2.9V, Accuracy of ±80mV Overdischarge release voltage ﹝VODR﹞ 3.0V~3.2V Accuracy of ±80mV Over current detection voltage ﹝VOI1﹞ VOI1 Short circuit detection voltage ﹝VOI2﹞ 1.35V Delay times are generated by an internal circuit. (External capacitors are unnecessary.) Charger detection voltage -1.35V Reset resistance for Over current protection >500kΩ Wide supply voltage range 1.5 ~ 9.0V Small package SOT-23-6 Applications Protection IC for One-Cell Lithium-Ion / Lithium-Polymer Battery Pack Fortune Semiconductor Co. http://www.fsc.com.tw TEL : +886-2-2809-4742 FAX: +886-2-2809-4874 1/14 TD-0404004 Rev. 1.4 Product Name List FS312 Lithium-ion/Polymer Battery Protection IC Model Package SOT-23-6 Overcharge d...