FS325 Description
FS325 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.
FS325 Key Features
- Low supply current Normal Operation : 2.5μA typ. @VDD=3.9V Power-down mode : 0.05μA typ. @VDD=2.0V Auto recovery functio
- Overcharge detection voltage﹝VOCU﹞ 4.25V~4.31V, Accuracy of 25mV
- Overcharge release voltage﹝VOCR﹞ 4.05V~4.11V, Accuracy of 50mV
- Overdischarge detection voltage﹝VODL﹞ 2.30V~2.40V, Accuracy of 100mV
- Overdischarge release voltage﹝VODR﹞ 2.30V~2.90V, Accuracy of 100mV
- Over current detection voltage﹝VOI1﹞ 0.10V~0.13V, Accuracy of 10mV
- Short circuit detection voltage﹝VOI2﹞ 0.7V~0.9V, Accuracy of 10mV
- Charger over current detection voltage ﹝VCH﹞-0.09V~0.10V, Accuracy of 20mV
- Delay times are generated by an internal circuit. (External capacitors are unnecessary.)
- Reset resistance for Over current protection >150k
FS325 Applications
- Protection IC for One-Cell Lithium-Ion / Lithium-Polymer Battery Pack