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FS325D-G
General 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.
Feature
| • | Low supply current, Normal Operation : 2.5£gA typ. @VDD=3.9V | | • | Power-down mode : 0.05£gA typ. @VDD=2.0V Auto recovery function : 1.8£gA typ. @VDD=2.0V | | • | Overcharge detection voltage¡£VOCU¡¤ 4.2V~4.4V, Accuracy of 25mV | | • | Overcharge release voltage¡£VOCR¡¤ 3.8V~4.2V, Accuracy of 50mV | | • | Overdischarge detection voltage¡£VODL¡¤ 2.0V~2.8V, Accuracy of 100mV | | • | Overdischarge release voltage¡£VODR¡¤ 2.8V~3.2V, Accuracy of 100mV | | • | Over current detection voltage¡£VOI1¡¤ 0.10V~0.13 V, Accuracy of 10mV | | • | Short circuit detection voltage¡£VOI2¡¤ Fixed at 1.35V | | • | Delay times are generated by an internal circuit. (External capacitors are unnecessary.) | | • | Charger detection voltage -0.09 V | | • | Reset resistance for Over current protection >150k | | • | Wide supply voltage range 1.5 ~ 5.5V | | • | Small package SOT-23-5 | | • | 0V-Battery charging function |
Application
Protection IC for One-Cell Lithium-Ion / Lithium-Polymer Battery Pack
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