fs326 Fortune Semiconductor Corporation, fs326 Datasheet - Page 3

• Manufacturer Part Number: fs326
• Description: One Cell Lithium-ion/polymer Battery Protection Ic
• Manufacturer: Fortune Semiconductor Corporation

Rev. 1.9
1.
FS326 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.
2.
Low supply current
Operation : 3.0μA typ. @VDD=3.9V
Power-down mode : 0.1μA max. @VDD=2.0V
Overcharge detection voltage
4.2V~4.4V, Accuracy of ±25mV
Overcharge release voltage
3.8V~4.2V, Accuracy of ±50mV
Overdischarge detection voltage
2.2V~2.9V, Accuracy of ±50*mV
Overdischarge release voltage
2.4V~3.2V, Accuracy of ±50*mV
Over current detection voltage
0.05V~0.2V, Accuracy of ±30mV
Short circuit detection voltage
Fixed at 1.35V
Delay times are generated by an internal circuit.
(External capacitors are unnecessary.)
Charger detection voltage
Reset
>500k
Wide supply voltage range
Small package
3.
*: Refer to the product name list on next page.
*: Refer to the product name list on next page.
General Description
Features
Ordering Information
resistance for Over current protection
FS326 x
FS326 x-P (P stands for Pb-free)
Serial code from C to H *
Serial code from C to H *
1.8 ~ 9.0V
SOT-23-6
﹝VOCR﹞
﹝VODR﹞
﹝VOCU﹞
﹝VODL﹞
﹝VOI1﹞
﹝VOI2﹞
-0.7V
Normal
4.
Protection
Lithium-Polymer Battery Pack
Applications
IC
for
One-Cell
Lithium-Ion
FS326
3/20
/