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PDF FS312 Data sheet ( Hoja de datos )
| Número de pieza | FS312 | |
| Descripción | Lithium-ion/Polymer Battery Protection IC | |
| Fabricantes | Fortune Semiconductor | |
| Logotipo |  |
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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
1 page  
FS312
Lithium-ion/Polymer Battery Protection IC
Electrical Characteristics
(VSS=0V, Ta=25°C unless otherwise specified)
PARAMETER
CURRENT CONSUMPTION
Supply Current
Power-Down Current
OPERATING VOLTAGE
Operating input voltage
CONDITIONS
VDD=3.9V
VDD=2.0V
VDD-VSS
DETECTION VOLTAGE
Overcharge detection voltage
SYMBOL
IDD
IPD
VDS1
VOCU
Overcharge release voltage
VOCR
Overdischarge detection voltage
VODL
Overdischarge release voltage
VODR
Over current detection voltage
VOI1
Short circuit detection voltage VDD=3.0V
Reset resistance for Over current
VDD=3.6V
protection
Charger detection voltage
VOI2
Rshort
VCH
DELAY TIME
Overcharge detection delay time VDD=3.6V to 4.4V
Overdischarge detection delay time VDD=VODL+ 0.2V ~
VODL-0.2V
Over current detection delay time VDD=3.0V
Short circuit detection delay time VDD=3.0V
TOC
TOD
TOI1
TOI2
OTHER
OC pin output “H” voltage
OC pin output “L” voltage
OD pin output “H” voltage
OD pin output “L” voltage
VDD=3.9V, Ioh=-50μA
VDD=4.4V, CSI=0V
VDD=3.9V, Ioh=-50μA
VDD=2.2V, Iol=50μA
Voh1
Vol1
Voh2
Vol2
Min
1.5
VOCU
-0.025
VOCR
-0.050
VODL
-0.080
VODR
-0.080
VOI1
-0.030
1.0
400
-1.7
50
5
2
3.4
3.4
Typ
3.0
0.3
VOCU
VOCR
VODL
VODR
VOI1
1.35
500
-1.35
100
17
5
10
3.7
0.1
3.7
0.1
Max UNIT
6.0 μA
0.6 μA
9.0 V
VOCU
+0.025
VOCR
+0.050
VODL
+0.080
VODR
+0.080
VOI1
+0.030
1.7
600
-1.0
V
V
V
V
V
V
kΩ
V
150 ms
30 ms
10 ms
50 μs
V
0.5 V
V
0.5 V
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
5/14
TD-0404004 Rev. 1.4
5 Page 
FS312
Lithium-ion/Polymer Battery Protection IC
3. Overdischarge Condition Charging by a Charger Normal Condition
Charger
Load
VOCU
VOCR
VODR
VODL
VDD
CSI
VDD
VSS
VDD
VOI2
VSS
VCH
TOD
TOD
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
11/14
TD-0404004 Rev. 1.4
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet FS312.PDF ] | |
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