SA1412 Datasheet, PDF (2/5 Pages) Silan Microelectronics Joint-stock – TWO CELL LI+ BATTERY PROTECTION CIRCUIT

BLOCK DIAGRAM
SA1412
ABSOLUTE MAXIMUM RATING
Characteristics
Supply Voltage
CS Pin Voltage
OC Pin Voltage
Allowable Dissipation
Storage Temperature Range
Operating Temperature Range
Symbol
VCC max
VCSmax
VOCmax
Pd
Tstg
Tamb
Rating
-0.3~18
-0.6~VCC
-0.6~VCC
300
-40~125
-20~70
Unit
V
V
V
mV
°C
°C
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, take SA1412B for instance, Tamb=25°C)
Characteristics
Overcharge Detection Voltage
Symbol
Test condition
VOC Tamb=-20°C ~70°C;
Min. Typ. Max. Unit
4.275 4.300 4.325 _V
Overcharge Detection Hysteresis
Voltage
ǻVOC
170 220 270 mV
Overdischarge Detection Voltage
VOD
2.20 2.30 2.40 V
Consumption Current 1
Consumption Current 2
Consumption Current 3
Consumption Current 4
VL pin input Current
IVH1 VH=VL=1.0V, VCS=1.4V
--
--
0.1 µA
IVH2 VH=VL =1.9V, VCS=3.2V
--
0.5 0.8 µA
IVH3 VH=VL =3.5V
-- 18.0 23.0 µA
IVH4 VH=VL =4.5V,ROC=270 KΩ --
150
--
µA
IVL VH=VL =3.5V
-0.3
0
0.3 µA
Overdischarge Release Voltage
Discharge resume by
VDF
voltage rise
3.3 3.5 3.7
V
GD Pin H Output Voltage
GD Pin L Output Voltage
VGDH
VGDL
VH=VL =3.5V, IL=-10µA
VH=VL =3.5V, IL=10µA
VH-0.3 VH-0.2 --
V
--
0.2 0.3
V
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.2 2007.09.28
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