SA45141 Datasheet, PDF (4/9 Pages) Silan Microelectronics Joint-stock – THREE OR FOUR-CELL LI+ BATTERY PROTECTION CIRCUIT

Characteristics
OV Pin Sink Current
OV Pin Leak Current
CON Pin Low Voltage
CON Pin High Voltage
CON Pin Current
SEL Pin Low Voltage
SEL Pin High Voltage
SEL Pin Current
PIN CONFIGURATIONS
Symbol
Test conditions
ISIOV VOV=0.4V
ILKOV VOV=24V
VCONL DCHG=“HIGH”
VCONH DCHG= “LOW”
ICON VCELL=3.5V, CON=0.4V
VSELL 3 cells
VSELH 4 cells
ISEL VCELL=3.5V, SEL=0.4V
Min.
100
--
--
VCC-0.4
--
--
VCC-0.4
--
Typ.
--
--
--
--
1
--
--
1
Max.
--
0.1
0.4
--
2
0.4
--
2
Unit
μA
μA
V
V
μA
V
V
μA
PIN DESCRIPTION
Pin no. Pin name
I/O
Description
1
OV
O
Overcharge detection output pin
2
NC
--
Not connected
3
CS
I
Overcurrent detection input pin
4
NC
--
Not connected
5
DCHG
O
Discharge control FET drive output pin
Normal state: DCHG=Low; Overdischarge state: DCHG=High
6
NC
--
Not connected
7
CDC
--
Overdischarge detection dead time setting pin
8
COL
--
Overcurrent detection dead time setting pin
9
COV
10
GND
--
Overcharge detection dead time setting pin
--
Ground
11
SEL
12
NC
I
3 or 4 cell select switch pin
SEL=V1 or GND:3 cell ; SEL=Vcc:4 cell
--
Not connected
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: //www.silan.com.cn
REV:1.5 2009.06.05
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