SC121 SILAN [Silan Microelectronics Joint-stock], SC121 Datasheet - Page 3
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SC121
Manufacturer Part Number
SC121
Description
LI+ BATTERY PROTECTION CIRCUIT
Manufacturer
SILAN [Silan Microelectronics Joint-stock]
Datasheet
1.SC121.pdf
(9 pages)
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PIN CONFIGURATION
PIN DESCRIPTIONS
HANGZHOU MICROELECTRONICS CO.,LTD
Http:// www.silan.com.cn
0 V battery charge starting charger
voltage
Voltage
Delay Time
Over Current 1 Detection Voltage
Over Current 2(Short Current)Detection
Over Current Reset Resistor
Charger Detection Voltage
Delay Time
Over Charge Detection Delay Time
Over Discharge Detection Delay Time
Over Current 1 Detection Delay Time
Other
OC Pin Output “ H” Voltage
OC Pin Output “ L” Voltage
OD Pin Output “ H” Voltage
OD Pin Output “ L” Voltage
Over Current 2(Short Current)Detection
PIN No.
1
2
3
4
5
6
Characteristics
Symbol
V
V
CSI
OD
OC
TD
DD
SS
I/O
I/O
O
O
I
I
I
FET gate connection pin for discharge control.
Input pin for current sense, charger detect.
FET gate connection pin for charge control.
Test pin for reduce delay time.
Positive power input pin.
Negative power input pin.
Symbol
V
V
R
V
V
V
V
T
T
T
T
V
V
OCHA
CH
short
OI1
OI2
OI1
OI2
oh1
oh2
OC
OD
ol1
ol2
V
V
V
V
V
V
SC121NA
DD
DD
DD
DD
DD
DD
=3.6V~4.4V
=3.6V
=3.6V
=3.6V~2.0V
=3.6V
=3.6V
Status
Description
V
V
Min.
DD
DD
0.13
1.55
0.80
400
150
-0.8
80
5
-0.1 V
-0.1 V
DD
DD
Typ.
0.15
0.01
0.01
1.00
500
340
200
-0.5
13
5
-0.02
-0.02
REV:1.6
Max.
0.17
1.20
600
-0.2
500
300
0.1
0.1
20
50
Page 3 of 9
SC121
2009.07.20
Unit
ms
ms
ms
k
V
V
V
V
V
V
V
V
s