SC8201 Silan Microelectronics, SC8201 Datasheet - Page 3

• Manufacturer Part Number: SC8201
• Description: ONE-CELL LI BATTERY PROTECTION CIRCUIT
• Manufacturer: Silan Microelectronics

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PIN CONFIGURATION
PIN DESCRIPTIONS
FUNCTION DESCRIPTIONS
Normal state
control the charge/discharge state) are both turned on. The charging and discharging processes can be operated
normally at this time.
Overcharge Detection
battery voltage V
state and M2 is to be turned off.
Release of Overcharge State
HANGZHOU MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
PIN No.
When enter overcharge state from normal state, the battery voltage can be detected from V
There are two ways to return to normal state from overcharge state.
If V
• If the battery is self discharging and V
• Remove the charger and connected to a load. If V
on and back to normal state.
1
2
3
4
5
6
ODL
<V
DD
Symbol
<V
V
V
CSI
OD
OC
TD
DD
DD
SS
OCU
is larger than V
and V
I/O
I/O
O
O
I
I
I
CH
<V
CSI
FET gate connection pin for discharge control.
Detecting pin for current sense, charger detect.
FET gate connection pin for charge control.
Test pin for delay time.
Positive power input pin.
Negative power input pin.
OCU
<V
OI1
over a delay time of T
DD
, M1 and M2 (refer to the typical application circuit, they are used to
<V
OCR
occurs, M2 is to be turned on and back to normal state.
OCR
<V
DD
OC
<V
, then enter the overcharge state from normal
OCU
Description
and V
CSI
>V
OI1
occurs, M2 is to be turned
REV:1.3
DD
Page 3 of 10
SC8201
2008.06.25
. When the