S-8211E Series
www.ablicinc.com
© ABLIC Inc., 2009-2015
BATTERY PROTECTION IC
FOR 1-CELL PACK
Rev.2.4
_03
The S-8211E Series has high-accuracy voltage detections circuit and delay circuits.
The S-8211E Series is suitable for monitoring overcharge and overdischarge of 1-cell lithium ion / lithium polymer
rechargeable battery pack.
Features
(1) High-accuracy voltage detection circuit
Overcharge detection voltage
3.6 V to 4.5 V (5 mV step)
Accuracy
25
mV (25C)
Accuracy
30
mV (5C to
55C)
Accuracy
50
mV
Accuracy
50
mV
Accuracy
100
mV
(2)
(3)
(4)
(5)
(6)
Overcharge release voltage
3.5 V to 4.4 V
*1
Overdischarge detection voltage
2.0 V to 3.0 V (10 mV step)
*2
Overdischarge release voltage
2.0 V to 3.4 V
Detection delay times are generated by an internal circuit
(external capacitors are unnecessary)
Accuracy
20%
Wide operating temperature range
40C
to
85C
Low current consumption
During operation
3.0
A typ., 5.5
A max. (25C)
During overdischarge
2.0
A typ., 3.5
A max. (25C)
Output logic of CO pin is selectable.
Active “H”, Active “L”
*3
Lead-free, Sn 100%, halogen-free
*1.
Overcharge release voltage = Overcharge detection voltage
Overcharge hysteresis voltage
(Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)
*2.
Overdischarge release voltage = Overdischarge detection voltage
Overdischarge hysteresis voltage
(Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)
*3.
Refer to “
Product Name Structure”
for details.
Applications
Lithium-ion rechargeable battery pack
Lithium-polymer rechargeable battery pack
Packages
SOT-23-5
SNT-6A
1
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211E Series
Block Diagram
Rev.2.4
_03
VDD
Output control circuit
DO
Divider control
circuit
Oscillator control
circuit
Overcharge
detection
comparator
＋
－
CO
＋
－
Overdischarge
detection
comparator
VSS
VM
Remark
All diodes shown in figure are parasitic diodes.
Figure 1
2
Rev.2.4
_03
Product Name Structure
1. Product Name
S-8211E
xx
-
xxxx
U
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211E Series
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and IC packing specifications
*1
M5T1: SOT-23-5, Tape
I6T1: SNT-6A, Tape
Serial code
*2
Sequentially set from AA to ZZ
*1.
Refer to the tape drawing.
*2.
Refer to “3.
Product Name List”.
2. Packages
Drawing Code
Package
MP005-A-P-SD
PG006-A-P-SD
Tape
MP005-A-C-SD
PG006-A-C-SD
Reel
MP005-A-R-SD
PG006-A-R-SD
Land
PG006-A-L-SD
Package Name
SOT-23-5
SNT-6A
3
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211E Series
3. Product Name List
3. 1 SOT-23-5
Table 1
Product Name
S-8211EAC-M5T1U
S-8211EAF-M5T1U
S-8211EAG-M5T1U
S-8211EAJ-M5T1U
S-8211EAK-M5T1U
Overcharge
Detection
Voltage
[V
CU
]
3.600 V
3.650 V
3.800 V
4.180 V
3.600 V
Overcharge
Release
Voltage
[V
CL
]
3.600 V
3.550 V
3.600 V
4.180 V
3.600 V
Overdischarge
Detection
Voltage
[V
DL
]
2.00 V
2.00 V
2.00 V
2.50 V
2.00 V
Overdischarge
Release
Voltage
[V
DU
]
2.00 V
2.30 V
2.30 V
3.00 V
2.30 V
Delay Time
Combination
*1
(1)
(2)
(2)
(1)
(1)
Rev.2.4
_03
CO Pin
Output Form
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
CMOS output active “H”
CMOS output active “H”
*1.
Refer to the
Table 3
about the details of the delay time combinations (1), (2).
Remark
Please contact our sales office for the products with detection voltage value other than those specified above.
3. 2 SNT-6A
Table 2
Product Name
S-8211EAA-I6T1U
S-8211EAB-I6T1U
S-8211EAD-I6T1U
S-8211EAE-I6T1U
S-8211EAH-I6T1U
S-8211EAI-I6T1U
S-8211EAP-I6T1U
Overcharge
Detection
Voltage
[V
CU
]
4.220 V
4.270 V
4.220 V
4.220 V
4.000 V
3.800 V
4.280 V
Overcharge
Release
Voltage
[V
CL
]
4.220 V
4.270 V
4.220 V
4.220 V
3.800 V
3.700 V
4.080 V
Overdischarge
Detection
Voltage
[V
DL
]
2.00 V
2.00 V
2.50 V
2.30 V
3.00 V
2.30 V
2.50 V
Overdischarge
Release
Voltage
[V
DU
]
2.00 V
2.00 V
2.50 V
2.30 V
3.20 V
2.40 V
2.50 V
Delay Time
Combination
*1
(2)
(2)
(2)
(2)
(1)
(1)
(1)
CO Pin
Output Form
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
CMOS output active “L”
*1.
Refer to the
Table 3
about the details of the delay time combinations (1), (2).
Remark
Please contact our sales office for the products with detection voltage value other than those specified above.
Table 3
Delay Time
Combination
(1)
(2)
Remark
Overcharge Detection Delay Time
[t
CU
]
1.2 s
573 ms
Overdischarge Detection Delay Time
[t
DL
]
150 ms
300 ms
The delay times can be changed within the range listed
Table 4.
For details, please contact our sales office.
Table 4
Delay Time
Overcharge detection delay time
Overdischarge detection delay time
Remark
Symbol
t
CU
t
DL
Selection Range
143 ms
38 ms
573 ms
150 ms
1.2 s
300 ms
Remark
Select a value from the left.
Select a value from the left.
The value surrounded by bold lines is the delay time of the standard products.
4
Rev.2.4
_03
Pin Configurations
1.
SOT-23-5
SOT-23-5
Top view
5
4
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211E Series
Table 5
Pin No.
1
2
3
4
5
Symbol
VM
VDD
VSS
DO
CO
Description
Negative power supply input pin for CO pin
Input pin for positive power supply
Input pin for negative power supply
Output pin for overdischarge detection
(CMOS output)
Output pin for overcharge detection
(CMOS output)
1
2
Figure 2
3
2.
SNT-6A
SNT-6A
Top view
1
2
3
6
5
4
Table 6
Pin No.
1
No connection
Output pin for overcharge detection
2
CO
(CMOS output)
Output pin for overdischarge detection
3
DO
(CMOS output)
4
VSS
Input pin for negative power supply
5
VDD
Input pin for positive power supply
6
VM
Negative power supply input pin for CO pin
*1.
The NC pin is electrically open.
The NC pin can be connected to VDD pin or VSS pin.
Symbol
NC
*1
Description
Figure 3
5
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