S-8211D Series
www.sii-ic.com
© Seiko Instruments Inc., 2005-2013
BATTERY PROTECTION IC
FOR 1-CELL PACK
Rev.6.4
_00
The S-8211D Series is a protection IC for 1-cell lithium-ion / lithium-polymer rechargeable battery and includes high-accuracy
voltage detection circuits and delay circuits.
The S-8211D Series is suitable for protecting 1-cell rechargeable lithium-ion / lithium-polymer battery packs from overcharge,
overdischarge, and overcurrent.
Features
•
High-accuracy voltage detection circuit
Overcharge detection voltage
Accuracy
±25
mV (Ta =
+25°C)
Accuracy
±30
mV (Ta =
−5°C
to
+55°C)
*1
Accuracy
±50
mV
Overcharge release voltage
3.5 V to 4.4 V
Overdischarge detection voltage
2.0 V to 3.0 V (10 mV step)
Accuracy
±50
mV
*2
Accuracy
±100
mV
Overdischarge release voltage
2.0 V to 3.4 V
Discharge overcurrent detection voltage
0.05 V to 0.30 V (10 mV step) Accuracy
±15
mV
Load short-circuiting detection voltage
0.5 V (fixed)
Accuracy
±200
mV
Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).
Accuracy
±20%
High-withstand voltage device is used for charger connection pins
(VM pin and CO pin: Absolute maximum rating = 28 V)
0 V battery charge function "available" / "unavailable" is selectable.
Power-down function "available" / "unavailable" is selectable.
Wide operation temperature range
Ta =
−40°C
to
+85°C
Low current consumption
During operation
3.0
μ
A typ., 5.5
μ
A max. (Ta =
+25°C)
During power-down
0.2
μ
A max. (Ta =
+25°C)
*3
Lead-free, Sn 100%, halogen-free
3.6 V to 4.5 V (5 mV step)
•
•
•
•
•
•
•
*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
Seiko Instruments Inc.
1
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
Block Diagram
Output control circuit
0 V battery charge /
charge inhibition circuit
Rev.6.4
_00
DO
Divider control
circuit
Oscillator control
circuit
VDD
+
CO
Charger detection circuit
−
+
−
Discharge overcurrent detection
comparator
Overcharge
detection
comparator
R
VMD
VM
+
R
VMS
−
+
−
Load short-circuiting detection
comparator
Overdischarge
detection
comparator
VSS
Remark
All diodes shown in figure are parasitic diodes.
Figure 1
2
Seiko Instruments Inc.
Rev.6.4
_00
Product Name Structure
1. Product name
1. 1 SOT-23-5
S-8211D xx - M5T1 x
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
Environmental code
U: Lead-free (Sn 100%), halogen-free
S: Lead-free, halogen-free
G: Lead-free (for details, please contact our sales office)
Package name (abbreviation) and IC packing specifications
M5T1: SOT-23-5, Tape
*1
Serial code
Sequentially set from AA to ZZ
*2
*1.
Refer to the tape drawing.
*2.
Refer to the "3.
Product name list".
1. 2 SNT-6A
S-8211D xx - I6T1 x
Environmental code
U: Lead-free (Sn 100%), halogen-free
G: Lead-free (for details, please contact our sales office)
Package name (abbreviation) and IC packing specifications
I6T1: SNT-6A, Tape
*1
Serial code
Sequentially set from AA to ZZ
*2
*1.
Refer to the tape drawing.
*2.
Refer to the "3.
Product name list".
Seiko Instruments Inc.
3
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
Rev.6.4
_00
2. Packages
Table 1 Package Drawing Codes
Package Name
SOT-23-5
SNT-6A
Dimension
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
3. Product name list
3. 1 SOT-23-5
Over-
charge
Detection
Voltage
[V
CU
]
Over-
charge
Release
Voltage
[V
CL
]
Table 2
Discharge
Over-
Over-
discharge discharge Overcurrent
Detection Release
Detection
Voltage
Voltage
Voltage
[V
DL
]
[V
DU
]
[V
DIOV
]
Product Name
0 V Battery
Delay Time Power-down
Charge
Combination
*1
Function
Function
Unavailable
Unavailable
Available
Unavailable
Available
Unavailable
Available
Unavailable
Available
Available
Available
Available
Available
Unavailable
Unavailable
Unavailable
Unavailable
Unavailable
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
Available
S-8211DAD-M5T1x
4.280 V
4.180 V
2.50 V
2.80 V
0.19 V
S-8211DAE-M5T1x
4.280 V
4.180 V
2.50 V
2.70 V
0.19 V
S-8211DAH-M5T1x
4.275 V
4.175 V
2.30 V
2.40 V
0.10 V
S-8211DAI-M5T1x
4.325 V
4.075 V
2.50 V
2.90 V
0.15 V
S-8211DAJ-M5T1x
4.280 V
4.080 V
3.00 V
3.00 V
0.08 V
S-8211DAK-M5T1x
4.280 V
4.080 V
2.30 V
2.30 V
0.13 V
S-8211DAL-M5T1x
4.280 V
4.080 V
2.80 V
2.80 V
0.10 V
S-8211DAM-M5T1x
4.275 V
4.075 V
2.50 V
2.90 V
0.15 V
S-8211DAR-M5T1x
3.600 V
3.600 V
2.00 V
2.30 V
0.15 V
S-8211DAS-M5T1x
3.600 V
3.500 V
2.50 V
2.80 V
0.10 V
S-8211DAU-M5T1y
3.650 V
3.550 V
2.50 V
2.80 V
0.15 V
S-8211DAV-M5T1y
3.700 V
3.600 V
2.50 V
2.80 V
0.05 V
S-8211DAW-M5T1y
3.800 V
3.700 V
2.50 V
2.80 V
0.10 V
S-8211DBB-M5T1U
4.350 V
4.150 V
2.10 V
2.20 V
0.26 V
S-8211DBD-M5T1U
4.350 V
4.150 V
2.10 V
2.20 V
0.11 V
S-8211DBE-M5T1U
4.350 V
4.150 V
2.10 V
2.20 V
0.14 V
S-8211DBF-M5T1U
4.230 V
4.080 V
3.00 V
3.10 V
0.15 V
S-8211DBG-M5T1U
4.250 V
4.050 V
2.70 V
3.00 V
0.20 V
*1.
Refer to
Table 4
about the details of the delay time combinations (1).
Remark 1.
Please contact our sales office for the products with detection voltage value other than those specified above.
2.
x: G or U
y: S or U
3.
Please select products of environmental code = U for Sn 100%, halogen-free products.
4
Seiko Instruments Inc.
Rev.6.4
_00
BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211D Series
3. 2 SNT-6A
Table 3
Over-
charge
Detection
Voltage
[V
CU
]
4.280 V
4.280 V
4.250 V
4.280 V
4.325 V
4.280 V
4.280 V
4.280 V
4.280 V
3.900 V
3.800 V
4.000 V
4.250 V
Over-
charge
Release
Voltage
[V
CL
]
4.180 V
4.180 V
4.050 V
4.080 V
4.075 V
4.080 V
4.080 V
4.080 V
4.080 V
3.900 V
3.500 V
3.900 V
4.150 V
Discharge
Over-
Over-
discharge discharge Overcurrent
Detection
Detection Release
Voltage
Voltage
Voltage
[V
DL
]
[V
DU
]
[V
DIOV
]
2.50 V
2.50 V
2.40 V
2.30 V
2.50 V
2.30 V
2.30 V
2.70 V
2.00 V
2.00 V
2.40 V
2.35 V
3.00 V
2.80 V
2.70 V
2.90 V
2.30 V
2.90 V
3.00 V
2.30 V
2.70 V
2.00 V
2.30 V
2.70 V
2.65 V
3.10 V
0.19 V
0.19 V
0.10 V
0.08 V
0.15 V
0.10 V
0.10 V
0.08 V
0.11 V
0.15 V
0.07 V
0.10 V
0.20 V
0 V Battery
Delay Time Power-down
Charge
Combination
*1
Function
Function
Unavailable
Unavailable
Available
Available
Unavailable
Unavailable
Unavailable
Unavailable
Unavailable
Available
Available
Available
Unavailable
(1)
(1)
(2)
(1)
(1)
(3)
(3)
(3)
(3)
(1)
(1)
(1)
(1)
Available
Available
Unavailable
Unavailable
Available
Available
Available
Available
Available
Available
Available
Available
Available
Product Name
S-8211DAD-I6T1x
S-8211DAE-I6T1x
S-8211DAF-I6T1x
S-8211DAG-I6T1x
S-8211DAI-I6T1x
S-8211DAN-I6T1x
S-8211DAQ-I6T1x
S-8211DAT-I6T1x
S-8211DAX-I6T1x
S-8211DAY-I6T1x
S-8211DAZ-I6T1x
S-8211DBA-I6T1x
S-8211DBC-I6T1x
*1.
Refer to
Table 4
about the details of the delay time combinations (1) to (3).
Remark 1.
Please contact our sales office for the products with detection voltage value other than those specified above.
2.
x: G or U
3.
Please select products of environmental code = U for Sn 100%, halogen-free products.
Table 4
Delay Time
Combination
(1)
(2)
(3)
Remark
Overcharge Detection
Delay Time
[t
CU
]
1.2 s
1.2 s
1.2 s
Overdischarge Detection
Delay Time
[t
DL
]
150 ms
75 ms
150 ms
Discharge Overcurrent
Detection Delay Time
[t
DIOV
]
9 ms
9 ms
18 ms
Load Short-circuiting
Detection Delay Time
[t
SHORT
]
300
μs
300
μs
300
μs
The delay times can be changed within the range listed
Table 5.
For details, please contact our sales office.
Table 5
Delay Time
Overcharge detection delay time
Overdischarge detection delay time
Discharge overcurrent detection delay time
Load short-circuiting detection delay time
Symbol
t
CU
t
DL
t
DIOV
t
SHORT
38 ms
4.5 ms
−
Selection Range
143 ms
573 ms
150 ms
*1
9 ms
*1
300
μs
*1
1.2 s
*1
Remark
Select a value from the left.
Select a value from the left.
Select a value from the left.
Select a value from the left.
300 ms
18 ms
560
μs
*1.
The value is the delay time of the standard products.
Seiko Instruments Inc.
5
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