S-8211C Seiko, S-8211C Datasheet

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S-8211C

Manufacturer Part Number
S-8211C
Description
BATTERY PROTECTION IC
Manufacturer
Seiko
Datasheet

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Rev.5.0
BATTERY PROTECTION IC
FOR 1-CELL PACK
Features
Applications
Packages
(1) High-accuracy voltage detection circuit
(2) Detection delay times are generated by an internal circuit (external capacitors are unnecessary).
(3) High-withstanding-voltage device is used for charger connection pins
(4) 0 V battery charge function available / unavailable are selectable.
(5) Wide operating temperature range
(6) Low current consumption
(7) Small package
(8) Lead-free product
*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage
*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage
• Lithium-ion rechargeable battery packs
• Lithium polymer rechargeable battery packs
SOT-23-5
SNT-6A
• Overcharge detection voltage
• Overcharge release voltage
• Overdischarge detection voltage
• Overdischarge release voltage
• Discharge overcurrent detection voltage
• Load short-circuiting detection voltage
• Charge overcurrent detection voltage
• Operation mode
• Power-down mode
(VM pin and CO pin : Absolute maximum rating = 28 V)
(Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 to 0.4 V in 50 mV steps.)
(Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 to 0.7 V in 100 mV steps.)
Package Name
_00
MP005-A
PG006-A
Package
Seiko Instruments Inc.
3.9 to 4.4 V (5 mV steps)
0.05 to 0.30 V (10 mV steps)
0.5 V (fixed)
−0.1 V (fixed)
−40 to +85 °C
3.0
0.2
SOT-23-5, SNT-6A
3.8 to 4.4 V
2.0 to 3.0 V (10 mV steps)
2.0 to 3.4 V
The S-8211C Series are protection ICs for single-cell lithium-ion /
lithium polymer rechargeable batteries and include high-accuracy
voltage detectors and delay circuits.
These ICs are suitable for protecting single-cell rechargeable
lithium-ion / lithium polymer battery packs from overcharge,
overdischarge, and overcurrent.
µ
µ
A typ., 5.5
A max. (+25 °C)
MP005-A
PG006-A
Tape
*1
*2
µ
Drawing Code
A max. (+25 °C)
MP005-A
PG006-A
Accuracy ±25 mV (+25 °C)
Accuracy ±30 mV (−5 to +55 °C)
Accuracy ±50 mV
Accuracy ±50 mV
Accuracy ±100 mV
Accuracy ±15 mV
Accuracy ±200 mV
Accuracy ±30 mV
Accuracy ±20%
Reel
S-8211C Series
PG006-A
Land
1

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S-8211C Summary of contents

Page 1

... Packages Package Name SOT-23-5 SNT-6A The S-8211C Series are protection ICs for single-cell lithium-ion / lithium polymer rechargeable batteries and include high-accuracy voltage detectors and delay circuits. These ICs are suitable for protecting single-cell rechargeable lithium-ion / lithium polymer battery packs from overcharge, overdischarge, and overcurrent ...

Page 2

... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series Block Diagram VMD VM R VMS Remark All diodes shown in figure are parasitic diodes. www.DataSheet4U.com 2 Output control circuit 0 V battery charge circuit Divider control battery charge circuit inhibition circuit Charger detection circuit + − ...

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... Refer to the taping specifications. *2. Refer to the “2. Product Name List”. www.DataSheet4U.com BATTERY PROTECTION IC FOR 1-CELL PACK - xxxx G Package name (abbreviation) and IC packing specifications M5T1 : SOT-23-5, Tape I6T1 : SNT-6A, Tape *2 Serial code Sequentially set from Seiko Instruments Inc. S-8211C Series *1 3 ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series 2. Product Name List (1) SOT-23-5 Overcharge Detection Product Name / Item Voltage V CU S-8211CAA-M5T1G 4.275 V S-8211CAB-M5T1G 4.325 V S-8211CAD-M5T1G 4.350 V S-8211CAE-M5T1G 4.280 V S-8211CAF-M5T1G 4.275 V S-8211CAH-M5T1G 4.280 V S-8211CAI-M5T1G 4.280 V S-8211CAJ-M5T1G 4.280 V S-8211CAK-M5T1G 4.280 V S-8211CAL-M5T1G 4.280 V S-8211CAM-M5T1G 4.280 V S-8211CAN-M5T1G 4 ...

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... V 4.175 V 2.30 V 2.30 V 4.280 V 2.80 V 2.80 V 4.175 V 2.30 V 2.40 V 4.100 V 2.30 V 2.30 V 4.275 V 2.30 V 2.30 V 4.125 V 2.00 V 2.00 V 4.070 V 2.30 V 2.30 V 4.180 V 2.30 V 2.30 V Seiko Instruments Inc. S-8211C Series Discharge Overcurrent 0 V Battery Delay Time Detection Charge *1 Combination Voltage Function V DIOV Available (1) 0.10 V 0.15 V Unavailable (2) 0.20 V Available (3) 0.12 V Available (4) 0.10 V Available (5) 0 ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series Overcharge Delay Time Detection Combination Delay Time t CU (1) 1.2 s (2) 1.2 s (3) 143 ms (4) 1.2 s (5) 1.2 s (6) 1.2 s (7) 573 ms Remark The delay times can be changed within the range listed Table 4. For details, please contact our sales office. ...

Page 7

... Connection for negative power supply input 5 VDD Connection for positive power supply input Voltage detection between VM pin and VSS pin 6 VM (Overcurrent / charger detection pin) *1. The NC pin is electrically open. The NC pin can be connected to VDD or VSS. Seiko Instruments Inc. S-8211C Series Description Description 7 ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series Absolute Maximum Ratings Item Input voltage between VDD pin and VSS pin VM pin input voltage DO pin output voltage CO pin output voltage SOT-23-5 Power dissipation SNT-6A Operating ambient temperature Storage temperature *1. When mounted on board [Mounted board] (1) Board size: 114.3 mm × ...

Page 9

... 3 3 DOH 0 DOL higher than discharge overcurrent detection voltage (V SHORT Seiko Instruments Inc. S-8211C Series ( °C unless otherwise specified) Min. Typ. Max. Unit −0.025 +0.025 −0.03 +0 ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series 2. Except Detection Delay Time (−40 to +85 °C Item DETECTION VOLTAGE Overcharge detection voltage Overcharge release voltage Overdischarge detection voltage Overdischarge release voltage Discharge overcurrent detection voltage Load short-circuiting detection voltage Charge overcurrent detection voltage ...

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... Rev.5.0 _00 3. Detection Delay Time (1) S-8211CAA, S-8211CAH, S-8211CAI, S-8211CAJ, S-8211CAK,S-8211CAL, S-8211CAM, S-8211CAN, S- 8211CAR, S-8211CAS, S-8211CAU, S-8211CAY,S-8211CAZ, S-8211CBA, S-8211CBB Item DELAY TIME ( °C) Overcharge detection delay time Overdischarge detection delay time Discharge overcurrent detection delay time Load short-circuiting detection delay time Charge overcurrent detection delay time DELAY TIME (Ta = − ...

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... Load short-circuiting detection delay time Charge overcurrent detection delay time *1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. (4) S-8211CAE, S-8211CAT, S-8211CAX, S-8211CBR Item DELAY TIME ( °C) Overcharge detection delay time ...

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... Rev.5.0 _00 (5) S-8211CAF, S-8211CAO, S-8211CAP, S-8211CAQ, S-8211CBD, S-8211CBO Item DELAY TIME ( °C) Overcharge detection delay time Overdischarge detection delay time Discharge overcurrent detection delay time Load short-circuiting detection delay time Charge overcurrent detection delay time DELAY TIME (Ta = −40 to +85 °C) ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series (7) S-8211CBN Item DELAY TIME ( °C) Overcharge detection delay time Overdischarge detection delay time Discharge overcurrent detection delay time Load short-circuiting detection delay time Charge overcurrent detection delay time DELAY TIME (Ta = −40 to +85 °C) ...

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... defined as the voltage between the VM pin and VSS pin whose delay CIOV ) is the current that flows through the VDD pin (I OPE Seiko Instruments Inc. S-8211C Series ) and DO pin (V ) are CO DO goes CO goes from “ ...

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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series (7) Power-down Current Consumption (Test Condition 5, Test Circuit 2) The power-down current consumption ( 1.5 V (overdischarge status). (8) Resistance between VM Pin and VDD Pin (Test Condition 6, Test Circuit 3) The resistance between VM pin and VDD pin (R conditions 1 ...

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... VDD pin and VM pin at which 0CHA ) is defined as the voltage between the VDD pin and VSS pin at which 0INH Seiko Instruments Inc. S-8211C Series “L” after the voltage “L” after the voltage “ ...

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... DO Oscilloscope COM Figure 9 Test Circuit Oscilloscope V2 Seiko Instruments Inc VDD V1 S-8211C Series VSS COM Figure 6 Test Circuit 2 VDD V1 S-8211C Series VSS COM Figure 8 Test Circuit 4 Rev ...

Page 19

... In the case that the VM pin voltage is higher than or equal to the discharge overcurrent detection voltage (V S-8211C Series releases the overcharge status when the battery voltage falls below the overcharge detection voltage (V ) ...

Page 20

... VDD pin becomes 1.3 V (typ.) or higher. When a battery in the overdischarge status is connected to a charger and provided that the VM pin voltage is lower than -0.7 V (Typ.), the S-8211C Series releases the overdischarge status and turns the discharging FET on when the battery voltage reaches overdischarge detection voltage (V When a battery in the overdischarge status is connected to a charger and provided that the VM pin voltage is not lower than -0 ...

Page 21

... BATTERY PROTECTION IC FOR 1-CELL PACK ) or higher by removing the charger. CIOV ) or a higher voltage is applied between the EB+ and EB− pins by 0CHA ). lower, the charging control FET gate is 0INH Seiko Instruments Inc. S-8211C Series ) between the VM pin and VSS pin VMS ), the ...

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... When the battery voltage falls below overdischarge detection voltage (V S-8211C Series turns the discharging control FET off via overcurrent detection. In this case, if the recovery of the battery voltage is so slow that the battery voltage after the overdischarge detection delay www ...

Page 23

... Overcharge detection delay time (t *1 Mode *1. (1) : Normal mode (2) : Overcharge mode (3) : Overdischarge mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 1-CELL PACK ) Overdischarge detection delay time (t CU (1) (2) (1) Figure 11 Seiko Instruments Inc. S-8211C Series ) DL (3) (1) 23 ...

Page 24

... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series (2) Discharge Overcurrent Detection V CU − Battery voltage + pin voltage pin voltage pin voltage V SHORT V DIOV V SS Load connection Discharge overcurrent detection delay time (t ...

Page 25

... Normal mode (2) : Charge overcurrent mode (3) : Overdischarge mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 1-CELL PACK Overdischarge detection delay time(t ) CIOV ( ) Figure 13 Seiko Instruments Inc. S-8211C Series ) Charge overcurrent detection DL delay time (t ) CIOV ( ) ( ) ( ) ...

Page 26

... It has not been confirmed whether the operation is normal or not in circuits other than the above example of connection. In addition, the example of connection shown above and the constant do not guarantee proper operation. constant VDD Battery C1 S-8211C Series VSS DO CO FET1 FET2 Figure 14 Table 17 Constants for External Components Purpose Typ ...

Page 27

... Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. • SII claims no responsibility for any and all disputes arising out connection with any infringement by products including this IC of patents owned by a third party. www.DataSheet4U.com BATTERY PROTECTION IC FOR 1-CELL PACK Seiko Instruments Inc. S-8211C Series 27 ...

Page 28

... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series Characteristics (Typical Data) 1. Current Consumption (1) I vs. Ta OPE −40 −25 (3) I vs. V OPE Overcharge Detection / Release Voltage, Overdischarge Detection / Release Voltage, Overcurrent Detection Voltage, and Delay Time ( ...

Page 29

... Ta [°C] ( 7585 Ta [°C] (10 [°C] (12 [°C] Seiko Instruments Inc. S-8211C Series vs −40 − [°C] vs 200 190 180 170 160 ...

Page 30

... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series (13) t vs. V CIOV 3.0 (15) V vs. Ta SHORT 0.75 0.70 0.65 0.60 0.55 0.50 0.45 0.40 0.35 0.30 0.25 −40 −25 (17) t vs. Ta SHORT 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 www.DataSheet4U.com 0.1 0 −40 − pin / DO pin (1) I vs. V COH CO 0 −0.1 −0.2 −0.3 −0.4 −0 (14 ...

Page 31

... Rev.5.0 _00 (3) I vs. V DOH DO 0 −0.05 −0.10 −0.15 −0.20 −0.25 −0.30 0 www.DataSheet4U.com BATTERY PROTECTION IC FOR 1-CELL PACK ( [V] DO Seiko Instruments Inc. S-8211C Series vs. V DOL DO 0.20 0.15 0.10 0. 0.5 1.0 V [V] DO 1.5 31 ...

Page 32

... BATTERY PROTECTION IC FOR 1-CELL PACK S-8211C Series Marking Specifications (1) SOT-23-5 SOT-23-5 Top view 5 4 (1) (2) (3) ( Product Name vs. Product Code Product Name S-8211CAA-M5T1G S-8211CAB-M5T1G S-8211CAD-M5T1G S-8211CAE-M5T1G S-8211CAF-M5T1G S-8211CAH-M5T1G S-8211CAI-M5T1G S-8211CAJ-M5T1G S-8211CAK-M5T1G S-8211CAL-M5T1G S-8211CAM-M5T1G S-8211CAN-M5T1G S-8211CAO-M5T1G S-8211CAP-M5T1G www.DataSheet4U.com S-8211CAQ-M5T1G S-8211CAR-M5T1G S-8211CAS-M5T1G ...

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... Seiko Instruments Inc. S-8211C Series 33 ...

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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc ...

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