S-8209B Seiko Instruments, S-8209B Datasheet
S-8209B
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S-8209B Summary of contents
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... Packages Package Name SNT-8A 8-Pin TSSOP The S-8209B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. This IC has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION www.DataSheet4U.com S-8209B Series Block Diagram CTLD CTLC Remark The diodes in the IC are parasitic diodes. 2 Delay circuit Overcharge detection comparator Cell-balance detection comparator 400 nA Overdischarge detection 400 nA comparator Figure 1 Seiko Instruments Inc. Rev.2.2 8.31 MΩ + − + − ...
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... Rev.2.2 _00 Product Name Structure 1. Product Name (1) SNT-8A S-8209B XX - I8T1 G *1. Refer to the tape specifications at the end of this book. (2) 8-Pin TSSOP S-8209B XX - T8T1 S *1. Refer to the tape specifications at the end of this book. 2. Product Name List (1) SNT-8A Overcharge detection Product name / Item ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION www.DataSheet4U.com S-8209B Series Remark Please contact our sales office for the products with detection voltage value other than those specified above. Users are able to select the overcharge detection voltage, overcharge release voltage, cell-balance detection voltage and cell-balance release voltage from the range shown in Figure 2 and 3. ...
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... Remark For the external views, refer to the package drawings. Seiko Instruments Inc. S-8209B Series Table 3 Description Pin for charge control Pin for dischage control Connection pin for input positive power supply, for battery’s positive voltage Connection pin to capacitor for overcharge ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION www.DataSheet4U.com S-8209B Series Absolute Maximum Ratings Item Input voltage between VDD and VSS CB pin output voltage CDT pin voltage DO pin output voltage CO pin output voltage CTLC pin input voltage CTLD pin input voltage SNT-8A Power dissipation ...
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... Source current DO I DOH Leakage current DO I DOL *1. In the S-8209B Series, users are able to set delay time for the output pins. By using the following formula, delay time is calculated with the value of CDT pin’s resistance in the [s] = −ln (1− CDET = − ...
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... VSS Seiko Instruments Inc. Rev.2.2 CTLC CB CTLD CO S-8209B Series VDD DO CDT VSS A COM Figure 8 Test circuit 2 CTLC CB CTLD CO S-8209B Series DO VDD 100 CDT VSS kΩ Figure 10 Test circuit 4 A CTLC CB A CTLD CO S-8209B Series DO VDD CDT VSS COM Figure 12 Test circuit 6 ...
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... Rev.2.2 _00 CTLC CTLD S-8209B Series VDD CDT COM Figure 13 Test circuit 7 BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION VSS Seiko Instruments Inc. S-8209B Series A CTLC CB CTLD CO S-8209B Series VDD DO CDT VSS COM Figure 14 Test circuit ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION www.DataSheet4U.com S-8209B Series Operation Figure 15 shows the operation transition of S-8209B High High-Z Charge ≥ High ≥ High ≥ Discharge High *1. Operation of charge cell-balance function *2 ...
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... V or more CTLD CTLDH 5. Delay Circuit In the S-8209B Series, users are able to set delay time which is from detection of changes in V output to the CO, DO, CB pin. For example in the detection of overcharge status, when V C starts via the voltage between CDT and VSS (V ...
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... Example of Protection Circuit with S-8209B for Series Multi-Cells Figure 16 shows the example of protection circuit with the S-8209B for series multi-cells. Regarding the operation of protection circuit with the S-8209B for series-connected batteries, refer to the application note “S-8209B Series Usage Guidelines”. ...
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... 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. BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION Seiko Instruments Inc. S-8209B Series 13 ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION www.DataSheet4U.com S-8209B Series Characteristics (Typical Data) 1. Current consumption − Ta (1) I OPE −40 −25 2. Overcharge detection / release voltages, Cell-balance detection / release voltages, Overdischarge detection / release voltages − 4.12 4.11 4.10 4.09 4.08 4.07 −40 −25 0 − ...
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... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION (2) I 1.5 2.0 2.5 3.0 3.5 V [V] CO (4) I 3.0 3.5 4.0 4.5 V [ [°C] ( [°C] Seiko Instruments Inc. S-8209B Series − 3.5 V) DOH DO DS 2000 1750 1500 1250 1000 750 500 250 0 0 0.5 1.0 1.5 2.0 2.5 V [V] DO − 3.5 V) CBL CB ...
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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 ...