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S-8209AAS-I8T1X Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-8209AAS-I8T1X Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 26 page S-8209A Series www.sii-ic.com BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION © Seiko Instruments Inc., 2008-2014 Rev.3.4_00 Seiko Instruments Inc. 1 The S-8209A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. The S-8209A Series 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. Features • High-accuracy voltage detection circuit Overcharge detection voltage *1 3.55 V to 4.40 V (5 mV step) Accuracy ±25 mV Overcharge release voltage *1 3.50 V to 4.40 V *2 Accuracy ±50 mV Cell-balance detection voltage *1 3.55 V to 4.40 V (5 mV step) *3 Accuracy ±25 mV Cell-balance release voltage *1 3.50 V to 4.40 V *4 Accuracy ±50 mV Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV Overdischarge release voltage 2.0 V to 3.4 V *5 Accuracy ±100 mV • Settable delay time by external capacitor for output pin • Control charging, discharging, cell-balance by CTLC pin and CTLD pin • Two types of cell-balance function; charge / discharge *6 • Wide range of operation temperature Ta = −40°C to +85°C • Low current consumption 7.0 μA max. • Lead-free, Sn 100%, halogen-free *7 *1. Regarding selection of overcharge detection voltage, overcharge release voltage, cell-balance detection voltage and cell-balance release voltage, refer to Remark 3 in "3. Product name list" of " Product Name Structure" *2. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (Overcharge hysteresis voltage is selectable in 0 V to 0.4 V, in 50 mV step.) *3. Select as to overcharge detection voltage > cell-balance detection voltage. *4. Cell-balance release voltage = Cell-balance detection voltage − Cell-balance hysteresis voltage (Cell-balance hysteresis voltage is selectable in 0 V to 0.4 V, in 50 mV step.) *5. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage (Overdischarge hysteresis voltage is selectable in 0 V to 0.7 V, in 100 mV step.) *6. Also available the product without discharge cell-balance function *7. Refer to " Product Name Structure" for details. Applications • Lithium-ion rechargeable battery pack • Lithium polymer rechargeable battery pack Packages • 8-Pin TSSOP • SNT-8A |
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