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S-8204AAF-TCT1y Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-8204AAF-TCT1y Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 34 page S-8204A Series www.sii-ic.com BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK © SII Semiconductor Corporation, 2007-2016 Rev.3.5_00 1 The S-8204A Series includes high-accuracy voltage detection circuits and delay circuits, in single use, makes it possible for users to monitor the status of 3-series or 4-series cell lithium-ion rechargeable battery. By switching the voltage level which is applied to the SEL pin, users are able to use the S-8204A Series either for 3-series or 4-series cell pack. By cascade connection using the S-8204A Series, it is also possible to protect 6-series or more cells *1 lithium-ion rechargeable battery pack. *1. Refer to the application note for connection examples of protection circuit for 6-series or more cells. In case of protecting 5-series cell lithium-ion rechargeable battery pack, contact our sales office. Features • High-accuracy voltage detection function for each cell Overcharge detection voltage n (n = 1 to 4) 3.8 V to 4.6 V (50 mV step) Accuracy ±25 mV Overcharge release voltage n (n = 1 to 4) 3.6 V to 4.6 V *1 Accuracy ±50 mV Overdischarge detection voltage n (n = 1 to 4) 2.0 V to 3.0 V (100 mV step) Accuracy ±80 mV Overdischarge release voltage n (n = 1 to 4) 2.0 V to 3.4 V *2 Accuracy ±100 mV • Discharge overcurrent detection function in 3-step Discharge overcurrent detection voltage 1 0.05 V to 0.30 V (50 mV step) Accuracy ±15 mV Discharge overcurrent detection voltage 2 0.5 V (fixed) Accuracy ±100 mV Load short-circuit detection voltage 1.0 V (fixed) Accuracy ±300 mV • Charge overcurrent detection function Charge overcurrent detection voltage −0.25 V to −0.05 V (50 mV step) Accuracy ±30 mV • Settable by external capacitor; overcharge detection delay time, overdischarge detection delay time, discharge overcurrent detection delay time 1, discharge overcurrent detection delay time 2, charge overcurrent detection delay time (Load short-circuit detection delay time is internally fixed.) • Switchable between 3-series and 4-series cell by using the SEL pin • Independent charge and discharge control by the control pins • High-withstand voltage Absolute maximum rating: 24 V • Wide operation voltage range 2 V to 22 V • Wide operation temperature range Ta = −40°C to +85°C • Low current consumption During operation 33 μA max. (Ta = +25°C) During power-down 0.1 μA max. (Ta = +25°C) • Lead-free, Sn 100%, halogen-free *3 *1. Overcharge hysteresis voltage n (n = 1 to 4) is selectable in 0 V, or in 0.1 V to 0.4 V in 50 mV step. (Overcharge hysteresis voltage = Overcharge detection voltage − Overcharge release voltage) *2. Overdischarge hysteresis voltage n (n = 1 to 4) is selectable in 0 V, or in 0.2 V to 0.7 V in 100 mV step. (Overdischarge hysteresis voltage = Overdischarge release voltage − Overdischarge detection voltage) *3. Refer to " Product Name Structure" for details. Application • Rechargeable lithium-ion battery pack Package • 16-Pin TSSOP |
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