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S-8259AAE-M6T1U Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-8259AAE-M6T1U Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 21 page S-8259A Series www.sii-ic.com BATTERY MONITORING IC FOR 1-CELL PACK © SII Semiconductor Corporation, 2015 Rev.1.0_02 1 The S-8259A Series is an IC including high-accuracy voltage detection circuits and delay circuits. The S-8259A Series is suitable for monitoring overcharge and overdischarge for 1-cell lithium-ion / lithium polymer rechargeable battery packs. Features • High-accuracy voltage detection circuit Overcharge detection voltage 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV Overcharge release voltage 3.1 V to 4.6 V*1 Accuracy ±50 mV Overdischarge detection voltage 2.0 V to 3.4 V (10 mV step) Accuracy ±50 mV Overdischarge release voltage 2.0 V to 3.4 V*2 Accuracy ±100 mV • Detection delay times are generated only by an internal circuit (external capacitors are unnecessary). • Wide operation temperature range: Ta = −40°C to +85°C • Low current consumption During operation: 1.5 μA typ., 3.0 μA max. (Ta = +25°C) During overdischarge: 2.0 μA max. (Ta = +25°C) • Lead-free (Sn 100%), halogen-free *1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (Overcharge hysteresis voltage can be selected from a range of 0 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 from a range of 0.1 V to 0.7 V in 100 mV step.) Applications • Lithium-ion rechargeable battery pack • Lithium polymer rechargeable battery pack Package • SOT-23-6 |
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