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S-8244ABGFM-CFGT2U Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-8244ABGFM-CFGT2U Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 32 page S-8244 Series www.sii-ic.com BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) © SII Semiconductor Corporation, 2003-2015 Rev.6.4_02 1 The S-8244 Series is used for secondary protection of lithium-ion batteries with from one to four cells, and incorporates a high-precision voltage detector circuit and a delay circuit. Short-circuiting between cells makes it possible for serial connection of one to four cells. Features (1) Internal high-precision voltage detector circuit • Overcharge detection voltage range: 3.700 V to 4.550 V: Accuracy of ± 25 mV (at +25°C) (at a 5 mV/step) Accuracy of ± 50 mV (at −40°C to +85°C) • Hysteresis: 5 types 0.38 ± 0.1 V, 0.25 ± 0.07 V, 0.13 ± 0.04 V, 0.045 ± 0.02 V, None (2) High-withstand voltage: Absolute maximum rating: 26 V (3) Wide operating voltage range: 3.6 V to 24 V (refers to the range in which the delay circuit can operate normally after overvoltage is detected) (4) Delay time during detection: Can be set by an external capacitor. (5) Low current consumption: At 3.5 V for each cell: 3.0 μA max. (+25°C) At 2.3 V for each cell: 2.4 μA max. (+25°C) (6) Output logic and form: 5 types CMOS output active “H” CMOS output active “L” Pch open drain output active “L” Nch open drain output active “H” Nch open drain output active “L” (CMOS / Nch open drain output for 0.045 V hysteresis models) (7) Lead-free, Sn 100%, halogen-free*1 *1. Refer to “ Product Name Structure” for details. Applications • Lithium ion rechargeable battery packs (secondary protection) Packages • SNT-8A • 8-Pin MSOP • TMSOP-8 |
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