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S-8244 Series
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BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
Rev.7.1_00
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.
S-8244 Datasheet
