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S-8244AALFN-CELT2G Datasheet(PDF) 7 Page - Seiko Instruments Inc |
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S-8244AALFN-CELT2G Datasheet(HTML) 7 Page - Seiko Instruments Inc |
7 / 27 page BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.3.3_00 S-8244 Series Seiko Instruments Inc. 7 Electrical Characteristics Table 6 (Ta = 25 °C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Unit Test conditions Test circuit DETECTION VOLTAGE Overcharge detection voltage 1 *1 VCU1 3.7 to 4.5 V Adjustment VCU1 −0.025 VCU1 VCU1 +0.025 V 1 1 Overcharge detection voltage 2 *1 VCU2 3.7 to 4.5 V Adjustment VCU2 −0.025 VCU2 VCU2 +0.025 V 2 1 Overcharge detection voltage 3 *1 VCU3 3.7 to 4.5 V Adjustment VCU3 −0.025 VCU3 VCU3 +0.025 V 3 1 Overcharge detection voltage 4 *1 VCU4 3.7 to 4.5 V Adjustment VCU4 −0.025 VCU4 VCU4 +0.025 V 4 1 Overcharge hysteresis voltage 1 *2 VCD1 0.28 0.38 0.48 V 1 1 Overcharge hysteresis voltage 2 *2 VCD2 0.28 0.38 0.48 V 2 1 Overcharge hysteresis voltage 3 *2 VCD3 0.28 0.38 0.48 V 3 1 Overcharge hysteresis voltage 4 *2 VCD4 0.28 0.38 0.48 V 4 1 Detection voltage temperature coefficient *3 TCOE Ta =−40 to +85 °C −0.4 0.0 +0.4 mV/ °C DELAY TIME Overcharge detection delay time tCU C =0.1 µF 1.0 1.5 2.0 s 5 2 OPERATING VOLTAGE Operating voltage between VCC and VSS *4 VDSOP 3.6 24 V CURRENT CONSUMPTION Current consumption during normal operation IOPE V1 =V2=V3=V4=3.5 V 1.5 3.0 µA 6 3 Current consumption at power down IPDN V1 =V2=V3=V4=2.3 V 1.2 2.4 µA 6 3 VC1 sink current IVC1 V1 =V2=V3=V4=3.5 V −0.3 0.3 µA 6 3 VC2 sink current IVC2 V1 =V2=V3=V4=3.5 V −0.3 0.3 µA 6 3 VC3 sink current IVC3 V1 =V2=V3=V4=3.5 V −0.3 0.3 µA 6 3 OUTPUT VOLTAGE *5 CO “H” voltage VCO(H) at IOUT = 10 µA VCC −0.05 V 7 4 CO “L” voltage VCO(L) at IOUT = 10 µA VSS +0.05 V 7 4 *1. ±50 mV when Ta = −40 to +85 °C. *2. 0.25±0.07 V, 0.13±0.04 V, 0.045±0.02 V except for 0.38 V hysteresis models. *3. Overcharge detection voltage or overcharge hysteresis voltage. *4. After detecting the overcharge, the delay circuit operates normally in the range of operating voltage. *5. Output logic and CMOS or open drain output can be selected. |
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