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S-8244AAOFN-CEOT2Z Datasheet(PDF) 9 Page - Seiko Instruments Inc |
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S-8244AAOFN-CEOT2Z Datasheet(HTML) 9 Page - Seiko Instruments Inc |
9 / 32 page BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.6.4_02 S-8244 Series 9 Electrical Characteristics Table 8 (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 V to 4.55 V Adjustment VCU1 −0.025 VCU1 VCU1 +0.025 V 1 1 Overcharge detection voltage 2 *1 VCU2 3.7 V to 4.55 V Adjustment VCU2 −0.025 VCU2 VCU2 +0.025 V 2 1 Overcharge detection voltage 3 *1 VCU3 3.7 V to 4.55 V Adjustment VCU3 −0.025 VCU3 VCU3 +0.025 V 3 1 Overcharge detection voltage 4 *1 VCU4 3.7 V to 4.55 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°C to +85°C*4 −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 *5 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*6 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°C 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. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. *5. After detecting the overcharge, the delay circuit operates normally in the range of operating voltage. *6. Output logic and CMOS or open drain output can be selected. |
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