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S-8243BADFT-TB-G Datasheet(PDF) 10 Page - Seiko Instruments Inc |
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S-8243BADFT-TB-G Datasheet(HTML) 10 Page - Seiko Instruments Inc |
10 / 34 page BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK S-8243A/B Series Rev.2.4_00 Seiko Instruments Inc. 10 (2) S-8243B Series Table 7 (1/2) (Ta = 25°C unless otherwise specified) Item Symbol Conditions Min. Typ. Max. Unit Test circuit DETECTION VOLTAGE Overcharge detection voltage n n =1, 2, 3, 4 VCUn 3.9 V to 4.4 V, 50 mV Step VCUn −0.025 VCun VCUn +0.025 V 4 Hysteresis voltage n of overcharge detection n =1, 2, 3, 4 VHCn −0.10 V to −0.40 V, and 0 V VHCn −0.05 VHCn VHCn +0.05 V 4 Overdischarge detection voltage n =1, 2, 3, 4 VDLn 2.0 V to 3.0 V, 100 mV Step VDLn −0.08 VDLn VDLn +0.08 V 4 Hysteresis voltage n of overdischarge detection n =1, 2, 3, 4 VHDn 0.20 to 0.70, and 0 VHDn −0.10 VHDn VHDn +0.10 V 4 Overcurrent detection voltage 1 VIOV1 0.05 V to 0.3 V, 50 mV Step VIOV1 −0.025 VIOV1 VIOV1 +0.025 V 4 Overcurrent detection voltage 2 VIOV2 ⎯ VDD−0.60 VDD−0.50 VDD−0.40 V 4 Overcurrent detection voltage 3 VIOV3 ⎯ VDD ×0.425 VDD ×0.5 VDD ×0.575 V 4 Temperature coefficient for detection and release voltage *1 TCOE1 Ta = −5°C to +55°C −1.0 0 1.0 mV/ °C4 Temperature coefficient for overcurrent detection voltage *2 TCOE2 Ta = −5°C to +55°C −0.5 0 0.5 mV/ °C4 0 V BATTERY CHARGING FUNCTION (The 0 V battery function is either "0 V battery charging is allowed." or "0 V battery charging is inhibited." depending upon the product type.) 0 V battery charge starting charger voltage V0CHA 0 V battery charging allowed ⎯ 0.8 1.5 V 7 0 V battery charge inhibition battery voltage V0INH 0 V battery charging inhibited 0.4 0.7 1.1 V 7 INTERNAL RESISTANCE Internal resistance between VMP and VDD RVDM V1 =V2=V3=V4=3.5 V 500 1100 2400 k Ω 8 Internal resistance between VMP and VSS RVSM V1 =V2=V3=V4=1.8 V 300 700 1500 k Ω 8 VOLTAGE REGULATOR Output voltage VOUT VDD=14V, IOUT=3 mA 3.221 3.300 3.379 V 2 Line regulation ΔV OUT1 VDD=6 V→18 V, IOUT=3 mA ⎯ 5 15 mV 2 Load regulation ΔV OUT2 VDD=14 V, IOUT=5 μA→3 mA ⎯ 15 30 mV 2 BATTERY MONITOR AMP Input offset voltage n n =1, 2, 3, 4 VOFFn V1 =V2=V3= V4=3.5 V 60 165 270 mV 3 Voltage gain n n =1, 2, 3, 4 GAMPn V1 =V2=V3= V4=3.5 V 0.2 ×0.99 0.2 0.2 ×1.01 ⎯ 3 INPUT VOLTAGE, OPERATING VOLTAGE Operating voltage between VDD and VSS VDSOP ⎯ 6 ⎯ 18 V 4 CTL1 input voltage for High VCTL1H ⎯ VDD×0.8 ⎯ ⎯ V 6 CTL1 input voltage for Low VCTL1L ⎯ ⎯ ⎯ VDD×0.2 V 6 CTLn input voltage for High n =2, 3, 4 VCTLnH ⎯ VOUT×0.9 ⎯ VOUT V 3, 6 CTLn input voltage for Low n =2, 3, 4 VCTLnL ⎯ ⎯ ⎯ VOUT×0.1 V 3, 6 |
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