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S-8252ABT-M6T1U Datasheet(PDF) 10 Page - Seiko Instruments Inc |
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S-8252ABT-M6T1U Datasheet(HTML) 10 Page - Seiko Instruments Inc |
10 / 36 page BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8252 Series Rev.3.2_00 10 2. Ta = −40°C to +85°C *1 Table 10 (Ta = −40°C to +85°C *1 unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit DETECTION VOLTAGE Overcharge detection voltage n (n = 1, 2) VCUn − VCU − 0.045 VCU VCU + 0.030 V 1 Overcharge release voltage n (n = 1, 2) VCLn VCL ≠ VCU VCL − 0.070 VCL VCL + 0.040 V 1 VCL = VCU VCL − 0.050 VCL VCL + 0.030 V 1 Overdischarge detection voltage n (n =1, 2) VDLn − VDL − 0.085 VDL VDL + 0.060 V 2 Overdischarge release voltage n (n =1, 2) VDUn VDL ≠ VDU VDU − 0.140 VDU VDU + 0.110 V 2 VDL = VDU VDU − 0.085 VDU VDU + 0.060 V 2 Discharge overcurrent detection voltage VDIOV − VDIOV − 0.010 VDIOV VDIOV + 0.010 V 2 Load short-circuiting detection voltage VSHORT − 0.400 0.500 0.600 V 2 DETECTION VOLTAGE (WITH CHARGE OVERCURRENT DETECTION FUNCTION) Charge overcurrent detection voltage VCIOV − VCIOV − 0.020 VCIOV VCIOV + 0.020 V 2 DETECTION VOLTAGE (WITHOUT CHARGE OVERCURRENT DETECTION FUNCTION) Charger detection voltage VCHA − −1.2 −0.7 −0.2 V 2 0 V BATTERY CHARGE FUNCTION 0 V battery charge starting charger voltage V0CHA 0 V battery charge function "available" 0.0 0.7 1.5 V 2 0 V battery charge inhibition battery voltage V0INH 0 V battery charge function "unavailable" 0.3 0.8 1.3 V 2 INTERNAL RESISTANCE Resistance between VM pin and VDD pin RVMD V1 = V2 = 1.8 V, V3 = 0 V 78 300 1310 k Ω 3 Resistance between VM pin and VSS pin RVMS V1 = V2 = 3.5 V, V3 = 1.0 V 7.2 20 44 k Ω 3 INPUT VOLTAGE Operation voltage between VDD pin and VSS pin VDSOP1 − 1.5 − 10 V − INPUT CURRENT (WITH POWER-DOWN FUNCTION) Current consumption during operation IOPE V1 = V2 = 3.5 V, V3 = 0 V − 4.5 8.5 μA2 Current consumption during power-down IPDN V1 = V2 = 1.5 V, V3 = 3.0 V − − 0.15 μA 2 VC pin current IVC V1 = V2 = 3.5 V, V3 = 0 V 0.0 1.2 2.0 μA 2 INPUT CURRENT (WITHOUT POWER-DOWN FUNCTION) Current consumption during operation IOPE V1 = V2 = 3.5 V, V3 = 0 V − 4.5 8.5 μA2 Current consumption during overdischarge IOPED V1 = V2 = 1.5 V, V3 = 3.0 V − 2.5 5.5 μA2 VC pin current IVC V1 = V2 = 3.5 V, V3 = 0 V 0.0 1.2 2.0 μA 2 OUTPUT RESISTANCE CO pin resistance "H" RCOH V1 = V2 = 3.5 V, V3 = 0 V, V4 = 6.5 V 1.2 5 15 k Ω 4 CO pin resistance "L" RCOL V1 = V2 = 4.7 V, V3 = 0 V, V4 = 0.5 V 1.2 5 15 k Ω 4 DO pin resistance "H" RDOH V1 = V2 = 3.5 V, V3 = 0 V, V5 = 6.5 V 2.4 10 30 k Ω 4 DO pin resistance "L" RDOL V1 = V2 = 1.8 V, V3 = 3.6 V, V5 = 0.5 V 2.4 10 30 k Ω 4 DELAY TIME Overcharge detection delay time tCU − tCU × 0.3 tCU tCU × 2.0 − 5 Overdischarge detection delay time tDL − tDL × 0.3 tDL tDL × 2.0 − 5 Discharge overcurrent detection delay time tDIOV − tDIOV × 0.3 tDIOV tDIOV × 2.0 − 5 Load short-circuiting detection delay time tSHORT − tSHORT × 0.3 tSHORT tSHORT × 2.0 − 5 Charge overcurrent detection delay time tCIOV − tCIOV × 0.3 tCIOV tCIOV × 2.0 − 5 *1. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. |
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