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S-8203AAF-TCT1U Datasheet(PDF) 9 Page - Seiko Instruments Inc |
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S-8203AAF-TCT1U Datasheet(HTML) 9 Page - Seiko Instruments Inc |
9 / 30 page BATTERY PROTECTION IC FOR 3-SERIES CELL PACK Rev.1.0_00 S-8203A Series 9 Test Circuits 1. Current consumption during operation, current consumption during power-down (Test circuit 1) Set S1 and S2 to OFF. 1. 1 Current consumption during operation (IOPE) Set V1 = V2 = V3 = 3.5 V, S2 to ON. ISS is the current consumption during operation (IOPE) at that time. 1. 2 Current consumption during power-down (IPDN) (With power-down function) Set V1 = V2 = V3 = 1.5 V, S1 to ON. ISS is the current consumption during power-down (IPDN) at that time. 2. Overcharge detection voltage, overcharge release voltage, overdischarge detection voltage, overdischarge release voltage, discharge overcurrent detection voltage, load short-circuiting detection voltage, charge overcurrent detection voltage, CTLC pin change voltage, CTLD pin change voltage, load short-circuiting detection delay time, CTLC pin response time, CTLD pin response time (Test circuit 2) Set S3 to OFF. Confirm both VCO and VDO are in "H" (the voltage level is VDS × 0.9 V or higher) after setting V1 = V2 = V3 = 3.5 V, V6 = V7 = V8 = 0 V (this status is referred to as initial status 1). 2. 1 Overcharge detection voltage (VCU1), Overcharge release voltage (VCL1) The overcharge detection voltage (VCU1) is V1 when the VCO is set to "L" (the voltage level is VDS × 0.1 V or lower) after increasing V1 gradually after setting V1 = V2 = V3 = VCU − 0.05 V from the initial status 1. After that, decreasing V1 gradually, V1 is the overcharge release voltage (VCL1) when the VCO is set to "H" after setting V2 = V3 = 3.5 V. 2. 2 Overdischarge detection voltage (VDL1), overdischarge release voltage (VDU1) The overdischarge detection voltage (VDL1) is V1 when the VDO is set to "L" after decreasing V1 gradually from the initial status 1. After that, increasing V1 gradually, V1 is the overdischarge release voltage (VDU1) when VDO is set to "H". By changing Vn (n = 2 to 3), users can define the overcharge detection voltage (VCUn), the overcharge release voltage (VCLn), the overdischarge detection voltage (VDLn), the overdischarge release voltage (VDUn) as well when n = 1. 2. 3 Discharge overcurrent detection voltage (VDIOV) The discharge overcurrent detection voltage (VDIOV) is V6 when VDO is set to "L" after increasing V6 gradually from the initial status 1. 2. 4 Load short-circuiting detection voltage (VSHORT) The load short-circuiting detection voltage (VSHORT) is V6 when VDO is set to "L" after increasing V6 gradually after setting S3 to ON from the initial status 1. 2. 5 Charge overcurrent detection voltage (VCIOV) The charge overcurrent detection voltage (VCIOV) is V6 when VCO is set to "L" after decreasing V6 gradually from the initial status 1. 2. 6 CTLC pin change voltage (VCTLC) The CTLC pin change voltage (VCTLC) is V7 when VCO is set to "L" after increasing V7 gradually from the initial status 1. 2. 7 CTLD pin change voltage (VCTLD) The CTLD pin change voltage (VCTLD) is V8 when VDO is set to "L" after increasing V8 gradually from the initial status 1. 2. 8 Load short-circuiting detection delay time (tSHORT) Load short-circuiting detection delay time (tSHORT) is a period in which VDO changes to "L" after changing V6 to 1.5 V instantaneously, after setting S3 to ON from the initial status 1. |
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