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S-8213AAK-I6T1U Datasheet(PDF) 8 Page - Seiko Instruments Inc |
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S-8213AAK-I6T1U Datasheet(HTML) 8 Page - Seiko Instruments Inc |
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8 / 28 page  BATTERY PROTECTION IC FOR 2-SERIAL / 3-SERIAL CELL PACK (SECONDARY PROTECTION) S-8213 Series Rev.1.3_03 8 Test Circuits 1. Overcharge detection voltage, overcharge hysteresis voltage (Test circuit 1) Set SW1 to OFF and ON in CMOS output product and Nch open-drain output product, respectively. 1. 1 Overcharge detection voltage n (VCUn) Set V1 = V2 = V3 = VCU − 0.05 V. The Overcharge detection voltage 1 (VCU1) is the V1 voltage when the CO pin’s output changes after the voltage of V1 has been gradually increased. Overcharge detection voltage VCUn (n = 2, 3) can be determined in the same way as when n = 1. 1. 2 Overcharge hysteresis voltage n (VHCn) Set V1 = VCU + 0.05 V, V2 = V3 = 2.5 V. The overcharge hysteresis voltage 1 (VHC1) is the difference between V1 voltage and VCU1 when the CO pin’s output changes after the V1 voltage has been gradually decreased. Overcharge hysteresis voltage VHCn (n = 2, 3) can be determined in the same way as when n = 1. 2. Output current (Test circuit 5) Set SW1 and SW2 to OFF. 2. 1 Active "H" 2. 1. 1 CO pin source current (ICOH) Set SW1 to ON after setting V1 = 5.0 V, V2 = V3 = 3.0 V, V4 = 0.5 V. I1 is the CO pin source current (ICOH) at that time. 2. 1. 2 CO pin sink current (ICOL) Set SW2 to ON after setting V1 to V3 = 3.5 V, V5 = 0.5 V. I2 is the CO pin sink current (ICOL) at that time. 2. 1. 3 CO pin leakage current (ICOLL) Set SW2 to ON after setting V1 = 5.0 V, V2 = V3 = 3.0 V, V5 = 26 V. I2 is the CO pin leakage current (ICOLL) at that time. 2. 2 Active "L" 2. 2. 1 CO pin source current (ICOH) Set SW1 to ON after setting V1 to V3 = 3.5 V, V4 = 0.5 V. I1 is the CO pin source current (ICOH) at that time. 2. 2. 2 CO pin sink current (ICOL) Set SW2 to ON after setting V1 = 5.0 V, V2 = V3 = 3.0 V, V5 = 0.5 V. I2 is the CO pin sink current (ICOL) at that time. 2. 2. 3 CO pin leakage current (ICOLL) Set SW2 to ON after setting V1 to V3 = 3.5 V, V5 = 26 V. I2 is the CO pin leakage current (ICOLL) at that time. |
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