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S-82T1A Datasheet(PDF) 12 Page - ABLIC Inc. |
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S-82T1A Datasheet(HTML) 12 Page - ABLIC Inc. |
12 / 41 page ![]() BATTERY PROTECTION IC WITH ALARM FUNCTION FOR 1-CELL PACK S-82T1A Series Rev.1.0_00 12 Test Circuits Caution 1. Unless otherwise specified, the output voltage levels "H" and "L" at CO pin (VCO) and DO pin (VDO) are judged by the threshold voltage (1.0 V) of the N-channel FET. Judge the CO pin level with respect to VVM and the DO pin level with respect to VSS. The output voltage levels "H" and "L" at the AO pin (VAO) are judged by VDD − 1.0 V. 2. Set SW to ON and OFF in AO pin Nch open-drain output and CMOS output, respectively. 1. Overcharge detection voltage, overcharge release voltage (Test circuit 1) Overcharge detection voltage (VCU) is defined as the voltage V1 at which VCO goes from "H" to "L" when the voltage V1 is gradually increased after setting V1 = 3.4 V. Overcharge release voltage (VCL) is defined as the voltage V1 at which VCO goes from "L" to "H" when the voltage V1 is then gradually decreased. Overcharge hysteresis voltage (VHC) is defined as the difference between VCU and VCL. 2. Alarm status detection voltage (Test circuit 1) 2. 1 AO pin output logic active "H" Alarm status detection voltage (VAU) is defined as the voltage V1 at which VAO goes from "L" to "H" when the voltage V1 is gradually increased after setting V1 = 3.4 V. Alarm release voltage (VAL) is defined as the voltage V1 at which VAO goes from "H" to "L" when the voltage V1 is then gradually decreased. Overcharge hysteresis voltage (VHA) is defined as the difference between VAU and VAL. 2. 2 AO pin output logic active "L" Alarm status detection voltage (VAU) is defined as the voltage V1 at which VAO goes from "H" to "L" when the voltage V1 is gradually increased after setting V1 = 3.4 V. Alarm release voltage (VAL) is defined as the voltage V1 at which VAO goes from "L" to "H" when the voltage V1 is then gradually decreased. Overcharge hysteresis voltage (VHA) is defined as the difference between VAU and VAL. 3. Overdischarge detection voltage, overdischarge release voltage (Test circuit 2) Overdischarge detection voltage (VDL) is defined as the voltage V1 at which VDO goes from "H" to "L" when the voltage V1 is gradually decreased after setting V1 = 3.4 V, V2 = V5 = 0 V. Overdischarge release voltage (VDU) is defined as the voltage V1 at which VDO goes from "L" to "H" when setting V2 = 0.01 V, V5 = 0 V and when the voltage V1 is then gradually increased. Overdischarge hysteresis voltage (VHD) is defined as the difference between VDU and VDL. 4. Discharge overcurrent 1 detection voltage, discharge overcurrent release voltage (Test circuit 5) Discharge overcurrent 1 detection voltage (VDIOV1) is defined as the voltage V5 at which delay time from when V5 is increased after setting V1 = 3.4 V, V2 = 1.4 V, V5 = 0 V to when VDO goes from "H" to "L" is discharge overcurrent 1 detection delay time (tDIOV1). Discharge overcurrent release voltage (VRIOV) is defined as the voltage V2 at which VDO goes from "L" to "H" when setting V2 = 3.4 V, V5 = 0 V and when the voltage V2 is then gradually decreased. When the voltage V2 falls below VRIOV, VDO will go to "H" after 1.0 ms typ. and maintain "H" during load short-circuiting detection delay time (tSHORT). 5. Discharge overcurrent 2 detection voltage (Test circuit 2) Discharge overcurrent 2 detection voltage (VDIOV2) is defined as the voltage V5 at which delay time from when V5 is increased after setting V1 = 3.4 V, V2 = 1.4 V, V5 = 0 V to when VDO goes from "H" to "L" is discharge overcurrent 2 detection delay time (tDIOV2). |
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