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S-8253BAH-T8T1GZ Datasheet(PDF) 11 Page - Seiko Instruments Inc

Part # S-8253BAH-T8T1GZ
Description  BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-8253BAH-T8T1GZ Datasheet(HTML) 11 Page - Seiko Instruments Inc

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BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK
Rev.3.7_00
S-8253A/B Series
Seiko Instruments Inc.
11
3. Overcharge Detection Delay Time, Overdischarge Detection Delay Time
(Test Condition 3, Test Circuit 1)
Confirm that V1
= V2 = 3.5 V (S-8253A Series), V1 = V2 = V3 = 3.5 V (S-8253B Series), V4 = 0 V, V5 = 0 V, and the COP
pin and DOP pin are low (this status is referred to as the initial status).
3. 1 Overcharge Detection Delay Time (tCU)
The overcharge detection delay time (tCU) is the time it takes for the voltage of the COP pin to change from low to
high after the voltage of V1 is instantaneously changed from overcharge detection voltage 1 (VCU1)
− 0.2 V to
overcharge detection voltage 1 (VCU1)
+ 0.2 V (within 10 µs) starting at the initial status.
3. 2 Overdischarge Detection Delay Time (tDL)
The overdischarge detection delay time (tDL) is the time it takes for the voltage of the DOP pin to change from low to
high after the voltage of V1 is instantaneously changed from overdischarge detection voltage 1 (VDL1)
+ 0.2 V to
overdischarge detection voltage 1 (VDL1)
− 0.2 V (within 10 µs) starting at the initial status.
4. Overcurrent Detection Delay Time 1, Detection Delay Time 2, Detection Delay Time 3
(Test Condition 4, Test Circuit 1)
Confirm that V1
= V2 = 3.5 V (S-8253A Series), V1 = V2 = V3 = 3.5 V (S-8253B Series), V4 = 0 V, V5 = 0 V, and the COP
pin and DOP pin are low (this status is referred to as the initial status).
4. 1 Overcurrent Detection Delay Time 1 (tIOV1)
Overcurrent detection delay time 1 (tIOV1) is the time it takes for the voltage of the DOP pin to change from low to high
after the voltage of V5 is instantaneously changed to 0.35 V (within 10
µs) starting at the initial status.
4. 2 Overcurrent Detection Delay Time 2 (tIOV2)
Overcurrent detection delay time 2 (tIOV2) is the time it takes for the voltage of the DOP pin to change from low to high
after the voltage of V5 is instantaneously changed to 0.7 V (within 10
µs) starting at the initial status.
4. 3 Overcurrent Detection Delay Time 3 (tIOV3)
Overcurrent detection delay time 3 (tIOV3) is the time it takes for the voltage of the DOP pin to change from low to high
after the voltage of V5 is instantaneously changed to 1.6 V (within 10
µs) starting at the initial status.
5. Consumption on Operation, Power Consumption at Power-down
(Test Condition 5, Test Circuit 2)
5. 1 Power Consumption on Operation (IOPE)
The power consumption during operation (IOPE) is the current of the VSS pin (ISS) when V1
= V2 = 3.5 V (S-8253A
Series), V1
= V2 = V3 = 3.5 V (S-8253B Series), S1 = ON, and S2 = OFF.
5. 2 Power Consumption at Power-down (IPDN)
The power consumption at power-down (IPDN) is the current of the VSS pin (ISS) when V1
= V2 = 1.5 V (S-8253A
Series), V1
= V2 = V3 = 1.5 V (S-8253B Series), S1 = OFF, and S2 = ON.


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