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S-8253A Datasheet, PDF (13/32 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK
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Rev.3.7_00
BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK
S-8253A/B Series
10. VC1 Pin Current, VC2 Pin Current
(Test Condition 9, Test Circuit 3)
10. 1 VC1 Pin Current (IVC1), VC2 Pin Current (IVC2)
The VC1 pin current (IVC1) is the current that flows through the VC1 pin when V1 = V2 = 3.5 V (S-8253A Series), V1
= V2 = V3 = 3.5 V (S-8253B Series), and S3 = OFF, S4 = ON. Similarly, the VC2 pin current (IVC2) is the current that
flows through the VC2 pin under these conditions (S-8253B Series only).
11. COP Pin Leakage Current, COP Pin Sink Current
(Test Condition 10, Test Circuit 4)
11. 1 COP Pin Leakage Current (ICOH)
The COP pin leakage current (ICOH) is the current that flows through the COP pin when V1 = V2 = 12 V (S-8253A
Series), V1 = V2 = V3 = 8 V (S-8253B Series), S6 = S7 = S8 = OFF, and S5 = ON.
11. 2 COP Pin Sink Current (ICOL)
The COP pin sink current (ICOL) is the current that flows through the COP pin when V1 = V2 = 3.5 V (S-8253A
Series), V1 = V2 = V3 = 3.5 V (S-8253B Series), V6 = 0.5 V, S5 = S7 = S8 = OFF, and S6 = ON.
12. DOP Pin Source Current, DOP Pin Sink Current
(Test Condition 11, Test Circuit 4)
12. 1 DOP Pin Source Current (IDOH)
The DOP pin source current (IDOH) is the current that flows through the DOP pin when V1 = V2 = 1.8 V (S-8253A
Series), V1 = V2 = V3 = 1.8 V (S-8253B Series), V7 = 0.5 V, S5 = S6 = S8 = OFF, and S7 = ON.
12. 2 DOP Pin Sink Current (IDOL)
The DOP pin sink current (IDOL) is the current that flows through the DOP pin when V1 = V2 = 3.5 V (S-8253A
Series), V1 = V2 = V3 = 3.5 V (S-8253B Series), V8 = 0.5 V, S5 = S6 = S7 = OFF, and S8 = ON.
13. 0 V Battery Charge Starting Battery Charger Voltage (Product with 0 V Battery Charge Function),
0 V Battery Charge Inhibition Battery Voltage (Product with 0 V Battery Charge Inhibition Function)
(Test Condition 12, Test Circuit 5)
13. 1 0 V Battery Charge Starting Battery Charger Voltage (V0CHA) (Product with 0 V Battery Charge Function)
The COP pin voltage should be lower than V0CHA max. − 1 V when V1 = V2 = 0 V (S-8253A Series), V1 = V2 = V3 =
0 V (S-8253B Series), and V9 = VVMP = V0CHA max.
13. 2 0 V Battery Charge Inhibition Battery Voltage (V0INH) (Product with 0 V Battery Charge Inhibition Function)
The COP pin voltage should be higher than VVMP − 1 V when V1 = V2 = V0INH min. (S-8253A Series), V1 = V2 = V3
= V0INH min. (S-8253B Series), and V9 = VVMP = 24 V.
Seiko Instruments Inc.
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