s-8264a Seiko Instruments Inc., s-8264a Datasheet - Page 10

• Manufacturer Part Number: s-8264a
• Description: Battery Protection Ic For 2-serial To 4-serial-cell Pack Secondary Protection
• Manufacturer: Seiko Instruments Inc.

10
BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)
S-8264A/B Series
(6) Test Condition 6, Test Circuit 2
(7) Test Condition 7, Test Circuit 4
(8) Test Condition 8, Test Circuit 5
(9) Test Condition 9, Test Circuit 6
Set V1, V2, V3, and V4 to 3.5 V and V5 to 0 V. The CTL input “H” voltage (V
CO is “L” after V5 has been gradually increased. Next, set V5 to 14 V. The CTL input “L” voltage (V
voltage of V5 when CO is “H” after V5 has been gradually decreased.
The current consumption during operation (I
when V1, V2, V3, and V4 are set to 3.5 V.
The current consumption during overdischarge (I
pin when V1, V2, V3, and V4 are set to 2.3 V.
The SENSE pin current (I
(I
The CTL pin “L” current (I
Set SW1 to OFF and SW2 to ON. The CO pin sink current (I
to 0.5 V.
Set SW1 and SW2 to OFF. Set V1 to V5, set V2, V3, and V4 to 3.0 V, and set V5 to 0.5 V. After t
SW1 to ON and SW2 to OFF. I1 is the CO pin source current (I
VC3
) is I4, and the CTL pin “H” current (I
SENSE
CTLL
) is I5 when V1, V2, V3, and V4 are set to 3.5 V and V5 to 0 V.
) is I1, the VC1 pin current (I
CTLH
Seiko Instruments Inc.
) is I5 when V1, V2, V3, and V4 are set to 3.5 V, and V5 to 14 V.
OPE
) is the total of the currents that flow in the VDD pin and SENSE pin
OPED
) is the total of the currents that flow in the VDD pin and SENSE
VC1
COL
) is I2, the VC2 pin current (I
) is I2 when V1, V2, V3, and V4 are set to 3.5 V and V6
COH
).
CTLH
) is the maximum voltage of V5 when
VC2
) is I3, the VC3 pin current
CTLL
CU
has elapsed, set
) is the minimum
Rev.2.0
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