S-8233ACFE-TB Seiko Instruments, S-8233ACFE-TB Datasheet - Page 11

• Manufacturer Part Number: S-8233ACFE-TB
• Description: Battery Management 4.25V 3-Cell Serial
• Manufacturer: Seiko Instruments

Specifications of S-8233ACFE-TB

• Product: Charge Management
• Battery Type: Li-Ion Pack
• Output Voltage: 24 V
• Operating Supply Voltage: 2 V to 24 V
• Supply Current: 50 uA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 20 C
• Package / Case: SOP-14
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Rev.3.2
(13) Measurement 13 Measurement circuit 8
(14) Measurement 14 Measurement circuit 9
(15) Measurement 15 Measurement circuit 10
Set S4 to ON, S1, S2, S3, S5, and S6 to OFF, V1, V2, V3 to 3.5 V and V4, V6, and V7 to 0 V under
normal condition. Increase V5 from 0 V gradually. The V5 voltage when I2 = 10 µA is the CD1'L' voltage
(V
Set S5 to ON, S1, S2, S3, S4, and S6 to OFF, V1, V2, and V3 to 3.5 V and V4, V5, and V7 to 0 V under
normal condition. Increase V6 from 0 V gradually. The V6 voltage when I3 = 10 µA is the CD2'L' voltage
(V
Set S6 to ON, S1, S2, S3, S4, and S5 to OFF, V1, V2, and V3 to 3.5 V and V4, V5, and V6 to 0 V under
normal condition. Increase V7 from 0 V gradually. The V7 voltage when I4 = 10 µA is the CD3'L' voltage
(V
Set S1 to ON, S2, S3, S4, S5, and S6 to OFF, V1 to 4.5 V, V2 and V3 to 3.5 V and V5, V6, and V7 to 0 V
under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the
CD1'H' voltage (V
Set S2 to ON, S1, S3, S4, S5, and S6 to OFF, V2 to 4.5 V, V1 and V3 to 3.5 V and V5, V6, and V7 to 0 V
under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the
CD2'H' voltage (V
Set S3 to ON, S1, S2, S4, S5, and S6 to OFF, V3 to 4.5 V, V1 and V2 to 3.5 V and V5, V6, and V7 to 0 V
under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 µA is the
CD3'H' voltage (V
Set V1, V2, and V3 to 4.5 V under over charge condition. The current I1 flowing to COP terminal is COP
OFF LEAK current (I
Set V1, V2, and V3 to 0 V, and V8 to 2 V, and decrease V8 gradually. The V8 voltage when COP = 'H'
(V
CD1(L)
CD2(L)
CD3(L)
SS
_10
+ 0.1 V or higher) is the 0V charge start voltage (V
)
).
).
CD1(H)
CD2(H)
CD3(H)
COL
).
).
).
).
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
Seiko Instruments Inc.
0CHAR
).
S-8233A Series
11