S-8233ACFE-TB Seiko Instruments, S-8233ACFE-TB Datasheet - Page 9

• 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
(1) Measurement 1 Measurement circuit 1
(2) Measurement 2 Measurement circuit 1
(3) Measurement 3 Measurement circuit 1
(4) Measurement 4 Measurement circuit 2
(5) Measurement 5 Measurement circuit 3
(6) Measurement 6 Measurement circuit 3
Measurement Circuits
Set V1, V2, and V3 to 3.5 V under normal condition. Increase V1 from 3.5 V gradually. The V1 voltage
when COP = 'H' is over charge detection voltage 1 (V
COP = 'L' is over charge release voltage 1 (V
is over discharge voltage 1 (V
discharge release voltage 1 (V
Remark The voltage change rate is 150 V/s or less.
Set V1, V2, and V3 to 3.5 V under normal condition. Increase V2 from 3.5 V gradually. The V2 voltage
when COP = 'H' is over charge detection voltage 2 (V
COP = 'L' is over charge release voltage 2 (V
is over discharge voltage 2 (V
discharge release voltage 2 (V
Remark The voltage change rate is 150 V/s or less.
Set V1, V2, and V3 to 3.5 V under normal condition. Increase V3 from 3.5 V gradually. The V3 voltage
when COP = 'H' is over charge detection voltage 3 (V
COP = 'L' is over charge release voltage 3 (V
is over discharge voltage 3 (V
discharge release voltage 3 (V
Remark The voltage change rate is 150 V/s or less.
Set V1, V2, V3 to 3.5 V and V4 to 0 V under normal condition. Increase V4 from 0 V gradually. The V4
voltage when DOP = 'H' and COP = 'H', is over current detection voltage 1 (V
Set V1, V2, and V3 to 3.5 V and V4 to 0 V under normal condition. Fix the COVT terminal at V
increase V4 from 0 V gradually. The V4 voltage when DOP = 'H' and COP = 'H' is over current detection
voltage 2 (V
Set V1, V2, and V3 to 3.5 V and V4 to 0 V under normal condition. Fix the COVT terminal at V
increase V4 gradually from 0 V at 400 µs to 2 ms. The V4 voltage when DOP = 'H' and COP = 'H' is over
current detection voltage 3 (V
Set S1 to ON, V1, V2, and V3 to 3.5 V, and V4 to 0 V under normal condition and measure current
consumption. I1 is the normal condition current consumption (I
(I
Set S1 to ON, V1, V2, and V3 to 1.5 V, and V4 to 4.5 V under over discharge condition. Current
consumption I1 is power-down current consumption (I
Set S1 to ON, V1, V2, and V3 to 3.5 V, and V4 to 10.5 V under normal condition. V4/I4 is the internal
resistance between VCC and VMP (R
Set S1 to ON, V1, V2, and V3 to 1.5 V, and V4 to 4.1 V under over discharge condition. (4.5-V4)/I4 is the
internal resistance between VSS and VMP (R
CELL2
_10
), and I3, the cell 3 current consumption (I
IOV2
).
IOV3
DD1
DD2
DD3
DU1
DU2
DU3
). Increase V1 gradually. The V1 voltage when DOP = 'L' is over
). Increase V2 gradually. The V2 voltage when DOP = 'L' is over
). Increase V3 gradually. The V3 voltage when DOP = 'L' is over
).
).
).
).
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
VCM
Seiko Instruments Inc.
).
CD1
CD2
CD3
VSM
CELL3
). Further decrease V1. The V1 voltage when DOP = 'H'
). Further decrease V2. The V2 voltage when DOP = 'H'
). Further decrease V3. The V3 voltage when DOP = 'H'
).
).
CU1
CU2
CU3
PDN
). Decrease V1 gradually. The V1 voltage when
). Decrease V2 gradually. The V2 voltage when
). Decrease V3 gradually. The V3 voltage when
).
OPE
), I2, the cell 2 current consumption
IOV1
).
S-8233A Series
SS
SS
,
,
9