S-8233ACFE-TB Seiko Instruments, S-8233ACFE-TB Datasheet - Page 18

• 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

3. Over current detection
18
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
VMP
terminal
Battery
voltage
CSO
terminal
DSO
terminal
ISO
terminal
DOP
terminal
COP
terminal
*1.
When the S-8233C series detects over current 1 or over current 2, ISO terminal goes ‘High’.
Delay time from load shorted to ISO terminal goes ‘High’ is Tiov2( at that case delay time isn’t Tiov3).
Charger
connected
Load
connected
Mode
Normal mode,
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IOV3
CC
IOV1
IOV2
SS
CU
CD
DU
DD
CC
SS
CC
SS
CC
SS
CC
SS
*1
Delay t
Over charge mode,
IOV1
Hi-z
Over discharge mode,
Delay t
V1, V2, and V3 batteries
Seiko Instruments Inc.
IOV2
Figure 8
Over current mode
Hi-z
Delay t
Delay t
CTL terminal
V
Hi-z
SS
IOV2
IOV3
→V
CC
Charge/discharge
inhibit
CTL terminal
V
CC
→V
Hi-z
SS
Rev.4.1
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