s-8209a Seiko Instruments Inc., s-8209a Datasheet - Page 9

• Manufacturer Part Number: s-8209a
• Description: Battery Protection Ic With Cell-balance Function
• Manufacturer: Seiko Instruments Inc.

Discharge
Rev.1.0
Figure 12 shows the operation transition of S-8209A.
Operation
Charge
*1. Operation of charge cell-balance function
*2. Operation of discharge cell-balance function
_00
V
V
V
DS
DS
DS
≥ V
≥ V
≥ V
CO = High-Z
DO = High-Z
CB = H
CO = L
DO = High-Z
CB = H
CO = L
DO = High-Z
CB = H
CO = L
DO = High-Z
CB = L
CU
DU
BU
*1
*1
*2
V
V
DS
BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
DS
≤ V
≤ V
BL
CL
V
V
Figure 12 Operation Transition
V
V
V
V
V
V
CTLD
CTLD
CTLD
CTLD
CTLD
CTLD
CTLD
CTLD
[Overdischarge status]
Seiko Instruments Inc.
≥ V
≤ V
≥ V
≥ V
≤ V
≤ V
≥ V
≤ V
CTLDH
[Normal status]
CTLDL
[Overcharge status]
CTLDH
CTLDH
CTLDL
CTLDL
CTLDH
CTLDL
V
V
V
DS
DS
DS
CO = High-Z
DO = L
CB = H
≥ V
CO = L
DO = L
CB = H
≥ V
Indefinite status
≥ V
CO = L
DO = L
CB = L
CO = L
DO = High-Z
CB = L
CO = Indefinite
DO = Indefinite
CB = Indefinite
CU
BU
DU
*1
*1
V
V
V
V
DS
DS
DS
DS
< 1.5V
≤ V
≤ V
≤ V
CL
BL
DL
V
V
V
V
V
V
V
V
CTLC
CTLC
CTLC
CTLC
CTLC
CTLC
CTLC
CTLC
≥ V
≤ V
≥ V
≤ V
≥ V
≤ V
≥ V
≤ V
CTLCH
CTLCL
CTLCH
CTLCL
CTLCH
CTLCL
CTLCH
CTLCL
S-8209A Series
CO = High-Z
DO = L
CB = H
CO = High-Z
DO = L
CB = H
CO = High-Z
DO = L
CB = L
CO = High-Z
DO = High-Z
CB = L
*1
*1
V
V
V
DS
DS
DS
≤ V
≤ V
≤ V
9
CL
BL
DL