S-8209A Datasheet, PDF (12/26 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION

BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
S-8209A Series
 Operation
Figure 15 shows the operation transition of the S-8209A Series.
[Overcharge status]
Charge
CO = High-Z
DO = High-Z
CB = H ^*1
V_CTLD ≥ V_CTLDH
VCTLD ≤ VCTLDL
CO = High-Z
DO = L
CB = H ^*1
V_CTLC ≥ V_CTLCH
V_CTLC ≤ V_CTLCL
Rev.3.4_00
CO = High-Z
DO = L
CB = H ^*1
V_DS ≥ V_CU
V_DS ≤ V_CL
V_DS ≥ V_CU
V_DS ≤ V_CL
V_DS ≤ V_CL
CO = L
DO = High-Z
CB = H ^*1
V_CTLD ≥ V_CTLDH
V_CTLD ≤ V_CTLDL
CO = L
DO = L
CB = H ^*1
V_CTLC ≥ V_CTLCH
V_CTLC ≤ V_CTLCL
CO = High-Z
DO = L
CB = H ^*1
V_DS ≥ V_BU
V_DS ≤ V_BL
VDS ≥ VBU
[Normal status]
VDS ≤ VBL
CO = L
DO = High-Z
CB = H ^*2
V_CTLD ≥ V_CTLDH
V_CTLD ≤ V_CTLDL
CO = L
DO = L
CB = L
V_CTLC ≥ V_CTLCH
V_CTLC ≤ V_CTLCL
V_DS ≤ V_BL
CO = High-Z
DO = L
CB = L
Discharge
V_DS ≥ V_DU
CO = L
DO = High-Z
CB = L
V_DS ≥ V_DU
[Overdischarge status]
V_DS ≤ V_DL
V_CTLD ≥ V_CTLDH
V_CTLD ≤ V_CTLDL
CO = L
DO = High-Z
CB = L
V_CTLC ≥ V_CTLCH
V_CTLC ≤ V_CTLCL
V_DS ≤ V_DL
CO = High-Z
DO = High-Z
CB = L
*1. Operation of charge cell-balance function
*2. Operation of discharge cell-balance function
V_DS < 1.5V
Indefinite status
CO = Indefinite
DO = Indefinite
CB = Indefinite
Figure 15 Operation Transition
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Seiko Instruments Inc.