s-8243bahft-tb-g Seiko Instruments Inc., s-8243bahft-tb-g Datasheet - Page 19
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s-8243bahft-tb-g
Manufacturer Part Number
s-8243bahft-tb-g
Description
Battry Protection Ic For 3-serial Or 4-serial Cell Pack
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8243BAHFT-TB-G.pdf
(34 pages)
- Current page: 19 of 34
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Rev.2.7
1. Overcharge detection, Over discharge detection
Timing Charts
*1. State depends on CTL3 and CTL4 input levels. Refer to Figure 9.
VBATOUT pin
voltage
VREG pin voltage
Charger connected
Load connected
*2. <1>: Normal status, <2>: Overcharge status, <3>: Overdischarge status, <4>: Power down status
Remark The charger is assumed to charge with a constant current. V
Battery voltage
DOP pin voltage
COP pin voltage
VMP pin
voltage
Status
*2
_00
*1
(n = 1 to 4)
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
EB
IOV3
CUn
CLn
DUn
DLn
DD
SS
SS
DD
IOV1
SS
OUT
BAT
SS
DD
OUT
SS
+
BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK
<1>
Overcharge detection
delay time (t
Seiko Instruments Inc.
High-Z
CU
<2>
)
Figure 6
<1>
Overdischarge detection
<3>
delay time (t
EB
+ indicates the open voltage of the charger.
DL
High-Z
)
<4>
S-8243A/B Series
<1>
19
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