s-8215a Seiko Instruments Inc., s-8215a Datasheet - Page 14

• Manufacturer Part Number: s-8215a
• Description: S-8215a Series Battery Protection Ic
• Manufacturer: Seiko Instruments Inc.

14
BATTERY PROTECTION IC FOR 4-SERIAL / 5-SERIAL CELL PACK (SECONDARY PROTECTION)
S-8215A Series
Battery Protection IC Connection Examples
Caution
1. 5-serial cell
No.
BAT1
BAT2
BAT3
BAT4
BAT5
1
2
3
1. The above constants are subject to change without prior notice.
2. It has not been confirmed whether the operation is normal or not in circuits other than the above
3. Set the same constants to R1 to R5 and to C1 to C5 and C
4. Set R
5. Set R1 to R5, C1 to C5, and C
6. Since CO pin may become detection status transiently when the battery is being connected,
example of connection. In addition, the example of connection shown above and the constant
will not guarantee successful operation. Perform thorough evaluation using the actual
application to set the constant.
satisfied.
connect the positive terminal of BAT1 last in order to prevent the three terminal protection fuse
from cutoff.
VDD
R
R1
R2
R3
R4
R5
C1 to C5, C
VDD
, C1 to C5, and C
R1 to R5
R
Part
VDD
C1
C2
C3
C4
C5
C
VDD
VDD
Table 7 Constants for External Components
VDD
VDD
VC1
VC2
VC3
VC4
VC5
VSS
Seiko Instruments Inc.
so that the condition (R
Min.
0.01
VDD
0.5
50
S-8215A
Series
so that the condition (R1 to R5) × (C1 to C5, C
Figure 13
CO
Typ.
100
0.1
1
VDD
) × (C1 to C5, C
VDD
SC PROTECTOR
.
Max.
500
10
1
FET
VDD
D
) ≥ 5 × 10
P
VDD
− 6
) ≥ 1 × 10
Rev.1.1
is satisfied.
Unit
kΩ
μF
Ω
EB+
EB−
− 4
_00
is