s-8209a Seiko Instruments Inc., s-8209a Datasheet - Page 6

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

*1. In the S-8209A Series, users are able to set delay time for the output pins. By using the following formula, delay time is calculated with
*2. In case of using CTLC, CTLD pins pulled-down to the level of VSS pin externally, the current flows into the VDD pin (I
6
Overcharge detection
voltage
Overcharge release
voltage
Cell-balance detection
voltage
Cell-balance release
voltage
Overdischarge detection
voltage
Overdischarge release
voltage
CDT pin resistance
CDT pin
detection voltage
Operating voltage
between VDD and VSS
CTLC pin H voltage
CTLD pin H voltage
CTLC pin L voltage
CTLD pin L voltage
Current consumption
during operation
Source current CTLC
Source current CTLD
Source current CB
Sink current CB
Sink current CO
Sink current DO
BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION
S-8209A Series
Electrical Characteristics
the value of CDT pin’s resistance in the IC (R
In case of the capacitance of CDT pin C
follows.
Test R
pulling-down the CTLC, CTLD pins to the level of VSS pin outside the IC.
by the following formula.
I
t
t
CDT
DD
D
D
Item
[s] = 10.0 MΩ (Typ.) × 0.01 µF = 0.1 s (Typ.)
[s] = −ln (1−V
= I
and the CDT pin detection voltage (V
= −ln (1−0.7 (Typ.) ) × C
= 10.0 MΩ (Typ.) × C
OPE
*2
*1
+ I
*1
CTLCH
*2
*2
CDET
+ I
R
V
V
V
V
V
V
V
V
V
V
V
V
I
I
I
I
I
I
I
Symbol
OPE
CTLCH
CTLDH
CBH
CBL
COL
DOL
/ V
CTLDH
CDT
CU
CL
BU
BL
DL
DU
CDET
DSOP
CTLCH
CTLDH
CTLCL
CTLDL
DS
) × C
CDT
CDT
V
V
[µF]
3.90 V to 4.40 V, adjustable
3.80 V to 4.40 V, adjustable
3.90 V to 4.40 V, adjustable
3.80 V to 4.40 V, adjustable
2.00 V to 3.00 V, adjustable
2.00 V to 3.40 V, adjustable
Output voltage of CO, DO, CB fixed
V
V
V
V
V
V
V
V
V
V
V
CDT
DS
DS
CDT
DS
DS
DS
DS
DS
DS
DS
CB
CB
CO
DO
[µF] × 8.31 MΩ (Typ.)
= 3.5 V，V
= 3.5 V
[µF] × R
= 3.5 V
= 3.5 V
= 3.5 V
= 3.5 V
= 3.5 V
= 3.5 V, V
= 3.5 V, V
= 4.0 V, V
= 0.5 V, V
CDT
= 0.5 V, V
= 0.5 V, V
= 0.01 µF, the output pin delay time t
) and the value of capacitor set externally at the CDT pin (C
CDET
Seiko Instruments Inc.
CDT
) by test circuits shown in this datasheet after applying the power supply while
Condition
CTLC
CTLD
DS
DS
CDT
DS
DS
[MΩ]
= 4.5 V
= 3.5 V
= 3.5 V
= 3.5 V
Table 6
= 0 V
= 0 V
= 0 V
D
−0.025
−0.025
×0.65
−0.05
−0.05
−0.05
−0.10
×0.55
×0.55
×0.10
×0.10
4.76
Min.
is calculated by using the above formula and as
V
V
V
V
V
320
320
V
V
V
V
V
V
1.5
30
30
30
30
DS
DS
DS
DS
DS
−
CU
BU
DU
CL
BL
DL
(Ta = 25°C unless otherwise specified)
×0.70
Typ.
8.31
V
V
V
V
400
400
V
V
V
3.5
DS
−
−
−
−
−
−
−
−
−
CU
BU
DU
CL
BL
DL
CDT
+0.025
+0.025
×0.75
Max.
+0.05
+0.05
+0.05
+0.10
×0.90
×0.90
×0.45
×0.45
10.9
V
V
V
V
V
V
V
480
480
V
V
V
V
8.0
7.0
).
DS
DS
DS
DS
DS
−
−
−
−
CU
DU
CL
BU
DL
BL
Rev.1.0
DD
Unit
MΩ
µA
µA
µA
µA
µA
nA
nA
V
) is calculated
V
V
V
V
V
V
V
V
V
V
V
circuit
Test
2
3
_00
1
1
1
1
1
1
−
4
4
4
4
5
6
6
7
7
7
7