S-8209ABC-T8T1U datasheet(9/26 Pages) SII

Part #	S-8209ABC-T8T1U

Description	BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION

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Manufacturer	SII [Seiko Instruments Inc]

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BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION

Rev.3.4_00

S-8209A Series

Seiko Instruments Inc.

9



Electrical Characteristics

Table 7

(Ta =

+25°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Circuit

Overcharge detection

voltage

VCU

−

VCU

− 0.025

VCU

+ 0.025

V

1

Overcharge release

voltage

VCL

≠ VCU

VCL

− 0.05

VCL

+ 0.05

V

1

VCL = VCU

VCL

− 0.05

VCL

+ 0.025

V

1

Cell-balance detection

voltage

VBU

−

VBU

− 0.025

VBU

+ 0.025

V

1

Cell-balance release

voltage

VBL

≠ VBU

VBL

− 0.05

VBL

+ 0.05

V

1

VBL = VBU

VBL

− 0.05

VBL

+ 0.025

V

1

Overdischarge detection

voltage

VDL

−

VDL

− 0.05

VDL

+ 0.05

V

1

Overdischarge release

voltage

VDU

−

VDU

− 0.10

VDU

+ 0.10

V

1

CDT pin resistance

*1

RCDT

VDS = 3.5 V，VCDT = 0 V

4.76

8.31

10.9

M

Ω

2

CDT pin detection

voltage

*1

VCDET

VDS = 3.5 V

VDS

× 0.65

VDS

× 0.70

VDS

× 0.75

V

3

Operation voltage

between VDD pin and VSS pin

VDSOP

Output voltage

of CO pin, DO pin and CB pin fixed

1.5

−

8.0

V

−

CTLC pin H voltage

VCTLCH

VDS = 3.5 V

VDS

× 0.55

−

VDS

× 0.90

V

4

CTLD pin H voltage

VCTLDH

VDS = 3.5 V

VDS

× 0.55

−

VDS

× 0.90

V

4

CTLC pin L voltage

VCTLCL

VDS = 3.5 V

VDS

× 0.10

−

VDS

× 0.45

V

4

CTLD pin L voltage

VCTLDL

VDS = 3.5 V

VDS

× 0.10

−

VDS

× 0.45

V

4

Current consumption

during operation

*2

IOPE

VDS = 3.5 V

−

3.5

7.0

μA

5

Source current CTLC

*2 pin

ICTLCH

VDS = 3.5 V, VCTLC = 0 V

320

400

480

nA

6

Source current CTLD

*2 pin

ICTLDH

VDS = 3.5 V, VCTLD = 0 V

320

400

480

nA

6

Source current CB pin

ICBH

VCB = 4.0 V, VDS = 4.5 V

30

−

μA

7

Sink current CB pin

ICBL

VCB = 0.5 V, VDS = 3.5 V

30

−

μA

7

Sink current CO pin

ICOL

VCO = 0.5 V, VDS = 3.5 V

30

−

μA

7

Leakage current CO pin

ICOH

VCO = 24 V, VDS = 4.5 V

−

0.1

μA

8

Sink current DO pin

IDOL

VDO = 0.5 V, VDS = 3.5 V

30

−

μA

7

Leakage current DO pin

IDOH

VDO = 24 V, VDS = 1.8 V

−

0.1

μA

8

*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 the value of CDT pin’s resistance in the IC (RCDT) and the value of capacitor set externally at the CDT pin

(CCDT).

tD [s] =

−ln (1 − VCDET / VDS) × CCDT [μF] × RCDT [MΩ]

=

−ln (1 − 0.7 typ.) × CCDT [μF] × 8.31 MΩ typ.

= 10.0 M

Ω typ. × CCDT [μF]

In case of the capacitance of CDT pin CCDT = 0.01

μF, the output pin delay time tD is calculated by using the above

formula and as follows.

tD [s] = 10.0 M

Ω typ. × 0.01 μF = 0.1 s typ.

Test RCDT and the CDT pin detection voltage (VCDET) by test circuits shown in this datasheet after applying the power

supply while pulling-down the CTLC pin and the CTLD pin to the level of VSS pin outside the IC.

*2. In case of using CTLC pin and CTLD pin pulled-down to the level of VSS pin externally, the current flows into the VDD

pin (IDD) is calculated by the following formula.

IDD = IOPE

+ ICTLCH + ICTLDH

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