S8239B datasheet(6/25 Pages) SII

6 / 25 page

OVERCURRENT MONITORING IC FOR MULTI-SERIAL-CELL PACK

S-8239B Series

Rev.1.1_00

Seiko Instruments Inc.



Electrical Characteristics

1. Ta =

+25°C

Table 5

(Ta =

+25°C unless otherwise specified)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Test

Condition

Test

Circuit

Detection Voltage

Overcurrent 1 detection voltage

VDIOV1

−

VDIOV1

− 0.015

VDIOV1

+ 0.015

Overcurrent 2 detection voltage

*1 VDIOV2

−

VDIOV2

− 0.100

VDIOV2

+ 0.100

Overcurrent 3 detection voltage

VDIOV3

Overcurrent 3 detection function

"available"

0.90

1.20

1.50

UVLO detection voltage

VUVLO

−

1.90

2.00

2.10

Release Voltage

Overcurrent release voltage

VRIOV

VDD criteria, VDD = 3.5 V

0.7

1.2

1.5

Input Voltage, Operation Voltage

Operation voltage between

VDD pin and VSS pin

VDSOP

Output logic is determined

1.5

−

Current Consumption

Current consumption during

normal operation

IOPE

VDD = 3.5 V, VVM = 0 V

1.0

3.5

7.0

μA

Current consumption during

power-down

IPDN

VDD = VVM = 1.5 V

−

0.1

μA

Internal Resistance

Internal resistance between

VM pin and VDD pin

RVMD

VDD = 1.8 V, VVM = 0 V

100

300

900

Output Resistance

DO pin resistance "L"

RDOL

VDD = VVINI = 3.5 V, VDO = 0.5 V

2.5

Delay Time

Overcurrent 1 detection delay

time

tDlOV1

−

tDIOV1

× 0.6

tDIOV1

× 1.4

Overcurrent 2 detection delay

time

tDlOV2

−

tDIOV2

× 0.6

tDIOV2

× 1.4

Overcurrent 3 detection delay

time

tDlOV3

Overcurrent 3 detection function

"available"

168

280

392

μs

UVLO detection delay time

tUVLO

−

2.94

4.90

6.86

*1. Even if overcurrent 1 detection voltage and overcurrent 2 detection voltage are in the same range, VDIOV1 is lower than

VDIOV2.

*2. It indicates that DO pin output logic is determined.

S8239B Datasheet(PDF) 6 Page - Seiko Instruments Inc

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