SA45141 datasheet(4/9 Pages) SILAN

No de pièce	SA45141

Description	THREE OR FOUR-CELL LI BATTERY PROTECTION CIRCUIT

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Fabricant	SILAN [Silan Microelectronics Joint-stock]

Site Internet	http://www.silan.com.cn

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4 / 9 page

Characteristics

Symbol

Test conditions

Min.

Typ.

Max.

Unit

OV Pin Sink Current

ISIOV

VOV=0.4V

100

--

μA

OV Pin Leak Current

ILKOV

VOV=24V

--

0.1

μA

CON Pin Low Voltage

VCONL

DCHG=“HIGH”

--

0.4

V

CON Pin High Voltage

VCONH

DCHG= “LOW”

VCC-0.4

--

V

CON Pin Current

ICON

VCELL=3.5V, CON=0.4V

--

1

2

μA

SEL Pin Low Voltage

VSELL

3 cells

--

0.4

V

SEL Pin High Voltage

VSELH

4 cells

VCC-0.4

--

V

SEL Pin Current

ISEL

VCELL=3.5V, SEL=0.4V

--

1

2

μA

PIN CONFIGURATIONS

PIN DESCRIPTION

Pin no.

Pin name

I/O

Description

1

OV

O

Overcharge detection output pin

2

NC

--

Not connected

3

CS

I

Overcurrent detection input pin

4

NC

--

Not connected

5

DCHG

O

Discharge control FET drive output pin

Normal state: DCHG=Low; Overdischarge state: DCHG=High

6

NC

--

Not connected

7

CDC

--

Overdischarge detection dead time setting pin

8

COL

--

Overcurrent detection dead time setting pin

9

COV

--

Overcharge detection dead time setting pin

10

GND

--

Ground

11

SEL

I

3 or 4 cell select switch pin

SEL=V1 or GND:3 cell ; SEL=Vcc:4 cell

12

NC

--

Not connected

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.5

2009.06.05

Http: //www.silan.com.cn

Page 4 of 10

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