ISL9208 datasheet(4/28 Pages) INTERSIL

Part #	ISL9208

Description	Multi-Cell Li-ion Battery Pack OCP/Analog Front End

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Manufacturer	INTERSIL [Intersil Corporation]

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4

FN6446.1

November 2, 2007

Absolute Maximum Ratings

Thermal Information

Power Supply Voltage, VCC . . . . . . . . . .VSS - 0.5V to VSS + 36.0V

Cell voltage, VCELL

VCELLN - (VCELLN-1), VCELL1-VSS . . . . . . . . . . . . . -0.5V to 5V

Terminal Voltage, VTERM1

(SCL, SDA, CSENSE, DSENSE, TEMPI, RGO, AO, TEMP3V)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VSS - 0.5 to VRGO + 0.5V

Terminal Voltage, VTERM2 (CFET, VMON) . . . . VSS - 22.0V to VCC

Terminal Voltage, VTERM3 (WKUP)

. . . . . . . . . . . . . . . . . . . . . . . . . . . VSS - 0.5V to VCC (VCC <27V)

Terminal Voltage, VTERM4 (RGC) . . . . . . . . . . . . . VSS - 0.5V to 5V

Terminal Voltage, VTERM5, (all other pins)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VSS - 0.5V to VCC +0.5V

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C

Supply Voltage Range (Typical). . . . . . . . . . . . . . . . . . . . 5V to 10V

Operating Voltage:

VCC pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.2V to 30.1V

VCELL1-VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3V to 4.3V

VCELLN-(VCELLN-1). . . . . . . . . . . . . . . . . . . . . . . . . 2.3V to 4.3V

Thermal Resistance (Typical, Notes 1, 2)

θJA (°C/W) θJC (°C/W)

32 Ld QFN . . . . . . . . . . . . . . . . . . . . . .

32

2

Continuous Package Power Dissipation . . . . . . . . . . . . . . . . . 400mW

Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125°C

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and

result in failures not covered by warranty.

NOTES:

1.

θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See

Tech Brief TB379.

2.

θJC, “case temperature” location is at the center of the exposed metal pad on the package underside. See Tech Brief TB379.

Operating Specifications Over the recommended operating conditions unless otherwise specified.

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP

MAX

UNIT

Operating Voltage

VCC

9.2

30.1

V

Power-Up Condition 1

VPORVCC VCC voltage (Note 3)

4

9.2

V

Power-Up Condition 2 Threshold

VPOR123 VCELL1 - VSS and VCELL2 - VCELL1 and

VCELL3 - VCELL2 (rising)

(Note 3)

1.1

1.7

2.3

V

Power-Up Condition 2 Hysteresis

VPORhys VCELL1 - VSS and VCELL2 - VCELL1 and

VCELL3 - VCELL2 (falling)

(Note 3)

70

mV

3.3V Regulated Voltage

VRGO

0µA < IRGC < 350µA

3.0

3.3

3.6

V

3.3VDC Voltage Regulator Control

Current Limit

IRGC

(Control current at output of RGC.

Recommend NPN with gain of 70+)

0.35

0.50

mA

VCC Supply Current

IVCC1

Power-up defaults, WKUP pin = 0V.

400

510

µA

RGO Supply Current

IRGO1

Power-up defaults, WKUP pin = 0V.

300

410

µA

VCC Supply Current

IVCC2

LDMONEN bit = 1, VMON floating,

CFET = 1, DFET=1, WKPOL bit = 1,

VWKUP = 10V, [AO3:AO0] bits = 03H.

500

700

µA

RGO Supply Current

IRGO2

LDMONEN bit = 1, VMON floating,

CFET = 1, DFET=1, WKPOL bit = 1,

VWKUP = 10V, [AO3:AO0] bits = 03H.

450

650

µA

VCC Supply Current

IVCC3

Default register settings, except

SLEEP bit = 1. WKUP pin = VCELL1

10

µA

RGO Supply Current

IRGO3

Default register settings, except

SLEEP bit = 1. WKUP pin = VCELL1

1µA

VCELL Input Current (VCELL1)IVCELL1 AO3:AO0 bits = 0000H

14

µA

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