ISL9214A datasheet(4/11 Pages) INTERSIL

Part #	ISL9214A

Description	Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources

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Manufacturer	INTERSIL [Intersil Corporation]

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4 / 11 page

4

FN6698.0

May 5, 2008

Absolute Maximum Ratings

Thermal Information

Supply Voltage (CRDL, USB) . . . . . . . . . . . . . . . . . . . . -0.3V to 28V

Other Input Voltage (EN, USBON, ICDL, IMIN, BAT) . . . -0.3V to 7V

Open-Drain Pull-Up Voltage (PPR, CHG) . . . . . . . . . . . . -0.3V to 7V

Recommended Operating Conditions

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

Supply Voltage (USB Pin) . . . . . . . . . . . . . . . . . . . . . . 4.3V to 5.5V

Supply Voltage (CRDL Pin) . . . . . . . . . . . . . . . . . . . . . . 4.3V to 24V

Typical Cradle Charge Current . . . . . . . . . . . . . . . . . . 100mA to 1A

Typical USB Charge Current . . . . . . . . . . . . . . . . . . . . . . . . . 380mA

Thermal Resistance

θJA (°C/W) θJC (°C/W)

DFN Package (Notes 1, 2) . . . . . . . . . .

40

2.5

Maximum Junction Temperature (Plastic Package) . . . . . . . +150°C

Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°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. For theta

θJC the "case temp." location is the center of the exposed metal pad on the package underside.

Electrical Specifications

Typical values are tested at USB = CRDL = 5V and +25°C Ambient Temperature, maximum and minimum

values are established over the recommended operating conditions, unless otherwise noted.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

POWER-ON RESET

Rising USB/CRDL Threshold

3.4

3.9

4.2

V

Falling USB/CRDL Threshold

3.15

3.3

3.45

V

VIN-BAT OFFSET VOLTAGE

Rising Edge

VOS

VBAT = 4.0V, use CHG pin to indicate the

comparator output (Note 3)

-

150

250

mV

Falling Edge

VOS

20

80

-

mV

STANDBY CURRENT

BAT Pin Sink Current

ISTANDBY EN = HIGH or both inputs are floating

-

0.05

0.5

µA

CRDL Pin Supply Current

ICRDL

EN = HIGH

-

150

220

µA

USB Pin Supply Current

IUSB

-

150

220

µA

CRDL/USB Pin Supply Current

EN = LOW or floating

-

0.55

0.8

mA

VOLTAGE REGULATION

Output Voltage

VCH

Load = 10mA

4.158

4.2

4.242

V

Output Voltage

VCH

Load = 10mA (Tj = +25°C)

4.174

4.2

4.226

V

CRDL PMOS ON-Resistance

VBAT = 3.8V, ICHARGER = 0.3A, (Tj = +25°C)

200

600

850

m

Ω

USB PMOS ON-Resistance

VBAT = 3.8V, ICHARGER = 0.3A, (Tj = +25°C)

200

600

850

m

Ω

CHARGE CURRENT (Note 4)

ICDL Pin Output Voltage

VICDL

VBAT = 3.8V

1.19

1.22

1.25

V

CRDL Input Constant Charge Current

ICHARGE RICDL = 12.4kΩ, VBAT: 2.7V to 3.8V

520

550

580

mA

CRDL Input Trickle Charge Current

ITRICKLE RICDL = 12.4kΩ, VBAT = 2.2V

Given as a % of the CRDL ICHARGE

16

18

20

%

CRDL and USB End-of-Charge Threshold

IMIN

RIMIN = 10.0kΩ

46.5

55

63.5

mA

USB Input Constant Charge Current

ICHARGE USBON = HIGH, VBAT: 2.7V to 3.8V

332

380

410

mA

USB Input Trickle Charge Current

ITRICKLE VBAT = 2.2V

66

80

91

mA

PRECONDITIONING CHARGE THRESHOLD

Preconditioning Charge Threshold Voltage

VMIN

2.5

2.6

2.7

V

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