ISL9220A datasheet(3/15 Pages) INTERSIL

Part #	ISL9220A

Description	Switching Charger for 1-Cell and 2-Cell Li-ion Batteries

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Manufacturer	INTERSIL [Intersil Corporation]

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ISL9220, ISL9220A

3

FN6936.1

July 2, 2010

Absolute Maximum Ratings

Thermal Information

VIN, CISP, CISN. . . . . . . . . . . . . . . . . . . . . . . -0.3V to 18V

SW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.7V to 18V

VHI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 24V

VBAT, ISNS . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 10V

ISET1, ISET2, RTH, VBIAS, STAT1, STAT2, EN. -0.3V to 5.5V

TIME. . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.75V

Input Current (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . .2.0A

Output Current (SW) . . . . . . . . . . . . . . . . . . . . . . . . .2.2A

ESD Rating

Human Body Model (Tested per JESD22-A114F) . . . 2500V

Machine Model (Tested per EIA/JESD22-A115-A) . . . 175V

Charged Device Model (Tested per JES22-C101D) . . 1500V

Latch-Up

(Tested per JESD-78B; Class 2 (+85°C), Level A) . . 100mA

Thermal Resistance (Typical)

θJA (°C/W) θJC (°C/W)

4x4 QFN Package (Notes 4, 5) . .

40

4.3

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

Recommended Operating Conditions

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

Supply Voltage, VIN

ISL9220 . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 14V

ISL9220A . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 14V

Programmable Charge Current . . . . . . . . . . . . 200mA to 2A

Programmable Trickle Current . . . . . . . . . . 20mA to 200mA

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:

4. 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.

5. θJC, “case temperature” location is at the center of the exposed metal pad on the package underside.

Electrical Specifications Typical specifications are measured at the following conditions: TA = +25°C; For ISL9220,

VIN = 5V; For ISL9220A, VIN = 12V.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

POWER-ON RESET

Rising VIN Threshold

VPOR_R

3.4

3.6

3.8

V

Falling VIN Threshold

VPOR_F

2.2

2.4

2.6

V

VIN - VBAT OFFSET VOLTAGE

Rising Offset Threshold

VOS_R

ISL9220

-

95

150

mV

ISL9220A

-

170

300

mV

Falling Offset Threshold

VOS_F

ISL9220

10

65

-

mV

ISL9220A

20

130

-

mV

SUPPLY CURRENT

VIN Pin Supply Current

ICC(VIN)

PGOOD = TRUE, EN = L (Note 6)

10

15

mA

PGOOD = TRUE, EN= H (Note 6)

VIN = 5V to 12V

-

0.5

mA

Battery Discharge Current

(Total of currents flowing into VBAT,

ISNS, SW pins)

IDIS

VIN < VPOR OR EN = H

2V < VBAT < 11V

-2

5

μA

OVERVOLTAGE PROTECTION

Input OVP Rising Threshold

VIN_OVPR

14.5

15.0

15.5

V

Input OVP Falling Threshold

VIN_OVPF

14.0

14.5

15.0

V

OUTPUT CURRENT

Fast Charge Current Accuracy

ICHG

RSNS = 0.039Ω

RISET1 = 49.9kΩ (Nominal

IOUT = 1000mA)

-10

-

10

%

Charge Termination Current Accuracy

IMIN

RSNS = 0.039Ω

RISET2 = 300kΩ (Nominal

IMIN = 100mA)

-35

-

35

%

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