2

FN6821.2

December 11, 2008

Thermal Information

VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 30V

IMIN, IREF, BAT, CHG, EN, PPR . . . . . . . . . . . . . . . . . . . -0.3V to 7V

Recommended Operating Conditions

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

Maximum Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . . . . . . . 28V

Operating Supply Voltage (VIN Pin). . . . . . . . . . . . . . . . 4.5V to 6.5V

Programmed Charge Current . . . . . . . . . . . . . . . . 100mA to 900mA

Thermal Resistance

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

59

4.5

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.

θ

Tech Brief TB379.

2. For

Electrical Specifications

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

POWER-ON RESET

Rising POR Threshold

VBAT = 3.0V, use PPR to indicate the

comparator output.

3.3

3.9

4.3

V

Falling POR Threshold

2.7

3.4

3.6

V

VIN-BAT OFFSET VOLTAGE

Rising Edge

comparator output (Note 3)

-

90

150

mV

Falling Edge

10

50

-

mV

OVERVOLTAGE PROTECTION

Overvoltage Protection Threshold

(Note 4)

Use PPR to indicate the comparator output

6.9

7.3

7.7

V

OVP Threshold Hysteresis

100

240

400

mV

STANDBY CURRENT

BAT Pin Sink Current

--

1.0

µA

VIN Pin Supply Current

Charger disabled

-

350

600

µA

VIN Pin Supply Current

Charger enabled

-

500

800

µA

VOLTAGE REGULATION

Output Voltage

Charge current = 20mA

4.158

4.20

4.242

V

PMOS ON-Resistance

-

0.6

-

Ω

CHARGE CURRENT (Note 5)

IREF Pin Output Voltage

1.18

1.22

1.26

V

Constant Charge Current

450

500

550

mA

Trickle Charge Current

70

95

130

mA

End-of-Charge Current

33

45

57

mA

EOC Rising Threshold

325

380

415

mA

PRECONDITIONING CHARGE THRESHOLD

Preconditioning Charge Threshold Voltage

2.45

2.55

2.65

V

Preconditioning Voltage Hysteresis

-

250

-

mV

INTERNAL TEMPERATURE MONITORING

Charge Current Foldback Threshold

(Note 6)

100

115

130

°C

ISL6294A