3

FN9258.0

November 20, 2006

Absolute Maximum Ratings

DCIN, CSSP, CSSN, CSOP, CSON, VFB . . . . . . . . . . -0.3V to +28V

CSSP-CSSN, CSOP-CSON, PGND-GND. . . . . . . . . -0.3V to +0.3V

PHASE to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -6V to +30V

BOOT to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V

BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V

UGATE . . . . . . . . . . . . . . . . . . . . . . . . PHASE-0.3V to BOOT+0.3V

LGATE . . . . . . . . . . . . . . . . . . . . . . . . . PGND-0.3V to VDDP+0.3V

ICOMP, VCOMP, VREF, to GND . . . . . . . . . . . . -0.3V to VCC+0.3V

VDDSMB, SCL, SDA, ACIN, ACOK . . . . . . . . . . . . . . . -0.3V to +6V

VDDP, ICM, VCC to GND, VDDP to PGND. . . . . . . . . . -0.3V to +6V

Thermal Information

Thermal Resistance (Typical, Notes 1, 2)

QFN Package. . . . . . . . . . . . . . . . . . . .

39

9.5

Junction Temperature Range. . . . . . . . . . . . . . . . . . -55

°C to +150°C

Operating Temperature Range . . . . . . . . . . . . . . . . -10

°C to +100°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . -65

°C to +150°C

Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . +300°C

CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational section of this specification is not implied.

+150

the device even before +150

1.

θ

2. For

Electrical Specifications

DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CHARGE VOLTAGE REGULATION

Battery Full Charge Voltage and Accuracy ChargeVoltage = 0x41A0

16.716

16.8

16.884

V

-0.5

0.5

%

ChargeVoltage = 0x3130

12.529

12.592

12.655

V

-0.5

0.5

%

ChargeVoltage = 0x20D0

8.350

8.4

8.450

V

-0.6

0.6

%

ChargeVoltage = 0x1060

4.163

4.192

4.221

V

-0.7

0.7

%

Battery Undervoltage Lockout Trip Point

for Trickle Charge

VFB rising

2.55

2.7

2.85

V

Battery Undervoltage Lockout Trip Point

Hysteresis

100

250

400

mV

CHARGE CURRENT REGULATION

CSOP to CSON Full-Scale Current-Sense

Voltage

78.22

80.64

83.06

mV

Charge Current and Accuracy

RS2 = 10m

Ω (see Figure 2)

ChargingCurrent = 0x1f80

7.822

8.064

8.306

A

-3

3

%

RS2 = 10m

Ω (see Figure 2)

ChargingCurrent = 0x0f80

3.809

3.968

4.126

A

-4

4

%

RS2 = 10m

Ω (see Figure 2)

ChargingCurrent = 0x0080

64

128

220

mA

Charge Current Gain Error

Based on charge current = 128mA and 8.064A

-1.6

1.4

%

CSOP/CSON Input Voltage Range

0

19

V

ISL88731