ISL88731C

6

FN6978.3

June 8, 2011

Absolute Maximum Ratings

Thermal Information

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 Resistance (Typical)

θJA (°C/W) θJC (°C/W)

28 Ld TQFN Package (Notes 4, 5) . . . . . . .

38

6.5

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

°C to +150°C

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

°C to +100°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -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:

4.

Brief TB379.

5. For

PARAMETER

CONDITIONS

MIN

(Note 7)

TYP

MAX

(Note 7)

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 4)

ChargingCurrent = 0x1f80

7.822

8.064

8.306

A

-3

3

%

RS2 = 10m

Ω (see Figure 4)

ChargingCurrent = 0x0f80

3.809

3.968

4.126

A

-4

4

%

RS2 = 10m

Ω (see Figure 4)

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

019

V