isl88731 Intersil Corporation, isl88731 Datasheet - Page 3

• Manufacturer Part Number: isl88731
• Description: Smbus Level 2 Battery Charger
• Manufacturer: Intersil Corporation

Electrical Specifications
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
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
CHARGE VOLTAGE REGULATION
Battery Full Charge Voltage and Accuracy ChargeVoltage = 0x41A0
Battery Undervoltage Lockout Trip Point
for Trickle Charge
Battery Undervoltage Lockout Trip Point
Hysteresis
CHARGE CURRENT REGULATION
CSOP to CSON Full-Scale Current-Sense
Voltage
Charge Current and Accuracy
Charge Current Gain Error
CSOP/CSON Input Voltage Range
1. θ
2. For θ
°
C max junction temperature is intended for short periods of time to prevent shortening the lifetime. Operation close to +150
JA
is measured with the component mounted on a highly effective thermal conductivity test board on free air. See Tech Brief TB379 for details.
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
°
C, since this number is specified as typical.
3
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,
CVDDP = 1µF, IVDDP = 0mA, T
ChargeVoltage = 0x3130
ChargeVoltage = 0x20D0
ChargeVoltage = 0x1060
VFB rising
RS2 = 10mΩ (see Figure 2)
ChargingCurrent = 0x1f80
RS2 = 10mΩ (see Figure 2)
ChargingCurrent = 0x0f80
RS2 = 10mΩ (see Figure 2)
ChargingCurrent = 0x0080
Based on charge current = 128mA and 8.064A
ISL88731
CONDITIONS
A
= -10°C to +100°C
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
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
QFN Package. . . . . . . . . . . . . . . . . . . .
16.716
12.529
8.350
4.163
78.22
7.822
3.809
MIN
2.55
-0.5
-0.5
-0.6
-0.7
100
-1.6
64
-3
-4
0
°
C junction may trigger the shutdown of
12.592
4.192
80.64
8.064
3.968
TYP
16.8
250
128
8.4
2.7
JA
(°C/W)
39
16.884
12.655
8.450
4.221
83.06
8.306
4.126
MAX
2.85
400
220
0.5
0.5
0.6
0.7
1.4
19
3
4
November 20, 2006
θ
JC
UNITS
FN9258.0
9.5
(°C/W)
mV
mV
mA
%
%
%
%
%
%
%
V
V
V
V
V
A
A
V