isl88731a Intersil Corporation, isl88731a Datasheet - Page 3

• Manufacturer Part Number: isl88731a
• 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: 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:
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
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
3
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,
CVDDP = 1µF, IVDDP = 0mA, T
at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production
tested.
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
ISL88731A
CONDITIONS
A
= -10°C to +100°C. Parameters with MIN and/or MAX limits are 100% tested
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
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
QFN Package. . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
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
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
January 7, 2009
θ
JC
UNITS
FN6738.1
9.5
(°C/W)
mV
mV
mA
%
%
%
%
%
%
%
V
V
V
V
V
A
A
V