ISL88731C
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, Notes 4, 5)θ (°C/W) θ (°C/W)
JA JC
28 Ld TQFN Package. . . . . . . . . . .
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. θ is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
JA
features. See Tech Brief TB379.
5. For θ , the “case temp” location is the center of the exposed metal pad on the package underside.
JC
Electrical Specifications DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V,
GND = PGND = 0V, CVDDP = 1µF, IVDDP = 0mA, T = -10°C to +100°C. Boldface limits
A
apply over the operating temperature range, -10°C to +100°C.
MIN
MAX
PARAMETER
CONDITIONS
(Note 8)
TYP
(Note 8) UNITS
CHARGE VOLTAGE REGULATION
Battery Full Charge Voltage and
Accuracy
ChargeVoltage = 0x41A0
16.716
-0.5
16.8
16.884
0.5
V
%
V
ChargeVoltage = 0x3130
ChargeVoltage = 0x20D0
ChargeVoltage = 0x1060
VFB rising
12.529 12.592 12.655
-0.5
8.350
-0.6
0.5
8.450
0.6
%
V
8.4
%
V
4.163
-0.7
4.192
4.221
0.7
%
V
Battery Undervoltage Lockout Trip
Point for Trickle Charge
2.55
2.7
2.85
Battery Undervoltage Lockout Trip
Point Hysteresis
100
250
400
mV
mV
CHARGE CURRENT REGULATION
CSOP to CSON Full-Scale
Current-Sense Voltage
78.22
80.64
8.064
83.06
Charge Current and Accuracy
RS2 = 10mΩ (see Figure 4)
ChargingCurrent = 0x1f80
7.822
-3
8.306
3
A
%
A
RS2 = 10mΩ (see Figure 4)
ChargingCurrent = 0x0f80
3.809
-4
3.968
128
4.126
4
%
mA
RS2 = 10mΩ (see Figure 4)
64
220
ChargingCurrent = 0x0080
Charge Current Gain Error
Based on charge current = 128mA and 8.064A
-1.6
0
1.4
19
%
V
CSOP/CSON Input Voltage Range
FN6978.0
March 8, 2010
6
INTERSIL [ Intersil ]
