isl88731c Intersil Corporation, isl88731c Datasheet - Page 6

• Manufacturer Part Number: isl88731c
• Description: Smbus Level 2 Battery Charger
• Manufacturer: Intersil Corporation

Electrical Specifications
CHARGE VOLTAGE REGULATION
Battery Full Charge Voltage and
Accuracy
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
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:
4. θ
5. For θ
features. See Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
6
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V,
GND = PGND = 0V, CVDDP = 1µF, IVDDP = 0mA, T
apply over the operating temperature range, -10°C to +100°C.
ChargeVoltage = 0x41A0
ChargeVoltage = 0x3130
ChargeVoltage = 0x20D0
ChargeVoltage = 0x1060
VFB rising
RS2 = 10mΩ (see Figure 4)
ChargingCurrent = 0x1f80
RS2 = 10mΩ (see Figure 4)
ChargingCurrent = 0x0f80
RS2 = 10mΩ (see Figure 4)
ChargingCurrent = 0x0080
Based on charge current = 128mA and 8.064A
ISL88731C
CONDITIONS
Thermal Information
Thermal Resistance (Typical, Notes 4, 5)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
28 Ld TQFN Package. . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
A
= -10°C to +100°C. Boldface limits
(Note 8)
16.716
12.529
8.350
4.163
78.22
7.822
3.809
2.55
MIN
-0.5
-0.5
-0.6
-0.7
-1.6
100
64
-3
-4
0
12.592
4.192
80.64
8.064
3.968
16.8
TYP
250
128
8.4
2.7
JA
(°C/W) θ
38
(Note 8) UNITS
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
September 9, 2010
19
3
4
JC
(°C/W)
6.5
FN6978.1
mV
mV
mA
%
%
%
%
%
%
%
V
V
V
V
V
A
A
V