參數(shù)資料
型號(hào)： ISL88731
廠商： Intersil Corporation
英文描述： SMBus Level 2 Battery Charger
中文描述： 2級(jí)的SMBus電池充電器
文件頁(yè)數(shù)： 3/22頁(yè)
文件大?。?/td> 474K
代理商： ISL88731
3
FN9258.0
November 20, 2006
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
Thermal Information
Thermal Resistance (Typical, Notes 1, 2)
QFN Package. . . . . . . . . . . . . . . . . . . .
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
θ
JA
(°C/W)
39
θ
JC
(°C/W)
9.5
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
°
C max junction temperature is intended for short periods of time to prevent shortening the lifetime. Operation close to +150
°
C junction may trigger the shutdown of
the device even before +150
°
C, since this number is specified as typical.
1.
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.
2. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
DCIN = CSSP = CSSN = 18V, CSOP = CSON = 12V, VDDP = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V,
CVDDP = 1μF, IVDDP = 0mA, T
A
= -10°C to +100°C
PARAMETER
CONDITIONS
MIN
TYP
MAX
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 2)
ChargingCurrent = 0x1f80
7.822
8.064
8.306
A
-3
3
%
RS2 = 10m
Ω
(see Figure 2)
ChargingCurrent = 0x0f80
3.809
3.968
4.126
A
-4
4
%
RS2 = 10m
Ω
(see Figure 2)
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
0
19
V
ISL88731
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