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ISL6255_06 Datasheet, PDF (5/22 Pages) Intersil Corporation – Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers
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ISL6255, ISL6255A
Electrical Specifications
DCIN = CSIP = CSIN = 18V, CSOP = CSON = 12V, ACSET = DCSET = 1.5V, ACLIM = VREF,
VADJ = Floating, EN = VDD = 5V, BOOT-PHASE = 5.0V, GND = PGND = 0V, CVDD = 1µF, IVDD = 0mA,
TA = -10°C to +100°C, TJ ≤ 125°C, unless otherwise noted. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ADAPTER CURRENT LIMIT THRESHOLD
CSIP to CSIN Full-Scale Current Sense
Voltage
ACLIM = VREF
ACLIM = Float
97
100
103
mV
72
75
78
mV
ACLIM = GND
47
50
53
mV
ACLIM Input Bias Current
ACLIM = VREF
10
16
20
µA
ACLIM = GND
-20
-16
-10
µA
VOLTAGE REGULATION ERROR AMPLIFIER
Error Amplifier Transconductance from
CSON to VCOMP
CELLS = VDD
30
µA/V
CURRENT REGULATION ERROR AMPLIFIER
Charging Current Error Amplifier
Transconductance
50
µA/V
Adapter Current Error Amplifier
Transconductance
50
µA/V
BATTERY CELL SELECTOR
CELLS Input Voltage for 4 Cell Select
4.3
V
CELLS Input Voltage for 3 Cell Select
2
V
CELLS Input Voltage for 2 Cell Select
2.1
4.2
V
MOSFET DRIVER
BGATE Pull-Up Current
CSIP-BGATE = 3V
10
30
45
mA
BGATE Pull-Down Current
CSIP-BGATE = 5V
2.7
4.0
5.0
mA
CSIP-BGATE Voltage High
8
9.6
11
V
CSIP-BGATE Voltage Low
50
0
50
mV
DCIN-CSON Threshold for CSIP-BGATE
Going High
DCIN = 12V, CSON Rising
-100
0
100
mV
DCIN-CSON Threshold Hysteresis
250
300
400
mV
SGATE Pull-Up Current
CSIP-SGATE = 3V
7
12
15
mA
SGATE Pull-Down Current
CSIP-SGATE = 5V
50
160
370
µA
CSIP-SGATE Voltage High
8
9
11
V
CSIP-SGATE Voltage Low
-50
0
50
mV
CSIP-CSIN Threshold for CSIP-SGATE
Going High
2.5
8
13
mV
CSIP-CSIN Threshold Hysteresis
1.3
5
8
mV
LOGIC INTERFACE
EN Input Voltage Range
0
VDD
V
EN Threshold Voltage
Rising
1.030
1.06
1.100
V
Falling
0.985
1.000
1.025
V
Hysteresis
30
60
90
mV
EN Input Bias Current
EN = 2.5V
1.8
2.0
2.2
µA
ACPRN Sink Current
ACPRN = 0.4V
3
8
11
mA
ACPRN Leakage Current
ACPRN = 5V
-0.5
0.5
µA
DCPRN Sink Current
DCPRN = 0.4V
3
8
11
mA
5
FN9203.2
May 23, 2006
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