ISL6255 Datasheet, PDF (5/22 Pages) Intersil Corporation – Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

ISL6255, ISL6255A
Electrical Specifications
PARAMETER
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, C_VDD=1µF, I_VDD=0mA, T_A=-10°C to +100°C,
T_J ≤ 125°C, unless otherwise noted. (Continued)
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 Trans-
conductance
50
µA/V
Adapter Current Error Amplifier Trans-
conductance
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
5.5
10
mV
CSIP-CSIN Threshold Hysteresis
1
2
5
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
5
FN9203.1
June 17, 2005