ISL6255 INTERSIL [Intersil Corporation], ISL6255 Datasheet - Page 11

• Manufacturer Part Number: ISL6255
• Description: Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers
• Manufacturer: INTERSIL [Intersil Corporation]

VREF
VREF
FIGURE 15. ISL6255, ISL6255A TYPICAL APPLICATION CIRCUIT WITH FIXED CHARGING PARAMETERS
To Host
To Host
Controller
Controller
R12
R12
20k 1%
20k 1%
TRICKLE
TRICKLE
TRICKLE
TRICKLE
CHARGE
CHARGE
CHARGE
CHARGE
CHARGE
CHARGE
CHARGE
CHARGE
ENABLE
ENABLE
ENABLE
ENABLE
2.6A CHARGE LIMIT
2.6A CHARGE LIMIT
253mA Trickle Charge
253mA Trickle Charge
R6: 10k
R6: 10k
11
1.87k
1.87k
1.87k
1.87k
C6:6.8nF
C6:6.8nF
10.2k
10.2k
10.2k
10.2k
R13
R13
AC ADAPTER
130k
130k
130k
130k
1%
1%
1%
1%
3.3V
3.3V
1%
1%
1%
1%
1%
1%
1%
1%
R8
R8
R8
R8
R9
R9
R9
R9
FLOATING
FLOATING
4.2V/CELL
4.2V/CELL
100k
100k
1µF
1
1
1
C5:10nF
C5:10nF
C7
C7
R5
R5
R5
R5
Q6
Q6
Q6
Q6
130k
130k
130k
130k
R11
R11
1%
1%
1%
1%
VDD
VDD
4.7
4.7Ω
R10
R10
R10
R10
1µF
1
1
1
C9
C9
Q5
Q5
DCIN
ACSET
VDDP
VDD
ACPRN
VCOMP
VADJ
ACLIM
ICOMP
EN
VREF
CHLIM
EN
EN
EN
DCIN
DCIN
DCIN
ACSET
ACSET
ACSET
VDDP
VDDP
VDDP
VDD
VDD
VDD
ICOMP
ICOMP
ICOMP
VADJ
VADJ
VADJ
ACLIM
ACLIM
ACLIM
VREF
VREF
VREF
CHLIM
CHLIM
CHLIM
ACPRN
ACPRN
ACPRN
VCOMP
VCOMP
VCOMP
C8
C8
0.1µF
0.1
0.1
0.1
ISL6255A
ISL6255, ISL6255A
ISL6255A
ISL6255
ISL6255
ISL6255
ISL6255A
ISL6255A
ISL6255
CSON
CSON
CSON
CSON
UGATE
UGATE
UGATE
BGATE
BGATE
BGATE
PHASE
PHASE
PHASE
SGATE
BGATE
UGATE
SGATE
SGATE
SGATE
PHASE
LGATE
LGATE
LGATE
LGATE
CELLS
CELLS
CELLS
CELLS
PGND
PGND
PGND
CSON
CSON
CSON
BOOT
BOOT
BOOT
CSOP
CSOP
CSOP
BOOT
PGND
CSOP
CSON
CSIN
CSIN
CSIN
CSIP
CSIP
CSIP
CSIP
CSIN
GND
GND
GND
GND
Q3
Q3
Q3
Q3
ICM
ICM
ICM
ICM
R7: 100Ω
C4
C4
0.1µF
0.1
0.1
0.1
C3
C3
1µF
1
1
1
C2
C2
0.1µF
0.1
0.1
0.1
D2
D2
D2
D2
VDD
VDD
VDD
VDD
4 CELLS
4 CELLS
R3
R3
R3
R3
18
18
18
18Ω
VDDP
VDDP
VDDP
VDDP
Q2
Q2
R4
R4
R4
R4
2.2
2.2
2.2
2.2Ω
C11
C11
3300pF
3300pF
Q1
Q1
C1:10
C1:10
R2
R2
R2
R2
20m
20m
20m
20mΩ
Optional
Optional
D1
D1
D1
D1
µ
F
F
40m
40mΩ
10µH
C10
C10
10µF
10
10
10
R1
R1
R1
R1
L
L
L
L
Q4
Q4
SYSTEM LOAD
SYSTEM LOAD
BAT+
BAT+
BAT+
BAT+
BAT-
BAT-
BAT-
BAT-
Battery
Battery
Pack
Pack
June 17, 2005
FN9203.1