ISL6255 Datasheet, PDF (11/22 Pages) Intersil Corporation – Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

ISL6255, ISL6255A
AC ADAPTER
Q3
R8
130k
1%
VDD
Q5
C8
0.1µF
CSON
R9
10.2k
1%
DCDICNIN
ACASCESTET
SGATE
CSIP
C7
1µF
3.3V
To Host
Controller
R5
100k
C6:6.8nF
R10
4.7Ω
C9
1µF
IISSLL66225555
ISIISSLLL66622255555AAA
VDVDPDP
CCSSIINN
BGATE
VDVDD
BBOOOOTT
ACAPCRPNRN ^UUGGAATTEE
ICICOOMMPP ^PPHHAASSEE
R6: 10k C5:10nF
VCVOCMOMP P ^LGATE
FLOATING
4.2V/CELL
VAVDAJDJ
PPGGNNDD
C2
0.1µF
R2
20mΩ
R3
18Ω
VDDP _{C1:10 µF}
Q4
D2
C4
Q1
0.1µF
D1
L
Q2
Optional _10µH
CHARGE
ENABLE
EENN
ACALCILMIM
VREF
R12
2.6A CHARGE LIMIT
20k 1% _{253mA Trickle Charge}
TRICKLE
CHARGE
R13
1.87k
1%
R11
130k
1%
Q6
VRVREFEF
CCHLHILMIM
CCSSOOPP
CCSSOONN
C3 R4
1µF 2.2Ω
CELLS
VDD
4 CELLS
ICM
R7: 100Ω
GND
C11
3300pF
R1
40mΩ
C10
10µF
SYSTEM LOAD
BAT+
Battery
Pack
BAT-
FIGURE 15. ISL6255, ISL6255A TYPICAL APPLICATION CIRCUIT WITH FIXED CHARGING PARAMETERS
11
FN9203.1
June 17, 2005