ISL6252 Datasheet, PDF (4/25 Pages) Intersil Corporation – Highly Integrated Battery Charger Controller for Notebook Computers

ISL6252, ISL6252A
AC ADAPTER
R8
130k
1%
R9
10.2k
1%
D3
C8
0.1µF
DCDICNIN
ACASCESTET
D4
CSIP
TO HOST
CONTROLLER
C7
1µF
3.3V
R5
100k
C6 _6.8nF
R10
4.7Ω
C9
1µF
IISSLL66225522
ISIISS6LL2665225522A
VDVDPDP
CCSSIINN
VDVDD
BBOOOOTT
ACAPCRPNRN ^UUGGAATTEE
ICICOOMMPP ^PPHHAASSEE
R21 2.2Ω
C2
0.1µF
R2
20mΩ
R22 22Ω
VDDP _{C1:10 µF}
D2
C4
Q1
0.1µF
SYSTEM LOAD
R6 C5 _10nF
4.7k _FLOATING
4.2V/CELL
VCVOCMOMP P
VAVDAJDJ
LLGGAATTEE
PPGGNNDD
D1
L
Q2
OPTIONAL _4.7µH
R11 22Ω
CHARGE
ENABLE
EENN
CCSSOOPP
C3
0.047µF
R1
20mΩ
ACALCILMIM
VREF
R12
2.6A CHARGE LIMIT
20k 1% _{253mA TRICKLE CHARGE}
R13
1.87k
TRICKLE ^1%
CHARGE
R11
130k
1%
Q6
VRVREFEF
CHCHLILMIM
CCSSOONN
CELLS
VDD
4 CELLS
R12 22Ω
C10
22µF
ICM
R7: 100Ω
GND
C11
3300pF
D5 R23
1N914 _10k
BAT+
BATTERY
PACK
BAT-
VDD
FIGURE 2. ISL6252, ISL6252A TYPICAL APPLICATION CIRCUIT WITH FIXED CHARGING PARAMETERS
4
FN6498.3
August 25, 2010