ISL6253 Datasheet, PDF (11/22 Pages) Intersil Corporation – Highly Integrated Battery Charger for Notebook Computers

ISL6253
INPUT: 7V TO 25V
Q3
VCC
DIGITAL
INPUT
D/A OUTPUT
OUTPUT
A/D INPUT
HOST
AVDD/VREF
SCL
SDL
A/D INPUT
GND
R8
D3
130K
1%
R9
10.2K
1%
C12
1µF
R5
C10
100K
1µF
C9
0.1µF
CSON
DCIN
SGATE
R7
4.7Ω
ACSET
CCSSIPIP
ISLIS6L2652353
VDDP
CCSSININ
VDD
BBOOOOTT
ACPRN
UGUAGTAETE
CHLIM
PHPAHSAESE
R13: 100Ω
C13
5A INPUT
CURRENT LIMIT
0.1µF
EN
ICM
ACLIM
C7
6.8nF
VREF
ICOMP
R6
C6
10K 10nF
R10, R11, R12
10K _FLOATING
4.2V/CELL
VCOMP
VADJ
LGLAGTAETE
PGPGNNDD
CCSOSOPP
CCSOSONN
CCELELLSLS
GGNNDD
DCDSCESTET
C3
0.1µF
R3: 18Ω
VDDP
D2
C5
0.1µF
R2
20mΩ
SYSTEM
LOAD
C1:10µF
C2
10µF
Q1
D1
Q2
OPTIONAL L
15µH
C4
R4
2.2Ω
1µF
4 CELLS
VDD
C11
22µF
R1
25mΩ
BAT+
BATTERY
PACK
SCL
SDL
TEMP
BAT-
FIGURE 17. TYPICAL APPLICATION CIRCUIT 1
11