ISL6255 Datasheet, PDF (12/22 Pages) Intersil Corporation – Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

ISL6255, ISL6255A
VCC
DIGITAL
INPUT
DIGITAL
INPUT
D/A OUTPUT
OUTPUT
A/D INPUT
HOST
AVDD/VREF
SCL
SDL
A/D INPUT
GND
ADAPTER
R8 ^VDD
C8
Q3
130k
1%
Q5
0.1µ _CSON
R14
100k
1%
R9
10.2k
1%
R15
11.5k
1%
C7
1µF
R16
100k
C9
1µF
R5
100k
DDCCININ
AACCSSEETT
SGSGATAETE
CCSSIPIP
R10
4.7Ω
DDCCSSEETT
ISLIS6L2IS652L5565255 ^CCSSININ
ISISLL6I26S52L56A52A55A
VVDDDDPP
BBGGAATETE
VVDDDD
BBOOOOTT
UGUAGTAETE
AACCPPRRNN
PHPAHSAESE
DDCCPPRRNN
LGLGAATETE
CCHHLLIMIM
PGPGNDND
C2
0.1µF
R2
20mΩ
R3: 18Ω
VDDP
D2
C4
0.1µF
C1:10µF
Q1
SYSTEM LOAD
Q4
D1
Q2
Optional L
10µH
R7: 100Ω
EENN
C11
VREF
3300pF5.15A _INPUT
CURRENT LIMIT
ICICMM
AACCLLIMIM
R11,R12
R13: 10K
C6
6.8nF
VVRREEFF
ICICOOMMPP
VVCCOOMMPP
R6 C5
10k 10nF
CCSOSOPP
CSCOSONN
CCEELLSLS
VVAADDJJ
GGNNDD
C3
R4
1µF 2.2Ω
GND
3 CELLS
FLOATING
4.2V/CELL
R1
40mΩ
C10
10µF
BAT+
BATTERY
Pack
SCL
SDL
TEMP
BAT-
FIGURE 16. ISL6255, ISL6255A TYPICAL APPLICATION CIRCUIT WITH µP CONTROL AND AIRCRAFT POWER SUPPORT
12
FN9203.1
June 17, 2005