ISL6255_14 Datasheet, PDF (10/22 Pages) Intersil Corporation – Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

ISL6255, ISL6255A
ICM SGATE CSIP CSIN _DCSET
DCPRN
ACSET
ACPRN
ACLIM
ICOMP
VCOMP
VADJ
CELLS
VREF
CA1+^{´XC1A9.19 -} -
+
1.26V _-
+
-
VREF ₊ ^1.26V
152K
- _A1d.2a7pVter
Current
152K
AdaLpitmerit ^Set
Current Limit Set
-
gm3 _-
+-gm3
+
Min
Current
Buffer
2.1V ₊
gm1
-
MMiinn
VVoollttaaggee
BBuufffeerr
+-
VREF
514K
gm1
Voltage + -
00..2255VV^CCAA22++--
Selector
514K
gm2
Voltage
+ _Selector
-
V_CA2VCA2
VDD
Reference
XC´ 2A02
- CA2
CSON
RReeLLggDDuuOOllaattoorr
-
PWM
++
VDDP
- ^11..00665VV
+
BGATE
DCIN
VDD
BOOT
UGATE
PHASE
VDDP
LGATE
PGND
EN
GND
CSON CSOP _CHLIM
FIGURE 14. FUNCTIONAL BLOCK DIAGRAM
10
FN9203.2
May 23, 2006