ISL6255 INTERSIL [Intersil Corporation], ISL6255 Datasheet - Page 10

• Manufacturer Part Number: ISL6255
• Description: Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers
• Manufacturer: INTERSIL [Intersil Corporation]

VCOMP
ACPRN
ACSET
CELLS
ICOMP
ACLIM
VADJ
VREF
ICM
10
Current Limit Set
Current Limit Set
Reference
Reference
Current Limit Set
Current Limit Set
Reference
Reference
2.1V
2.1V
2.1V
2.1V
Voltage
Voltage
Voltage
Voltage
Selector
Selector
Selector
Selector
VDD
VDD
VDD
VDD
GND
GND
GND
GND
Adapter
Adapter
Adapter
Adapter
FIGURE 14. FUNCTIONAL BLOCK DIAGRAM
+
+
+
+
+
+
+ +
+
+
-
-
-
-
-
-
-
-
-
gm1
gm1
gm1
gm1
1.27V
SGATE
SGATE
ISL6255, ISL6255A
CSON
CSON
-
-
Min
Voltage
Buffer
Min
Min
Min
Min
Min
Min
Voltage
Voltage
Voltage
Voltage
Voltage
Voltage
CSIP
CSIP
0.25 V
CA2
V CA2
V CA2
V CA2
V CA2
20
-
-
-
-
+
+
+
+
X19.9
gm3
gm3
gm3
gm3
CA1
CA1
Current
CSOP
CSOP
CA1
CA1
19.9
Current
Buffer
CA2
Buffer
CSIN
CSIN
Min
Min
Min
Min
Min
Min
-
-
+
-
-
-
gm2
gm2
gm2
gm2
1.26V
CHLIM
CHLIM
CHLIM
CHLIM
DCSET
DCSET
+
-
-
+
+
+
-
-
-
PWM
PWM
PWM
+
+
Regulator
Regulator
CSON
CSON
CSON
CSON
DCIN
DCIN
DCIN
DCIN
LDO
LDO
LDO
LDO
LDO
DCPRN
DCPRN
-
+
+
-
-
+
+
+
+
-
-
-
-
-
+
+
1.065V
DCIN
DCIN
VDD
VDD
BGATE
BGATE
BGATE
UGATE
UGATE
VDDP
VDDP
PHASE
PHASE
LGATE
LGATE
LGATE
LGATE
BOOT
BOOT
PGND
PGND
EN
EN
June 17, 2005
FN9203.1