ISL6252 INTERSIL [Intersil Corporation], ISL6252 Datasheet - Page 3

• Manufacturer Part Number: ISL6252
• Description: Highly Integrated Battery Charger Controller for Notebook Computers
• Manufacturer: INTERSIL [Intersil Corporation]

VCOMP
ACPRN
ACSET
ICOMP
CELLS
ACLIM
VREF
VADJ
514kΩ
514kΩ
3
152kΩ
152kΩ
SELECTOR
VOLTAGE
REFERENCE
VREF
VREF
VDD
GND
ADAPTER
CURRENT
LIMIT SET
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM
2.1V
+
-
gm1
1.26V
FB
ISL6252, ISL6252A
-
MIN
VOLTAGE
BUFFER
ICM
gm3
CURRENT
+
-
32kΩ
16kΩ
48kΩ
BUFFER
288kΩ
MIN
CSON
-0.25
Σ
-
X19.9
CA2
CSIP CSIN
-
+
CSOP CHLIM
gm2
X19.9
CA1
+
300kHz
RAMP
-
+
-
PWM
REGULATOR
LDO
+
-
1.065V
DCIN
VDD
BOOT
UGATE
PHASE
VDDP
LGATE
PGND
EN
August 25, 2010
FN6498.3