ISL6256 View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

ISL6256

Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers

Intersil 

ISL6256, ISL6256A

ICM

SGATE CSIP CSIN

ACSET

ACPRN

ACLIM

ICOMP

VCOMP

VADJ

CELLS

VREF

+

- 1.26V

+-

X19.9

CA1

+

1.26V -

DCSET

DCPRN

VREF

152kΩ

152kΩ

ADAPTER

CURRENT

LIMIT SET

-

gm3

+

MIN

CURRENT

BUFFER

MIN

VOLTAGE

Σ

BUFFER

CSON

-

+

LDO

REGULATOR

300kHz

RAMP

-

PWM

+

BGATE

DCIN

VDD

BOOT

UGATE

PHASE

VREF

514kΩ

514kΩ

gm1

-

2.1V

VOLTAGE

SELECTOR

VDD

REFERENCE

-0.25

288kΩ

32kΩ

gm2

-

16kΩ

48kΩ

CA2

-X19.9

+

VDDP

LGATE

PGND

1.065V

-

+

EN

GND

FB

CSON CSOP CHLIM

FIGURE 1. FUNCTIONAL BLOCK DIAGRAM

3

FN6499.1

July 19, 2007

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