ISL6256(2010) Ver la hoja de datos (PDF) - Intersil

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componentes Descripción

Fabricante

ISL6256
(Rev.:2010)

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

Intersil 

ISL6256, ISL6256A

ICM

SGATE CSIP CSIN

ACSET

ACPRN

+

- 1.26V

+

-

X19.9

CA1

+

1.26V -

DCSET

DCPRN

ACLIM

ICOMP

VCOMP

VADJ

CELLS

VREF

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

16kΩ

48kΩ

gm2

-

CA2

X19.9

-

+

VDDP

LGATE

PGND

1.065V

-

+

EN

GND

FB

CSON CSOP CHLIM

FIGURE 1. FUNCTIONAL BLOCK DIAGRAM

3

FN6499.3

September 14, 2010

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