ISL6257HRZ-T View Datasheet(PDF) - Intersil

Part Name

Description

View to exact match

ISL6257HRZ-T

Highly Integrated Narrow VDC Battery Charger for Notebook Computers

Intersil 

ISL6257

ACSET

ACPRN

ACLIM

SGATE

+

- 1.26V

VREF

152kΩ

152kΩ

ADAPTER

CURRENT

LIMIT SET

-

gm3

+

CSIP CSIN

+-

X19.9

CA1

DCSET

+

1.26V -

CSON -

+

DCPRN

LDO

REGULATOR

BGATE

DCIN

VDD

ICOMP

VCOMP

VADJ

CELLS

VREF

MIN

CURRENT

BUFFER

MIN

VOLTAGE

Σ

BUFFER

300kHz

RAMP

-

PWM

+

VREF

514kΩ

514kΩ

gm1

-

2.1V

VOLTAGE

SELECTOR

VDD

REFERENCE

288kΩ

32kΩ

gm2

-

16kΩ

48kΩ

CA2

-X19.9

+

GND

FB

CSIP CSOP CHLIM

BOOT

UGATE

PHASE

VDDP

LGATE

PGND

1.065V

-

+

EN

FIGURE 19. FUNCTIONAL BLOCK DIAGRAM

10

FN9288.2

January 17, 2007

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