ACT3780

Product Brief, 29-May-08

Active-Semi

- 2 -

www.active-semi.com

Copyright © 2008 Active-Semi, Inc.

FUNCTIONAL BLOCK DIAGRAM

ORDERING INFORMATION

PART NUMBER

BATTERY

VOLTAGE

PACKAGE

PINS

TEMPERATURE

RANGE

ACT3780QY-T

4.2V

TQFN44-20

20

-40°C to 85°C

SYSTEM

VOLTAGE

4.6V

ACT3780NY-T

4.2V

4.6V

TDFN3545-20

20

-40°C to 85°C

: Battery and system voltage options detailed in this table represent standard voltage options, and are available for samples or pro-

duction orders. Contact Active-Semi for more information regarding semi-custom output voltage combinations.

: All Active-Semi components are RoHS Compliant and with Pb-free plating unless specified differently. The term Pb-free means

semiconductor products that are in compliance with current RoHS (Restriction of Hazardous Substances) standards.

CHGLEV

REF

VOLTAGE SENSE

110°C

THERMAL

REGULATION

GA

System and

Charger Control

ACT3780

Body

Control

CURRENT SENSE

Body

Control

BAT

SYS

CHG_IN

+

–

DC

EN

ACIN

BTR

BLV1

BLV2

nACOK

STAT3

STAT2

STAT1

TH

ISET

DCCC

+

-

Active-Semi