Product Brief, 05-Dec-12
ACT3780
ORDERING INFORMATION
PART NUMBER
ACT3780QY-T
ACT3780QY410-T
BATTERY
VOLTAGE
4.2V
4.1V
SYSTEM
VOLTAGE
4.6V
4.6V
PACKAGE
TQFN44-20
TQFN44-20
PINS
20
20
TEMPERATURE
RANGE
-40°C to 85°C
-40°C to 85°C
: 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.
: Standard product options are identified in this table. Contact factory for custom options. Minimum order quantity is 12,000 units.
FUNCTIONAL BLOCK DIAGRAM
Body
Control
CHG_IN
(Optional)
AC Adaptor
USB
ACT3780
SYS
System Supply
Body
Control
ACIN
BAT
+
-
CURRENT SENSE
EN
VOLTAGE SENSE
PRECONDITION
REF
CHGLEV
nBLV1
V
THH
TH
nBLV2
+
–
+
–
Thermal
Shutdown
System and
Charger Control
nACOK
V
THL
ISET
nSTAT3
DCCC
nSTAT2
nSTAT1
BTR
EP
THERMAL
REGULATION
G
110°C
Innovative Power
TM
ActivePath
TM
-2-
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
is a trademark of Active-Semi.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
