®
ACT5830
Rev 2, 20-Jan-11
Twelve Channel PMU for Mobile Phones
FEATURES
•
Multiple Patents Pending
•
350mA, PWM Step-Down DC/DC Converter
•
Eight I
2
C-Programmable, Low Noise LDOs
−
Three Optimized for RF Section Power
−
Five Optimized for BB Section Power
•
Li+ Battery Charger with Integrated MOSFET
−
Charger Current Monitor Output (VICHG)
−
Charger ON/OFF Control Pin
•
Two N-channel Open Drain Switches
•
Minimal External Components
•
I
2
C
TM
Serial Interface
−
Configurable Operating Modes
•
AC-OK and RESET Outputs
•
5×5mm, Thin-QFN (TQFN55-40) Package
−
Only 0.75mm Height
−
RoHS Compliant
GENERAL DESCRIPTION
The patent-pending ACT5830 is a complete,
integrated power management solution that is ideal
for mid-high and mobile phones. This device
integrates a linear Li+ battery charger with an
internal power MOSFET, a high efficiency 350mA
DC/DC converter, eight low dropout linear
regulators, a reset output, and two N-Channel open
drain switches, and an I
2
C Serial Interface to
achieve flexibility for programming LDO outputs and
individual on/off control.
The charger is a complete, thermally-regulated,
stand-alone single-cell linear Li+ battery charger
that incorporates an internal power MOSFET for
constant-current/constant-voltage control. The
charger includes a variety of value-added features,
and it is programmable via the I
2
C-Interface to
control charging current, termination voltage, along
with safety features and operation modes.
The ACT5830 is available in a compact 5mm x
5mm 40-pin Thin-QFN package that is just 0.75mm
thin.
APPLICATIONS
•
GSM or CDMA Mobile Phones
SYSTEM BLOCK DIAGRAM
Pb-free
Innovative Power
TM
ActivePMU
TM
is a trademark of Active-Semi.
I
2
C
TM
is a trademark of NXP.
-1-
www.active-semi.com
Copyright © 2010 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
