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ACT8892 Advanced Power Management Unit ACTIVE-SEMI
Active-Semi, Inc ACTIVE-SEMI
ACT8892 Datasheet PDF : 2 Pages
1 2
ACT8892
Product Brief, 05-Dec-12
Advanced Power Management Unit
FEATURES
Three Step-Down DC/DC Converters
Four Low-Dropout Linear Regulators
I2CTM Serial Interface
Advanced Enable/Disable Sequencing Controller
Minimal External Components
Tiny 4×4mm TQFN44-32 Package
0.75mm Package Height
Pb-Free and RoHS Compliant
GENERAL DESCRIPTION
The ACT8892 is a complete, cost effective, highly-
efficient ActivePMUTM power management solution
that is ideal for a wide range of high performance
portable handheld applications such as tablet or pad
devices.
This device features three step-down DC/DC
converters and four low-noise, low-dropout linear
regulators.
The three DC/DC converters utilize a high-
efficiency, fixed-frequency (2MHz), current-mode
PWM control architecture that requires a minimum
number of external components. Two DC/DCs are
capable of supplying up to 1150mA of output
current, while the third supports up to 1300mA. All
four low-dropout linear regulators are high-
performance, low-noise, regulators that supply up to
320mA.
The ACT8892 is available in a compact, Pb-Free
and RoHS-compliant TQFN44-32 package.
TYPICAL APPLICATION DIAGRAM
Battery
nPBIN
PWRHLD
PWREN
VSEL
nPBSTAT
SCL
SDA
nIRQ
nRSTO
System
Control
ACT8892
REG1
Step-Down
DC/DC
REG2
Step-Down
DC/DC
REG3
Step-Down
DC/DC
REG4
LDO
REG5
LDO
REG6
LDO
REG7
LDO
Innovative PowerTM
-1-
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of NXP.
VSYS
OUT1
0.6V to 3.9V
Up to 1150mA
OUT2
0.6V to 3.9V
Up to 1150mA
OUT3
0.6V to 3.9V
Up to 1300mA
OUT4
0.6V to 3.9V
Up to 320mA
OUT5
0.6V to 3.9V
Up to 320mA
OUT6
0.6V to 3.9V
Up to 320mA
OUT7
0.6V to 3.9V
Up to 320mA
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
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