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ACT8945A Datasheet(PDF) 1 Page - Qorvo, Inc

No. de pieza ACT8945A
Descripción Electrónicos  Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors
PDF  46 Pages
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Fabricante Electrónico  QORVO [Qorvo, Inc]
Página de inicio  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT8945A Datasheet(HTML) 1 Page - Qorvo, Inc

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ACT8945A
Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors
Data Sheet Rev. G, January 2020 | Subject to change without notice
1 of 46
www.qorvo.com
© 2020 Qorvo US, Inc. All rights reserved.
FEATURES
• Three Step-Down DC/DC Converters
• Four Low-Dropout Linear Regulators
• Integrated ActivePath
TM Charger
• I
2CTM Serial Interface
• Advanced Enable/Disable Sequencing Controller
• Minimal External Components
• Tiny 5×5mm TQFN55-40 Package
− 0.75mm Package Height
− Pb-Free and RoHS Compliant
GENERAL DESCRIPTION
The ACT8945A is a complete, cost effective, highly-
efficient ActivePMTM power management solution,
optimized for the unique power, voltage- sequencing,
and control requirements of the Atmel SAMA5D3 series:
SAMA5D[31/33/34/35/36],
and
Atmel
SAM9
series:
SAM9G[15/25/35/45/46],
SAM9X[25/35], SAM9M[10/11],
SAM9N[11/12] processors. It is ideal for a wide range of
high performance portable handheld applications such as
human-machine interfaces, control panels, smart grid
infrastructures, network gateways, M2M systems, 2D
barcode scanners, barcode printers, machine
vision
equipment, as well as home and commercial building
automations, POS terminals, medical devices and white
goods. This device integrates the ActivePath
TM complete
battery charging and management system with seven
power supply channels.
This
device
features
three
step-down
DC/DC
converters and four low-noise, low-dropout linear
regulators, along with a complete battery charging
solution
featuring
the
advanced
ActivePath
TM
system-power selection function.
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 1100mA of output
current, while the third supports up to 1200mA. All
four
low-dropout
linear
regulators
are
high-
performance, low-noise regulators that supply up to
320mA of output current.
The ACT8945A is available in a compact, Pb-Free
and RoHS-compliant TQFN55-40 package
TYPICAL APPLICATION DIAGRAM


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