Alpha and Omega Semiconductor Unveils Industry’s Smallest Smart Motor Module Designed to Meet Reduced PCB Layout Requirements
October 19 2022 - 8:50AM
Business Wire
Highly Integrated AOZ9530QV Smart Motor Module
(SMM) Features Adjustable Gate Drive Current Control that Provides
a Low EMI, Higher Efficiency Solution for 1-Phase/3-Phase BLDC
Motor Drive Designs
Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a
designer, developer and global supplier of a broad range of power
semiconductors, power ICs, and digital power products, today
introduced an extension to its compact Smart Motor Module (SMM)
family. Available in an ultra-compact, thermally enhanced 3mm x 3mm
QFN-18L package, the highly integrated AOZ9530QV SMM is a
half-bridge power stage with a slew of features and protections
that simplify motor drive designs. The AOZ9530QV SMM is suitable
for use in a large number of BLDC fan applications ranging from PC
and server fans, seat cooling and home appliances.
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Highly Integrated AOZ9530QV Smart Motor
Module (SMM) Features Adjustable Gate Drive Current Control that
Provides a Low EMI, Higher Efficiency Solution for 1-Phase/3-Phase
BLDC Motor Drive Designs (Graphic: Business Wire)
The new AOZ9530QV features multiple advanced protection
functions that include short circuit protection, over temperature
protection, Vcc UVLO and bootstrap UVLO. With an input voltage up
to 28 V and supporting high current up to 7 A, the AOZ9530QV has a
wide operating (-40°C to +125°C) ambient temperature range and
offers 100 percent pulse-width modulation (PWM) duty operation
support. The new device also provides adjustable gate drive sink
and source current control that gives designers the ability to
minimize EMI while maximizing power efficiency. These features and
others make the AOZ9530QV an optimal power stage solution for
Brushless DC (BLDC) motor drives. A single AOZ9530QV would be used
for single phase applications, two AOZ9530QV SMMs would be used for
a H-Bridge motor drive, and three AOZ9530QV SMMs are needed for
3-Phase designs.
Technical Highlights
- Smallest 3x3 QFN-18L SMM package helps reduce layout space/PCB
size
- Integrated bootstrap diode
- Adjustable gate drive current control for EMI and enhanced
efficiency
- Self-powered Vcc
- Included multiple protections (OTP, SCP, Vcc UVLO, Bootstrap
UVLO)
- Wide input operation voltage up to 28V, supports output current
up to 7A
- Supports 100% PWM duty operation
- Low 11mOhm RDS(ON) internal NFETs in half bridge
configuration
“We designed the AOZ9530QV in a compact 3mm x 3mm QFN package to
satisfy higher density, space-constrained design trends in BLDC
motor drives. In several cooling fan applications, the PCB for
drive circuitry is enclosed within the fan assembly. The AOZ9530QV
enables shrinking of the PCB enabling a system designer to increase
the size of the fan blades, thus pushing more air within a given
form factor,” said Armin Hsu, Power IC Senior Marketing Manager at
AOS.
Pricing and Availability
The AOZ9530QV is immediately available in production quantities
with a lead-time of 24 weeks. The unit price in 1,000-piece
quantities is $1.00 USD. AOS products are offered in packages with
Pb-free plating and compliant to RoHS standards.
About AOS
Alpha and Omega Semiconductor Limited, or AOS, is a designer,
developer, and global supplier of a broad range of power
semiconductors, including a wide portfolio of Power MOSFET, IGBT,
IPM, TVS, HVIC, SiC, Power IC, and Digital Power products. AOS has
developed extensive intellectual property and technical knowledge
that encompasses the latest advancements in the power semiconductor
industry, which enables us to introduce innovative products to
address the increasingly complex power requirements of advanced
electronics. AOS differentiates itself by integrating its Discrete
and IC semiconductor process technology, product design, and
advanced packaging know-how to develop high-performance power
management solutions. AOS’s portfolio of products targets
high-volume applications, including portable computers, flat-panel
TVs, LED lighting, smartphones, battery packs, consumer and
industrial motor controls, automotive electronics, and power
supplies for TVs, computers, servers, and telecommunications
equipment. For more information, please visit www.aosmd.com.
Forward-Looking Statements
This press release contains forward-looking statements based on
current expectations, estimates, forecasts, and projections of
future performance based on management’s judgment, beliefs, current
trends, and anticipated product performance. These forward-looking
statements include, without limitation, references to the
efficiency and capability of new products and the potential to
expand into new markets. Forward-looking statements involve risks
and uncertainties that may cause actual results to differ
materially from those contained in the forward-looking statements.
These factors include, but are not limited to, the actual product
performance in volume production, the quality and reliability of
the product, our ability to achieve design wins, the general
business and economic conditions, the state of the semiconductor
industry, and other risks as described in the Company's annual
report and other filings with the U.S. Securities and Exchange
Commission. Although the Company believes that the expectations
reflected in the forward-looking statements are reasonable, it
cannot guarantee future results, level of activity, performance, or
achievements. You should not place undue reliance on these
forward-looking statements. All information provided in this press
release is as of today’s date, unless otherwise stated, and AOS
undertakes no duty to update such information, except as required
under applicable law.
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version on businesswire.com: https://www.businesswire.com/news/home/20221019005241/en/
Mina Galvan Tel: 408.789.3233 Email: mina.galvan@aosmd.com
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