Qorvo® Introduces Advanced Power Solution for Phased Array Systems
February 02 2023 - 8:00AM
Qorvo® (Nasdaq: QRVO), a leading global provider of
connectivity and power solutions, today announced a compact,
three-stage power solution for phased array commercial and defense
radar. The three-chip solution provides configurable GaN bias point
autocalibration, enabling engineers to maximize system performance
for different GaN power amplifiers (PAs) without changing the board
design.
Qorvo’s new chipset optimizes one of the largest and most
expensive parts of a phased array system: the pulsed-energy storage
capacitors. Through an innovative new architecture, this solution
reduces capacitance by up to 90%, shrinking system volume by up to
30% while reducing weight and operating costs.
Philip Chesley, president of Qorvo’s High Performance Analog
business, said, “This complete radar power solution integrates
advanced technologies from across Qorvo, combining an innovative
new power conversion architecture, our best-in-class GaN RF power
amplifiers and efficient, reliable silicon carbide FETs.”
The new three-stage solution consists of the following:
- ACT43950 is a high-voltage constant-current
capacitor charge controller that works with Qorvo’s silicon carbide
power switches to provide fully programmable output voltage and
current, allowing customers to maximize system performance. This
regulator’s architecture, in conjunction with the following stages,
minimizes power storage capacitor requirements.
- ACT43850, an RF Point-of-Load (RFPoL)
step-down DC-DC power converter, takes the output from the ACT43950
and steps it down to a well-regulated voltage optimized for Qorvo
GaN power amplifiers. Its advanced configuration options allow RF
system designers to minimize noise and EMI, maximizing the
performance of the radar array.
- ACT43750 is a highly-integrated drain switch
and negative gate voltage regulator PMIC that enables ultra-fast RF
GaN PA drain switching. By automating gate voltage bias sequencing,
autocalibration and dynamic bias recalibration, Qorvo simplifies
system manufacturing while mitigating the effects of device aging
and temperature on RF performance.
Qorvo offers an evaluation board (CB1-750-850-950) that allows
customers to test the performance of this three-stage solution with
a wide set of RF GaN PAs. The evaluation board’s intuitive
graphical user interface (GUI) allows customers to reconfigure the
default settings to optimize performance for their specific PA. It
demonstrates the reduced bulk capacitor requirements and gate bias
autocalibration. The board’s flexible design can be used to
evaluate the individual stages or the entire three-chip solution
with an RF PA, enabling faster time to market.
To learn more about Qorvo's radar chipset solution and request
samples, visit http://www.qorvo.com/go/pwr-radar-chipset.
About QorvoQorvo (Nasdaq: QRVO) supplies
innovative semiconductor solutions that make a better world
possible. We combine product and technology leadership,
systems-level expertise and global manufacturing scale to quickly
solve our customers' most complex technical challenges. Qorvo
serves diverse high-growth segments of large global markets,
including consumer electronics, smart home/IoT, automotive, EVs,
battery-powered appliances, network infrastructure, healthcare and
aerospace/defense. Visit www.qorvo.com to learn how our
diverse and innovative team is helping connect, protect and power
our planet.
Qorvo is a registered trademark of Qorvo, Inc. in the U.S. and
in other countries.
Investor Relations Contact:Doug DeLietoVP,
Investor RelationsW +1-336-678-7088 |
Media Contact:Scott LewisDirector – Product
Marcomscott.lewis@qorvo.com |
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