Allegro MicroSystems Redefines Magnetic Current Sensing with Compact, Integrated Solutions for Industrial, Automotive and Clean Energy Applications
08 July 2024 - 10:00PM
Allegro MicroSystems, Inc. (“Allegro”) (Nasdaq: ALGM), a global
leader in power and sensing solutions for motion control and
energy-efficient systems, today announced the launch of its newest
high-power current sensor, the ACS37220, as well as the preliminary
release of the industry’s smallest leaded magnetic current sensor,
the ACS37041. Allegro’s latest solutions enable improved efficiency
and reliability, enhanced system protection and a smaller bill of
materials compared to discrete shunt resistor and op-amp-based
current sensing solutions.
Current shunt solutions require multiple
components, take up significant board space and frequently require
additional PCB layers and heatsinks to maintain acceptable thermal
performance. These factors inevitably add weight and size, as well
as design complexities that often lead to increased cost and
production time.
Allegro's new sensors address current industry
challenges by providing a smaller footprint, higher efficiency, and
simpler integration. The ACS37220 is designed to replace high-power
sense resistors and can be used for high-current monitoring
applications up to 200A. The ACS37041 offers a high level of
integration in a compact SOT23-W package and is suitable for a wide
range of current sensing applications up to 30A.
“We are excited to bring the ACS37220 and ACS37041
to market. Their small footprint and low-power dissipation provides
our customers with a great alternative to traditional shunts,” said
Shaun Milano, Business Line Director, Current Sensors at Allegro.
“Allegro’s new current sensors demonstrate the company’s commitment
to driving innovation and developing highly efficient sensor
technology that address the needs of our customers and the design
community as a whole.”
Allegro’s new current sensors integrate the
functions of the shunt resistor, shunt amplifier and other passive
components into a single package. The compact design and efficiency
improvements make them ideal low voltage (< 100 V) sensors
compared to traditional shunts, while offering the following
benefits:
Lower heat dissipation: The lower
conductor resistance of integrated magnetic current sensors’ lead
frames results in cooler system temperatures.Simplified
design: With fewer components to place and route, PCB
layout is more straightforward.Innovative
packaging: Allegro’s integrated sensor solutions integrate
the functionality of a traditional shunt resistor circuit into a
single package, simplifying component placement and streamlining
the design process while minimizing the overall board of materials
(BOM).
To learn more about the ACS37220 and ACS37041, or
to order evaluation boards, design tools, and samples, visit
https://www.allegromicro.com/en/Insights-and-Innovations/Allegro-Technology/eliminate-the-shunt.
About Allegro MicroSystemsAllegro
MicroSystems, Inc. is a leading global designer, developer, fabless
manufacturer and marketer of sensor integrated circuits (“ICs”) and
application-specific analog power ICs enabling emerging
technologies in the automotive and industrial markets. Allegro’s
diverse product portfolio provides efficient and reliable solutions
for the electrification of vehicles, automotive ADAS safety
features, automation for Industry 4.0 and power-saving technologies
for data centers and clean energy applications. For additional
information, please visit https://www.allegromicro.com/en/.
Media Contact: Tyler
WeilandCorporate Communications+1 (972)
571-7834tweiland.cw@allegromicro.com
Allegro Contact: Laura
KozikowskiSr. Director of Global
Marketinglkozikowski@allegromicro.com
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