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Allegro MicroSystems

Allegro MicroSystems, Inc. provides innovative system-level solutions in the design and manufacture of advanced mixed-signal Hall-effect sensor and analog power ICs. Allegro develops total solutions for many power IC and sensing applications. They provide vertically integrated mixed-signal ICs, adding more components and greater functionality, being the only Hall-effect manufacturer with BiCMOS design capabilities. BCD (Bi-polar, CMOS, DMOS) products offer greater efficiency and control.

The Current Sensor IC families are innovative, monolithic, isolated Hall-effect based devices that provide a fully-integrated solution in industry-leading small-sized packages. As the world leader in Hall-Effect Sensor ICs, Allegro offers a broad line of silicon-based products that serve many high-end applications within automotive and industrial electronics. Allegro's sensor ICs are based on Hall-effect technology, which allows contactless sensing devoid of mechanical wear, sensing either an external magnet or a ferrous object. Power ICs: Allegro also produces motor driver ICs, power management ICs and power interface ICs. Allegro's ICs are used in office automation (particularly printers), industrial, automotive and portable electronics.

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Allegro MicroSystems


Intended for analog and digital satellite receivers, this dual low-noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator, providing the power and interface signals to two LNB down converters via coaxial cables.

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Allegro MicroSystems


The ACS761 combines Allegro Hall-effect current sense technology with a hot-swap controller resulting in a more efficient integrated controller for 12 V applications. By eliminating the need for a shunt resistor, the I2R losses in the power path are reduced.

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Allegro™ ACS730 current sensor family provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems.

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