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Technical Articles

Allegro MicroSystems Inc. has published these technical articles:

(Motor Controls and Drives)
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"BSG systems are becoming more common in HEV motor control designs due to their easy implementation, similar footprint to existing alternator systems and the elimination of major modifications to the...
(Motor Controls and Drives)
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To control the drive train in HEV and full EV vehicles, it is well-known that current sensing is required particularly in starter generator and main electric drive motor generator applications....
(Motor Controls and Drives)
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The current power tool market is a large and diverse space with a wide range of low and high power batteries that make it difficult to design a common platform to fit all tools. A tool line up can...
(Power and Power Management IC)
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Both homeowners and professional consumers have been migrating from AC-powered (corded) tools to DC battery-powered (cordless) tools, and manufacturers are continuing to migrate from DC to brushless...
(Motor Controls and Drives)
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In modern fans or pumps, cost savings and power efficiency incentives are pushing motor designs toward sensorless motor drivers. Conventional motor drivers use trapezoidal motor control with three...
(Motor Controls and Drives)
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Brushless DC [BLDC] motor control has been gaining traction across all markets, replacing DC and stepper motors. The primary driver is the demand for increased efficiency and lower noise....
(Motor Controls and Drives)
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Advanced driver assistance systems (ADAS) are a ubiquitous feature of modern vehicles, including a host of electronic technologies for enhancing the safety and drivability of automobiles. ADAS...
(Power and Power Management IC)
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As solar installations grow larger and more ambitious by the day, new trends in current sensing are emerging for this expanding energy market....
(Motor Controls and Drives)
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Cost, design time, and unexpected results: These are three of the most significant challenges that weigh on the minds of project managers who are involved with the design of power modules. Whether for...
(Power and Power Management IC)
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Allegro MicroSystems is a world leader in developing, manufacturing, and marketing high-performance integrated circuits (ICs), which incorporate high performance magnetic transducers. This whitepaper...
(Motor Controls and Drives)
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Allegro current sensor ICs use the Hall-effect to measure the magnetic field produced by an integrated, current carrying loop, translating the magnetic field to a voltage which is proportional to the...
(Motor Controls and Drives)
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This application note describes the use of the new highly isolated, high bandwidth ACS733 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and gives an overview of its...
(Sensor Transmitters)
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Electrification in automotive and industrial applications is changing sensing requirements and creating new demands. As automotive and industrial applications advance toward greater autonomy, demand...
(Linear Position Sensing)
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Household electronic systems with higher levels of integration are quickly being adopted to enable an improved user experience. As consumers find new ways to outfit their living spaces with...
(Motor Controls and Drives)
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This application note explains the turn-on and turn-off procedures of a FET. It also highlights some of the critical parasitic components and how to mitigate their effects, in particular, the use of...
(Motor Controls and Drives)
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Many BLDC motor applications require Hall-based position sensing to accommodate direction changes quickly and provide holding torque. For example, a robotic lawnmower, ebike, or personal mobility...
(Motor Controls and Drives)
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Modern server applications need uninterrupted service. Accommodating this requirement can result in adverse scenarios-from inefficient airflows created by reverse-rotating fan blades that have lost...
(Sensor Transmitters)
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The effective range of a lidar system depends on the sensitivity of its photoreceiver and the strength of optical signal returns as a function of target range. Parameters affecting signal-return...
(Motor Controls and Drives)
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This application note shows how to minimize PCB parasitic effects with optimum layout of the gate driver loop....
(Diodes)
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An analysis is presented of the error introduced into estimates of avalanche photodiode (APD) lidar performance by assuming Gaussian distribution of the APD multiplication gain. The amplitude of...
(Sensor Transmitters)
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This article will discuss two new innovative approaches to measure currents up to 600 A in PCB: a near-lossless Hall-based current sensor with an integrated conductor and a non-invasive standalone...
(Sensor Chips)
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Across all markets, from renewable energy and motor drives to electric vehicles, electronic devices are challenged to be smaller, more efficient, and less expensive. This increases the complexity of...
(Velocity Sensing)
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Magnetic sensors are used extensively in modern vehicles, serving to measure the position of moving parts, rotation angles, and the flow of electric current. The versatility, reliability, and economy...
(Power and Power Management IC)
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Closed-loop current sensing technology is employed in many industrial and automotive applications for accurate current sensing. By employing proprietary packaging techniques and advanced integrated...
(Power and Power Management IC)
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In the rapidly evolving world of electric vehicles (EVs), GHSP, a leading provider of mechanical and electromechanical systems, has been on the forefront of innovation. Their latest project, the...
(Motor Controls and Drives)
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The increase in requirements for highly fuel-efficient, lower-emission two-wheelers is driving internal combustion engine designers to switch from carburetor-based air-fuel mixing to electronic fuel...
(Motor Controls and Drives)
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The climate crisis is a global problem requiring a global solution. The shift to clean energy is not just about saving the planet; it's about creating a sustainable future for everyone. Burning fossil...
(Sensor Transmitters)
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In today's semiconductor industry, we assuredly notice a growing demand for enhanced efficiency across various industrial and automotive sectors, prompting significant shifts in design considerations,...
(Motor Controls and Drives)
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When designing a product portfolio with a wide range of voltage and power requirements, finding a single driver design solution to serve the full portfolio can deliver significant savings in time and...
(Motor Controls and Drives)
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The world continues to become increasingly electrified, and both the demand for energy and the requirements placed on that energy continue to expand. Between automobile electrification, internet...
(Power and Power Management IC)
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As the demand for solar energy grows, so does the demand for solar inverters, which play a crucial role in converting the direct current (DC) generated by solar panels into alternating current (AC)...