Allegro MicroSystems, Inc. has completed its previously-announced acquisition of Heyday Integrated Circuits (Heyday). Heyday is a privately held company specializing in compact, fully integrated isolated gate drivers that enable energy conversion in high-voltage gallium nitride (GaN) and silicon carbide (SiC) wide-bandgap (WBG) semiconductor designs. This acquisition brings together Heyday’s isolated gate drivers and Allegro’s market […]
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Magnetic sensors optimized for ADAS applications
Allegro MicroSystems, Inc. announced the launch of its A33110 and A33115 magnetic position sensors at the Sensors Converge Conference in San Jose, CA. Designed for advanced driver assistance systems (ADAS) applications that require high levels of accuracy and heterogeneous signal redundancy, Allegro’s newest sensors combine the company’s vertical Hall technology (VHT) with cutting-edge tunneling magnetoresistance (TMR) technology in […]
BLDC gate drivers optimized for data center cooling fans
Allegro MicroSystems, Inc. has expanded its portfolio of three-phase sensorless BLDC gate drivers. Its newest offerings, the A89332 and A89332-1, are designed to meet the evolving needs of cooling systems in today’s data centers offering flexible options for designers. Available with innovative integrated power loss brake (A89332) and AC-loss (A89332-1) features, these drivers enable compact, high-airflow […]
Full-bridge 50-V gate drivers optimized for automotive and industrial apps
Allegro MicroSystems, Inc. announced two new full-bridge gate drivers for automotive and industrial applications. Available with direct control (A89505) and pulse-width modulation (A89506) options, these devices up-integrate critical features to make system design easier, replacing mechanical relays with solid-state drivers to improve performance and reliability. With built-in capabilities including flexible interface logic, EMI mitigation with […]
GMR crankshaft and camshaft sensors optimized for HEV engine platforms
Allegro MicroSystems, Inc. announced the release of two new state-of-the-art giant magnetoresistances (GMR) crankshaft and camshaft sensors. The ATS16951 (crankshaft) and ATS16351 (camshaft) sensors are unique in the market and provide manufacturers with a single-vendor solution that’s ideal for hybrid vehicle engines, with use cases extending to two-wheelers, off-road vehicles, and application designs requiring extended air gap performance. […]
GMR wheel-speed/distance sensor targets ADAS apps
Allegro MicroSystems, Inc. (“Allegro”) announced its new A19360 wheel speed and distance sensor for use in emerging applications in advanced driver assistance systems (ADAS). The cutting-edge giant magnetoresistance (GMR) sensor provides automakers with the signal resolution and reliability required for advanced levels of automation in passenger vehicles and mobility-as-a-service applications. According to a recent report by consulting […]
3D sine/cosine Hall-effect position sensor IC features small size
Allegro MicroSystems, Inc. announced its new A33230 3D sine/cosine Hall-effect position sensor IC. The A33230 is the smallest 3D sine/cosine sensor currently available in the market, and offers system designers a cost-effective solution for automotive and industrial applications with a quick time to market. The A33230 contains two discrete analog signal paths for superior high-speed performance, and the tiny SOT23-W package size makes it ideal for situations where PCB space is at a premium. […]
LED drivers enable smooth high/low/high beam transitions, high power for vehicle lighting apps
The A80803 leverages multi-topology conversion and patented IP to enable smooth high/low/high beam transitions in a single integrated circuit (IC). The A80804 linear LED driver provides high power for automotive lighting applications through multiple, independently-configurable channels. Both products help designers reduce the number of ICs required to create safety-enhanced automotive lighting systems, enabling higher performance […]
Three-phase gate drivers geared for EVs and hybrids
Allegro MicroSystems, Inc. is expanding its QuietMotion product line with the introduction of the new A89307 automotive-qualified gate driver integrated circuit (IC). Designed for battery cooling fans and HVAC systems in electric (EV) and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current […]
Contactless sensing in three dimensions for ADAS
No-touch sensor ICs that measure magnetic fields in the X, Y, and Z planes have been optimized for use in vehicular applications. Tyler Hendrigan, Fabian Winkler • Allegro MicroSystems Advanced driver-assistance systems (ADAS) have existed for well over 20 years. Many of their individual components have already become afterthoughts for drivers and are now considered […]
