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Hall-Based BLDC Gate Drive Saves Microprocessor IO and Provides Zero Speed Torque

September 08, 2022

P0127: Many BLDC motor applications require Hall-based position sensing to accommodate direction changes quickly and provide holding torque.. Allegro gate driver ICs with integrated Hall commutation are designed with the Hall-based commutation engine integrated into the IC.

Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications

This application note discusses LED headlights for two-wheelers, passenger vehicles, commercial vehicles, and mild hybrid vehicles, and explores battery voltage and power requirements for the headlights used in these vehicles.

Method for Mechanical Mounting Tolerance Compensation on Allegro Speed Sensors

AN296175 - Accuracy requirements for absolute mechanical edge detection on cam sensors and more generally on engine management speed sensors have noticeably increased with the need for power optimization and emissions control in car engines being sold today.

Angle Error Correction with the A33230

This application note describes the mathematics to convert the analog sine/cosine outputs of the A33230 into an angular position.

Brochure: Driving Change by Advancing Personal Mobility Through Cutting-Edge Technology

Our advanced sensor and power IC solutions are engineered specifically to meet the unique requirements of these designs, providing superior performance and reliability in harsh environments and under complex operating conditions.

Allegro Product Selection Guide

Sense. Regulate. Drive. Check out our device offerings and packages across all of our product families in this PDF selection guide.

Two Wheeler Stop/Tail LED Driver

October 28, 2020

AN296207 - In two-wheeler stop and tail light applications, particularly those that use a Rear Combination Lamp (RCL), OEMs use LEDs instead of incandescent bulbs to ensure longer application life. Existing stop and tail light applications use LED drivers and mechanical switches for the brake and ...

Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future

August 27, 2019

AN296173 - The use of electronic controls for engine, transmission, and wheel speed in two- and three-wheeled vehicles is growing, particularly in developing nations. This trend is largely driven by mandates to improve air quality, fuel efficiency, and vehicle safety worldwide.

On Axis vs. Off Axis Angle Sensor IC Measurement Configurations

April 09, 2019

Allegro’s family of contactless Hall magnetic high resolution 360° angle sensor ICs are designed for safety critical automotive and industrial applications. With their system-on-chip (SoC) architectures, they provide fast output refresh rates and low signal path latency.

Using the A1330 in a Short Stroke Application

AN296163 - This application note is a guide for using the A1330 angle sensor IC for short stroke rotational position sensing, including information on magnet choice and orientation.

Crank Sensor IC for Stop-Start

This article describes start-stop operation and enabling Hall-effect integrated circuits, in particular the Allegro MicroSystems ATS694 and the previous generation ATS658, which are used in this application.

Allegro Differential Speed Sensor System Solutions

Seth Prentice, Strategic Marketing Manager for Allegro MicroSystems Speed Sensor IC group, discusses IC solutions for designing speed sensing applications including automotive transmissions, washing machine drum speeds, and fork lift positioning requiring reliable consistent output signals.