Documentation & Resources
Technical Article
Is Your Current Sensing Architecture the Weak Link in Your Steering System
Engineers developing Electric Power Steering (EPS) systems must deliver instantaneous and precise motor control to support modern ADAS and steer-by-wire architectures. A critical architectural decision often overlooked early in the design process is the choice of current sensing methodology.
Application Note
Linearization and Two-Point Programming on the A31100 and A31102
AN296213 - This application note highlights the procedure for calculating the magnetic field compensation parameters through two-point programming and calculating the linearization coefficients using our available software tools with the intention of providing an easy-to-use guide to programming these sensor ICs.
Application Note
Estimating Maximum MOSFET Switching Frequency
AN296216 - This application note describes how to calculate the maximum power MOSFET switching frequency in BLDC motor gate drives.
Technical Article
How Hardware Selection Impacts Driver Experience in EPS Systems
P0234: Electric power steering systems have become popular in automotive manufacturing, displacing their mechanical counterparts because they save space, weight, emissions, and reduce fit complexity.
Technical Article
Allegro TMR: A Cutting-Edge Sensing Solution for Driving Automation and ADAS
P0225: As vehicle electrification has increased over the years in the automotive industry, standards such as SAE J3016TM have established levels of automation where automated driving elements have become increasingly adopted across broad classes of vehicles.
Featured Products
ACS71240
Automotive-Grade, Galvanically Isolated Current Sensor IC
A4412
Buck or Buck/Boost Pre-Regulator with a Synchronous Buck, 5 Internal Linear Regulators, Pulse-Width Watchdog Timer, and SPI
A3921
The A3921 is a full-bridge controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications with high-power inductive loads, such as brush DC motors.
A3922
The A3922 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a full-bridge (H-bridge) arrangement.