Two output pin protocol for speed, direction, and diagnosis

US11824478B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Stephan LEISENHEIMER · Deisenhofen, DE
• Konrad Kapser · Gräfelfing, DE
• Rainer Kling · Dossenheim, DE
• Sebastian Maerz · Starnberg, DE
• Romain Peron · Unterhaching, DE

Key dates

• Filing date: Jul 8, 2020
• Grant date: Nov 21, 2023
• Expiry date: Jan 21, 2042

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02P6/17
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A sensor device includes a first sensor element that generates a first sensor signal based on a varying magnetic field; a second sensor element that generates a second sensor signal based on the varying magnetic field; a signal processing circuit configured to generate a first pulsed signal based on the first sensor signal and generate a second pulsed signal based on the second sensor signal; a fault detector that detects a fault and generates an error signal indicating the fault; and an output generator that receives the error signal based on a first condition that the fault detector detects the fault, and simultaneously outputs a first output signal and a second output signal. In response to the first condition being satisfied, the output generator maintains the first output signal in a steady state and outputs the second pulsed signal as the second output signal.