Automotive magnetic position sensors are safety compliant

Presented in a System-in-Package (SiP) format, ams’ AS517x devices include full data path diagnostics and enhanced self-test capabilities to enable automotive systems to comply with relevant safety standards.

ams has released its first magnetic position sensors developed using the automotive industry’s programme for ISO26262 safety compliance. They are also ams’ first magnetic position sensor in a System-in-Package (SiP) format, a space savings package, that enables lower system costs and the placement of the sensor device in environments that are prohibitive to PCB based packages.

AS5170 and AS5171 sensors were developed as SEooC (Safety Element out of Context) devices, as defined in the ISO26262 functional safety standard. Designed to meet demand for automotive safety features built into critical vehicle systems, the AS517x parts are ams’ first magnetic position sensors to provide full data path diagnostics, enabling automotive system OEMs to achieve a higher level of ISO26262 system-level compliance.

The diagnostic system built into the AS517x series tests the entire device, from the Hall sensor front end, through the DSP engine which converts raw measurements of magnetic field strength into sine and cosine vectors, to the back-end interfaces and pins.

Qualified to AEC-Q100 Grade 0, the sensors accurately measure absolute angle of rotation. Their high 12-bit output resolution enables precise measurements, even for reduced angular excursions down to a minimum arc of 90°. The devices are suitable for a range of safety-critical automotive applications including chassis height, gear shifters, electronic power steering, exhaust gas recirculation, and brake pedal as well as throttle position sensing.

The AS5171 comes in an SiP format, which integrates the sensor die and capacitors in a single, encapsulated three-pin package. The SiP offers improved ESD and EMC performance, as well as enhanced supply protection. The Supply and Output pins are protected against over-voltages up to +20V. The Supply pin also offers -20V of protection against reverse polarity. The AS5171A provides an analogue output, and the AS5171B provides a digital output, which may be programmed either as a PWM interface or as a SENT-compliant interface. The analogue AS5170A and digital AS5170B ICs are housed in an 8-pin SOIC package. Pricing is $2.64 (AS5170) and $2.87 (AS5171) (1,000). Evaluation boards for the AS5170 and AS5171 are available.

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Position Sensor Market - Estimated to Grow at a CAGR of 6.1% to Reach USD 5.85 Billion by 2022

 The position sensor market is estimated to grow at a CAGR of 6.1% between 2016 and 2022 to reach USD 5.85 billion by 2022. The position sensor market is driven by factors such as the growing innovation in the automotive technology has widened the use of position sensors in a vehicle, high demand for position sensor from the aerospace industry, and growing trends of industrial automation.
The market for rotary position sensors is estimated to contribute the highest growth rate during the forecast period. Rotary position sensors measure the rotational or angular movement of an object. These sensors are widely used in applications wherein the variable output such as frequency, speed, or volume need to be controlled.

Some of the typical applications include robotics, test & measurement equipment, machine tools as well as small engines. The growth in these applications is attributing to the high growth rate of the market. The position sensor is also estimated to witness a high growth in the automotive, packaging, manufacturing, and aerospace industries during the forecast period.

Europe held the largest size of the European position sensor market, in terms of value, compared to other regions. This is due to the rapid adoption of linear and rotary in various applications such as machine tools, material handling, robotics, and others in major counties of this region.

Key Topics Covered:
1 Introduction
2 Research Methodology
3 Executive Summary
4 Premium Insights - Position Sensor Market
5 Market Overview
6 Industry Trends
7 Market Analysis, By Type
8 Market Analysis, By Specification
9 Market Analysis, By Application
10 Market Analysis, By Industry
11 Market Analysis, By Region
12 Competitive Landscape
13 Company Profiles

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Position Sensor Market Worth 5.85 Billion USD by 2022

The increasing integration of position sensors in automotive and growing trends of industrial automation among others are the major drivers for the position sensor market.

inear position sensors are expected to lead the position sensor market
Linear position sensors are one of the most commonly used devices for position sensing. The growth is precedential due to the growing adoption of linear sensor types such as encoders, linear variable differential transformers (LVDTs), magnetostrictive sensors, potentiometers, and others in application areas such machine tools, material handling, robotics, and others to determine the linear position or displacement of the target and provide information in the form of feedback to facilitate control activities.

The market in the robotics application expected to grow at a high rate
Robotics is expected to be one of the major applications for Position Sensor Market in the coming years. Position sensors play a vital role in the operation of a robot. It provides significant information in the form of electronic signals to the controller, which helps the robots to do its tasks. Position sensors such as encoders, potentiometers, and resolvers are widely used in robotics for sensing and controlling the position of robots. Moreover, the increasing adoption of robotics in various industries such as manufacturing, automotive and others is expected to drive the market for position sensors in the near future.

Asia-Pacific expected to grow at a high rate between 2016 and 2022
Asia-Pacific is anticipated to grow at the highest rate during the forecast period. The growth can be attributed to the high demand from manufacturing, packaging, and automotive industries in this region for position sensors. Additionally, the growing trend of industrial automation in Asia-Pacific is expected to fuel the position sensor market further.

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