Magnetic rotary IC provides an optimal motion sensing solution for conventional angle position systems
austriamicrosystems, a leading global designer and manufacturer of high performance analog ICs for automotive, communication, industry and medical applications, today introduced the AS5215, a dual die automotive magnetic rotary encoder IC for safety challenging applications, such as electronic power steering systems. This solution is also based on austriamicrosystems stacked-die technology.
Micro controlled systems are increasingly used in automotive position sensing applications. In most of these systems, the microcontroller capacity is only partly used. The AS5215 has been specifically developed to provide a position sensing solution which leverages on this fact, and allows our customers to design the most cost efficient systems, says Andreas Pfingstl, Product Manager Automotive Encoders at austriamicrosystems. The AS5215 can be easily implemented in existing system architectures, providing high reliable contactless angle measurements, without a need to replace or modify proven electronic control units.
The amplitude of the output signal is programmable via sensitivity and gain settings. Due to its selectable output mode signals – raw, inverted or DC-referenced - the AS5215 can fit a variety of conventional motion sensing systems which require measurement redundancy for safety reasons.
Based on austriamicrosystems’ stacked-die solution, the dual die AS5215 provides excellent phase matching and very low sensitivity drift over the full ambient temperature range of -40°C to +150°C. The AS5215 is available in a small TSSOP 14 package and operates at 5V supply.
A single die rotary encoder IC version, AS5115, in a QFN 32 package, will be available in October 2009.
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