New Melexis Sensors to Facilitate Widespread Adoption of High-Precision Position Sensing Applications
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Update time : 2023-11-29 10:57:42
Melexis, a global microelectronics engineering company, yesterday announced the launch of the MLX90513, an inductive sensor chip with outstanding accuracy designed for automotive pedal and steering applications. Thanks to the MLX90513, this superior performance is no longer limited to a few applications. The sensor interface chip is ASIL C rated and features on-chip digital signal processing for enhanced zero-latency performance.
For many applications requiring position sensing, the combination of high accuracy and full stray field immunity provides unrivaled performance to meet the needs of existing applications. The new position sensor chip MLX90513 from Melexis offers ±0.1% full-scale accuracy (±0.36° in a rotary implementation over a 360° range). In addition, its sub-20μs latency can be programmed to reduce to zero, meaning that a fast control loop can be implemented, ensuring excellent system responsiveness. This inductance-based standard offers natural immunity to stray electromagnetic fields (required by the ISO 11452-8 standard). At the same time, the sensitivity of this sensor chip is unaffected by thermal drift. The sensor chip has configurable output options that allow position sensing data to be transmitted as proportional analog, PWM, SENT or SPC signals. As a result, it can be adapted to the output protocols associated with many different application standards.The MLX90513 is the market-leading inductive position sensor chip with an SPC output. Another advantage of this product is the 0.5µs tick time (fast SENT or SPC) feature, which has not been available on the market before. In addition, the ability to implement pulse shaping in PWM, SENT and SPC modes is important as it helps to reduce electromagnetic emissions. The MLX90513 is available in a compact TSSOP-16 package with an operating temperature range of -40°C to +160°C for installation in challenging application environments. The three-phase coil layout employed improves linearity due to the use of harmonic filtering. The device's 32-point linearization helps to correct angular non-linear errors. Overvoltage and reverse polarity protection further ensures robust operation. System implementation is greatly simplified and integration is easier due to the use of inductance measurements. "Tier 1 suppliers want to be able to use high-precision position sensing technology." Lorenzo Lugani, Product Manager for Inductive Sensor Chips at Melexis, noted, "Thanks to our MLX90513 device, inductive position sensing solutions can reach more users."
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