Description

This device offers the best distance measurement performance in ultrasonic applications. The integrated driver stage excites an ultrasonic transducer via a center-tap transformer. The device receives the reflected signal and... read more

Features

  • 5 th Generation Ultrasonic Sensor IC
  • Support for various applications and architectures by
    - 2x LIN Interfaces (position detection / auto-addressing)
    - 4x GPIOs (e.g. for UART, SPI, PWM, pin-coding,...)
  • Best ultrasonic measurement performance due to
    - Advanced analog & digital signal processing
    - Widely configurable measurement cycles
    - Noise suppression features for higher robustness
    - Near field data evaluation for close proximity detection
  • Variety of diagnosis functions, e.g. measurement of
    - Ringing time and ringing frequency
    - Transducer impedance
    - IC temperature and different IC voltages
  • Embedded 32-bit microcontroller (Arm® Cortex®-M0)
    - 64 kByte (32kB Flash + 32kB SysROM with LIN driver)
    - 4 kByte SRAM
  • QFN20L4 package with smallest footprint in the market
  • Development acc. ISO 26262:2018 (capable up to ASIL B)
  • Qualified acc. to AEC-Q100

Documentation

Free Download

File Description Type
E524.37 Info Sheet PDF 214 kB
Product Flyer Ultrasonic Sensors PDF 2.89 MB

On Request

File Description
E524.37 Data Sheet| Errata Sheet

Application Diagram

Applications

  • Standard ultrasonic park assist systems (USPA, PAS,...)
  • ECU-less park assist systems with buzzer control
  • Drone and Robotics / Distance measurement systems

Ordering Information

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Samples

Part No. Package Order No.
E524.37 QFN20L4 E52437A52C


Boards

Part No. Description Board type Order No.
E524.37 Ultrasonic Sensor Application Board Demoboard K52437-0002
E524.37 Ultrasonic Sensor Application Board Demoboard K52437-0003

*) Reachable detection range for a standard pole (75mm diameter, 1m height).
Overall system performance depends on external components (transducer, transformer, PCB layout, …) and environmental conditions (supply voltage, noise, ambient temperature, …)

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