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Ultrasonic Distance IC

Elmos has more than 20 years experience in developing and producing Ultrasonic ICs. Every IC Generation has become better and better. With our broad know-how we are able to deliver state-of-the-art IC for the complete setup of a high class ultrasonic system, e.g. for automotive or industrial applications.

Ultrasonic (Distance Measurement) DSI3 (or pt-to-pt) Interface

Part-No. / Function Interface Transducer frequency Architecture Transducer driver type / output Measurable Distance* VSUPPLY Package Comment
E524.17
Smart Ultrasonic Sensor IC with DSI Interface

DSI3

30kHz to 125kHz

Bus or pt-to-pt

transformer / 190mA to 500mA

10cm – 600cm

6V to 24V

QFN20L5
  • Ultrasound signal coding
  • Advanced DSI3 communication interface
  • High robustness and sensor diagnosis

Ultrasonic (Distance Measurement) IO pt-to-pt Interface

Part-No. / Function Interface Transducer frequency Architecture Transducer driver type / output Measurable Distance* VSUPPLY Package Comment
E524.08
2nd Generation Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (2-wire)

30kHz to 83kHz

pt-to-pt

transformer / 168mA to 354mA

10cm - 600cm

6V to 18V

QFN20L4
  • Excellent short and long range performance
  • High robustness and sensor diagnostics
  • Advanced IO communication interface
E524.09
2nd Generation Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (3-wire)

30kHz to 83kHz

pt-to-pt

transformer / 168mA to 354mA

10cm - 600cm

6V to 18V

QFN20L4
  • Excellent short and long range performance
  • High robustness and sensor diagnostics
  • Advanced IO communication interface
E524.32
High Voltage Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (2-wire)

30kHz to 83kHz

pt-to-pt

direct drive

10cm - 400cm

6V to 18V

QFN20L4
  • Best measurement performance without transformer
  • High robustness and sensor diagnostics
  • Near field detection
E524.33/E524.34/E524.35
High Voltage Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (3-wire)

30kHz to 83kHz

pt-to-pt

direct drive

10cm - 400cm

6V to 18V

QFN20L4
  • Best measurement performance without transformer
  • High robustness and sensor diagnostics
  • Near field detection

Ultrasonic (Distance Measurement) LIN Bus (or pt-to-pt) Interface

Part-No. / Function Interface Transducer frequency Architecture Transducer driver type / output Measurable Distance* VSUPPLY Package Comment
E524.24
LIN Smart Ultrasonic Parking Assist (ROM)

LIN 2.2

30kHz to 125kHz

Bus or pt-to-pt

transformer / 188mA to 518mA

15cm - 500cm

8V to 18V

QFN20L5
  • Optimized ready-to-use and flexible standard software
  • Cost optimized ROM version of E524.14
E524.36
Smart Direct Drive Ultrasonic Sensor IC with Dual Interface

DUAL-LIN

30kHz to 125kHz

Bus or pt-to-pt or ECU-less

direct drive

10cm - 400cm

6V to 24V

QFN20L4
  • Best price-performance ratio on system level
  • Customer fee-programmable controller
  • Development acc. ISO 26262 (up to ASIL-B)
E524.37
Smart Ultrasonic Sensor IC with Dual Interface

DUAL-LIN

30kHz to 125kHz

Bus or pt-to-pt or ECU-less

via transformer

10cm - 600cm

6V to 24V

QFN20L4
  • Best ultrasound measurement performance
  • Customer fee-programmable controller
  • Development acc. ISO 26262 (up to ASIL-B)

Ultrasonic (Distance Measurement) Master

Part-No. / Function Interface VSUPPLY VDD Iq ESD Bitrate Package
E521.42
Dual Automotive DSI3 Master Transceiver

DSI3

7V to 20V

3.3V/5V

-

6

125kbit/s (master => slave) up to 444kbit/s (slave to master)

QFN20L4

*) 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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