The E521.41 was developed to manage the connection and communication between a microcontroller unit and up to 24 sensor satellites.
Data transmission from the sensor to ECU is done by current modulation on the power supply... read more


  • Provides four master channels compliant with PSI5 standard v1.3 and v2.1
  • Support 125 Kbit/s, 189 Kbit/s, synchronous and asynchronous modes
  • Internal sync-voltage generation
  • Programmable bus-voltage 4.6V to 11V
  • Automatic threshold adaption to sensor quiescent current
  • Reverse polarity protected bus outputs up to 40V


Free Download

File Description Type
Info Sheet PDF 221 kB

On Request

File Description
E521.41 | Data Sheet | Errata Sheet

Application Diagram


  • Safety (airbag) control systems
  • Powertrain control systems
  • Vehicle dynamics control system

Ordering Information

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Part No. Package Order No.
E521.41 QFN20L5 E52141A62C
E521.41 SOIC20 E52141A55E


Part No. Description Board type Order No.
E521.41 4-Channel Multi-Mode PSI5 Transceiver Demoboard K52141-0001
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