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Dialog Semiconductor – Universal, Smart and Easy – IO-Link PHYs

IO-Link connects the next generation of Industry 4.0 devices. IO-Link is an IEC standardized, serial, bi-directional point-to-point connection for signal transmission and power supply. This bus system brings intelligence to the industrial factory by connecting the field level to the automation system. IO-Link is universal, smart and easy to install and use.

With the IC family CCE45xx Dialog Semiconductor offers products for these applications with the following main features

  • IO-Link compliant transceiver
  • One IO-Link channel with up to 250 mA permanent driving current
  • Configurable PNP-, NPN- and Push-Pull mode
  • Configurable slew rate limitation
  • Configurable current limit
  • Automatic recovery function
  • Wake-up detection
  • 3 LDO options with up to 20 mA
  • 3V / 5V / external LDO
  • Reverse-polarity protection
  • Overcurrent detection
  • Undervoltage detection
  • Overtemperature detection
  • Small DFN10 3x3mm package

The CCE4503 integrates as an IO-Link Device Phy one IO-Link capable bidirectional switching interface and an ARM core running a full IO-Link stack. Together with the integrated ADC and signal processing blocks this makes possible a single chip IO-Link sensor. Custom implementations of the IO-Link stack are also possible using an external SPI flash or microcontroller.

With the CCE4510, a corresponding counterpart IO-Link Master PHY is available and the CCE4502 brings only the IO-Link Device PHY features without the sensor dedicated functions.

For more Information on CCE4503 and the other IO-Link PHYs see the following links here:


  • Universal system – All IO-Link Frame stack supported
  • Low Power – Excellent for use with sensors/actuators that are running from limited power supplies
  • High load current – up to 1A peak driving current per channel
  • Small size – small package sizes makes integration in the most space confined areas possible
  • Low cost – excellent price performance ratio

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