STMicroelectronics L6360
L6360 - IO-Link communication master transceiver IC
The L6360 is a monolithic IO-Link master port compliant with PHY2 (3-wire) supporting COM1 (4.8 kbaud), COM2 (38.4 kbaud) and COM3 (230.4 kbaud) modes. The C/QO output stage is programmable: high-side, low-side or push-pull; also cut-off current, cut-off current delay time, and restart delay are programmable. Cut-off current and cut-off current delay time, combined with thermal shutdown and automatic restart, protect the device against overload and short-circuit. C/QO and L+ output stages are able to drive resistive, inductive and capacitive loads. Inductive loads up to 10 mJ can be driven. Supply voltage is monitored and low voltage conditions are detected. The L6360 transfers, through the PHY2(C/QO pin), data received from a host microcontroller through the USART (IN C/QO pin), or to the USART (OUT C/QI pin) data received from PHY2 (C/QI pin). To enable full IC control, configuration and monitoring (i.e. fault conditions stored in the status register), the communication between the system microcontroller and the L6360 is based on a fast mode 2-wire I2C. The L6360 has nine registers to manage the programmable parameters and the status of the IC. Monitored fault conditions are: L+ line, overtemperature, C/Q overload, linear regulator under voltage, and parity check. Internal LED driver circuitries, in open drain configuration, provide two programmable sequences to drive two LEDs.
Features
- Supply voltage from 18 V to 32.5 V
- Programmable output stages: high-side, low-side or push-pull (< 2 Ω)
- Up to 500 mA L+ protected high-side driver
- COM1, COM2 and COM3 mode supported
- Additional IEC61131-2 type 1 input
- Short-circuit and overcurrent output protection through current limitation and programmable cut-off current
- 3.3 V / 5 V, 50 mA linear regulator
- 5 mA IO-Link digital input
- Fast mode I2C for IC control, configuration and diagnostic
- Diagnostic dual LED sequence generator and driver
- 5 V and 3.3 V compatible I/Os
- Overvoltage protection (> 36 V)
- Overtemperature protection
- ESD protection
- Miniaturized VFQFPN 26L (3.5x5x1 mm) package
STEVAL-IDP004V2 - IO-Link master multi-port evaluation board based on L6360
The STEVAL-IDP004V2 evaluation board embeds the STM32F205RB microcontroller and four separate L6360 ICs. Communication with the ICs is implemented via I²C in master mode and is managed by the STM32F205RB MCU; each L6360 has its own address and shares the bus with the other devices.
The STEVAL-IDP004V2 is developed to create a multi-port master based on serial asynchronous communication to support the IO-Link protocol.
Each node is equipped with an industrial M12 connector (as recommended by the standard) for connection with a single slave node using a cable (max. length 20 meters). The wire is a normal three-pole: one for the IO-Link bus, one for the L+ line (positive supply voltage pole) and one for the L- line (negative supply voltage pole).
The STEVAL-IDP004V2 board also includes RS-485 bus, CAN bus and USB hardware interfaces.
The layout is designed to meet the requirements for IEC61000-4-2/4/5 for industrial segment.
Features
- Master IO-Link stack embedded with read out protection
- Limitation of time of use (10000 minutes)
- Fully compatible with all IO-Link devices
- Main supply voltage 32 V maximum
- 4 L6360 IO-Link master transceiver ICs
- RS-485 serial interface
- CAN serial interface
- USB interface
- DC-DC converter
- On-board reverse polarity protection
- Designed to meet IEC requirement for industrial standards
- RoHS and WEEE compliant

STEVAL-IOM001V1 - IO-Link master evaluation board based on L6360 equipped with ST morpho connectors for STM32 Nucleo
The STEVAL-IOM001V1 evaluation board is based on the L6360 IO-Link master transceiver with physical layer compliant with IO-Link v1.1 specification. Together with the STSW-IOM001 example code, it provides an affordable and easy-to-use solution for the development of user applications, letting you easily evaluate the communication features and robustness of the L6360.
You can also perform evaluation of multiple ports industrial IO-Link master modules by connecting up to four STEVAL-IOM001V1 with few solder bridge modifications.
The STEVAL-IOM001V1 interfaces with the STM32 Nucleo microcontroller via UART and GPIO pins and is compatible with the Arduino UNO R3 (optional configuration) and ST morpho (default configuration) connectors.
Features
- IO-Link master PHY based on L6360
- Interrupt diagnostics pin
- I²C and UART interface
- SPI (slave) interface
- 65 mA selectable (3.3 or 5.0 V) linear regulator
- CQ (push-pull) and L+ (high side) switches
- IQ additional IEC61131-2 type 1 digital input
- L+ and CQ overload and overheating protections with non-dissipative cut-off function
- QFN-26L (3.5x5x1 mm) package
- Operating voltage range from 18 to 32.5 V
- Additional high side switch for L+ heavy loads (IPS161H)
- LEDs for status and diagnostics
- Ground and VCC wire break protections
- EMC compliance with IEC61000-4-2, IEC61000-4-3, IEC61000-4-5
- Equipped with ST morpho connectors
- CE certified
- RoHS and China RoHS compliant

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