The MAXREFDES164# is a complete, high-accuracy, IO-Link®, local temperature sensor reference design that provides excellent temperature accuracy from -20°C to +105°C. Built in an industrial form factor, the design makes use of Maxim’s highly integrated MAX31875 digital temperature sensor with an I2C interface.
The MAX31875 operates over the -50°C to +150°C temperature range and measures temperatures from -40°C to +145°C with ±1.5°C accuracy. The temperature sensor performs more accurate temperature conversions from 0°C to +70°C (±1.0°C).
A MAX32660 microcontroller interfaces between the MAX31875 temperature sensor and the MAX14828 IO-Link® device transceiver. All three Maxim products are in wafer-level packages (WLPs), allowing the MAXREFDES164# to have a tiny footprint—under an inch in length. The 3.3V and 5V rails are generated by utilizing the two integrated LDO regulators within the MAX14828, which saves external components and space. In addition, the three Maxim ICs are low-power devices, allowing this reference design to consume minimal power with low thermal dissipation.
This sensor utilizes either the TMG TE IO-Link device stack or the TEConcept IO-Link device stack to communicate with any IO-Link version 1.1-compliant master. The board contains a male M12 connector for connection to a compliant IO-Link master using a standard M12 cable. Connecting the MAXREFDES164# to a USB IO-link master, such as the MAXREFDES165#, with the associated software allows for easy evaluation with a PC.
Note: The default stack that ships with the MAXREFDES164# is the TMG version. Contact the factory if you require the TEConcept version.
Design files, firmware, and software can be found on the Design Resources tab. The board is also available for purchase.
All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.
It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
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