PN5190 design-in recommendations Application note
▲The overall concept of the PN5190 is based on powerful and flexible NFC front-end hardware, which is controlled by the internal μC and its firmware. This firmware functionality can mainly be defined by the "EEPROM" settings. The default settings, as e.g. distributed in the NFC Cockpit package, provide a proper overall functionality, either the optimum for the EMVCo compliance or the optimum for ISO and NFC compliance.Those default settings are optimized for the PNEV5190PB and its 45 mm x 45 mm antenna, so any other antenna and any other use case might require slightly different settings for an optimum performance.
▲It is essential to understand the function, which belongs to certain settings. The functionality itself is sometimes quite complex, while the complexity is encapsulated inside the FW, and the user settings keep the handling as simple as possible. This document describes some of this functionality and the related settings. It gives recommendations, which settings are more relevant than others (or which ones are even not relevant at all).
■NFC Cockpit
▲It is strongly recommended to use the NFC Cockpit for the analog optimization. The NFC Cockpit provides a GUI and supports all major functions of the PN5190. So without touching a single line of code, the user can configure the FW settings. The NFC Cockpit allows to dump the EEPROM settings into a file, which then allow to distribute those settings into any user's production device. Many configurations can be handled easily with the NFC Cockpit, and the outcome can be used in the user's environment.
▲The CTS functionality is a good example: The NFC Cockpit can be used to configure the CTS in the GUI, and then the related CTS configuration data can be dumped from the NFC Cockpit and can be used in the user's software, if needed. The retrieved data capture from the user's CTS then can be visualized with the NFC Cockpit.
▲NXP provides a software stack, which can be used to connect any user's hardware(μC driving the user's PN5190) via a virtual com port to the NFC Cockpit. The requiredμC function for this use case is very limited, and only needs to pass through the data between PN5190 and NFC Cockpit, since the smart functionality is implemented inside the NFC Cockpit.
▲This document uses the NFC Cockpit and describes many features together with the NFC Cockpit.
▲Note: Some important design recommendations regarding the supply and RF layout can be found in for both the VFBGA and HVQFN package.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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16 May 2022 |
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Rev. 1.0 |
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AN12551 |
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5.1 MB |
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