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NFC Smart Locks Thanks to a Single Chip

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Infineon Technologies has developed a new 32-bit programmable ARM Cortex-M0 microcontroller with NFC (Near Field Communication) front-end to enable the cost-effective development of smart actuators, such as passive locks (smart locks).

With integrated H-bridge and energy harvesting modules, a smart actuator can be implemented in a single-chip solution with minimal components required.

Using theNFC interface, the NAC1080 MCU allows devices to be controlled directly from smartphones.

Advanced local and cloud functions can be extended within the mobile app offered by partners.

NAC1080 supports various operating modes and can be powered either passively by the NFC field with energy collected from the cell phone or by battery power in active mode.

NAC1080 also provides a built-in AES128 accelerator and a true random number generator to enable data encryption/decryption in an ultra-low power environment.

In addition to the passive NFC lock (lock) application, NAC1080 can also be used as an emergency backup power application.

Active lock systems, for example, depend on battery power. If they are discharged, the NFC interface IC for electronic devices can power the lock.

Since thepower is transmitted via NFC, this use case may take longer than the passive mode.

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