NEFC near field keyless entry solution based on NXP NCF3320

Now, more and more people buy things, use mobile payment, soon, we can use mobile phone to unlock the car door. NXP semiconductor has long been committed to NFC technology development, and has expanded the application to all walks of life, in the radio field, the Internet of Things, and automatic driving, and NFC cooperate with cars is a good application prospect. NXP has developed NCF3320 NFC chip, which can be installed into ordinary door handles. The chip also supports energy-saving mode, even if the car battery is not enough, the chip can still run as usual. Many new cars are equipped with a key to installing the RFID chip, the driver can unlock the car with the key, and press the button to start the car. Mobile phone manufacturers have installed NFC chips for mobile phones, for mobile payments, in fact, we can use NFC technology to unlock the car, start engine, and even fast pairing Bluetooth. The NFC can communicate with the encryption protocol and near-distance contact, it can be very secure to ensure that the door or engine is properly turned on and off. Scene application map Product entity Exhibition board photo Solution block diagram Core technology advantage 1 Smart near-field door handle, you can use the mobile NFC function to open the door, or use the NFC electronic tag to open 2 Use the car level NCF3320 NFC front end and the car rule MCU S912ZVLA12 to support the LIN bus and 12V power supply Program specifications 1 mobile phone NFC or electronic tag to open the door 2 DC 10V to 36V wide power input 3 compliant with AEC-Q100 car grade IC 4 car LIN bus communication The solution is derived from a large vent.

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