How does the car keyless detection system (PESP) work?
At present, with the advent of PEPS, the application prospect of automobile security has been completely changed, bringing new comfort and convenience to users. TI's solution has been widely used in many models, such as: Toyota, Hyundai, GM, etc. Wait.
This design uses TI's latest CRAIDAES product RF430F5155 as the key end, and TRF4140 as the base station of the car. When the owner enters the effective range near the car, the car will automatically detect the key and automatically identify it. Only the legally-identified key can open the door or the trunk. When the owner enters the car, he only needs to press the engine start button. The position of the key is automatically detected to determine whether the key is in the car; if it is inside the car, the engine can be successfully started. Through PEPS, low frequency and ultra high frequency communication, double certification, greatly improve the safety of the vehicle.
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