On December 3, 2015, Dalian United Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its product has launched a keyless entry for the NXP-based PCF7952 keyless unlocking and start-up control chip (PKE). And start-up (PEPS) solutions.
As the new generation of anti-theft technology, the Passive Entry Passive Start or the Keyless Start System is gradually developing and expanding. It has gradually entered a wider application field from high-end cars. Not only high-end automakers such as Mercedes-Benz and BMW have adopted PKE extensively, but mid-size models such as Ford Mondeo, Nissan's Scorpio and the new Mazda have also adopted this technology. PEPS is more than just a traditional car key, but more like a smart card. It uses advanced RFID (radio frequency identification) technology, when the driver steps into the specified range, the system through the identification to determine if it is a legally authorized driver to automatically open the door and a key to start function.
Figure 1 - System diagram of the NXP PCF7952 keyless start (PEPS) solution for the company
As the first semiconductor manufacturer to mass-produce PEPS solutions, NXP can provide a complete solution. Its mainstream chip PCF7952 features high integration and low power consumption. It integrates engine anti-theft (IMMO), remote key (RKE) and none. All functions of Key Start (PKE).
• In-vehicle/out-of-vehicle identification accuracy < 5cm
• Low power consumption, key battery life >2.5 years • Response time
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