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With the continuous advancement of automotive technology, intelligence and user experience have become important considerations in automotive design. E-SMARTCHIP's touch-sensitive door handle solution based on Fudan's micro-FM33FT023A MCU is a product of this trend. In this article, China Exportsemi Web will give you a detailed introduction to the technical advantages and application prospects of this solution.
Technological advantages
1. Multi-channel support: The solution supports up to 14 independent key sensor channels, ensuring rich functional scalability and flexibility.
2. Self-calibration algorithm: The BaseLine self-calibration algorithm can automatically compensate for the impact of temperature changes to ensure the stability of touch sensing.
3. High capacitance detection sensitivity: provide self-test routines of short-circuit to ground and short-circuit to power supply, which ensures the safety and reliability of the circuit.
4. Waterproof design: According to the IPX2/IPX6 test standard, it has a waterproof design algorithm, which can accurately filter out the interference caused by rain events and water flow impact in real time.
5. Sigma-Delta capacitance detection: Sigma-Delta capacitance detection technology is used to reduce radiation divergence and improve detection accuracy.
6. EMC anti-interference design: With EMC anti-interference design, it can prevent the touch parts from being interfered with in a specific frequency band and causing false contact.
7. AEC-Q100 qualification: Passed the automotive grade AEC-Q100 qualification, which ensures the reliability and durability of the product.
Application prospects
E-SMARTCHIP's touch-sensitive door handle solution not only improves the intelligence level of the car, but also enhances the user experience. Its high capacitance detection sensitivity and waterproof design make it work stably in a variety of harsh environments. In addition, the AEC-Q100 qualification further ensures its reliability in the automotive industry.
Circuit diagram
The circuit design of the solution is simple and efficient, and mainly includes inductive antennas, FM33FT023A MCUs, and key components such as fast and Cintoffer. Inductive antennas 1 and 2 are connected to the MCU respectively, and signal processing and amplification are carried out through accelerator and Cintoffer to ensure the accuracy and stability of the signal.
Figure: Circuit diagram and application examples of E-SMARTCHIP touch handle scheme
In short, E-SMARTCHIP touch-sensitive door handle solution, with its excellent technical advantages and wide application prospects, has become an ideal choice for automotive intelligent upgrading. From both a technical and user experience perspective, the solution shows great potential and value.
Contact us
If you want to know more about E-SMARTCHIP touch-sensitive door handle solutions, or want to get customized solutions, feel free to contact the editorial department (china.exportsemi@ehaitech.com) of China Exportsemi Web, we will provide you with professional technical support and thoughtful customer service.
