Wireless charging is not a completely new technical solution. In fact, in our daily life, there are a lot of wireless charging applications, such as electric toothbrushes and electric razors. .. and other consumer electronic devices, but the charging performance and security differences in the wireless application of charging applications have not been effectively improved, until today, under the integration of microcontroller applications, wireless charging has achieved higher charging performance, With better practical value. .. Wireless charging technology is not new. It is just a design solution. Because wireless charging technology cannot achieve high power, high-speed charging and security considerations in the early days, wireless charging technology can only be applied to low-power, small-power design solutions, such as To achieve waterproof and dustproof electronic product design, wireless charging technology is used to make the design appearance without the need for exposed metal charging connector design, such as electric toothbrush, electric razor and other product design. The wireless charging solution is to form an electric field by using the Tx end coil, and then the Rx end coil senses the converted energy for wireless transmission of power. Texas Instruments In order to enhance the energy transmission efficiency, the design form and size of the coil will also affect the transmission performance. The picture shows the wireless charging dedicated coil module developed by TDK. TDK CorporaTIon Contactless, lead transfer energy wireless charging technology for high endurance design Basically, in low-power charging applications, wireless charging technology can be said to be a fairly common application, mainly used to solve the application requirements of weather-resistant, waterproof/dust-proof electronic product design, but wireless charging technology is used for this. Electronic products do not require excessive charging performance, and because of low power, high application security is achieved. Natural technology can meet the design requirements without upgrading existing solutions, but if the design products are replaced with smart mobile phones. , digital cameras / cameras or mobile devices with higher capacity batteries, the old wireless charging technology can not meet the design needs. First check the problems that battery-powered devices often encounter when charging. The key to energy consumption of battery chargers can be viewed from two issues: the efficiency of charging and the state of standby power consumption. In terms of standby power consumption, many users often have application types, and most of them will still plug the charger into the power supply circuit after the device is fully charged. This means that the charging environment will generate a large amount of standby power consumption ( That is, no-load power consumption), plus the charger in order to save costs, the circuit design is relatively simple, often the energy consumption of the device charger when it is no-load is almost equivalent to the energy consumption during charging! Wireless charging technology has effectively improved the no-load energy consumption of the charger When designing a wireless charging solution, the problem of no-load energy consumption is optimized, and it must be improved, so that the charging system can obtain more effective energy-saving benefits when upgrading the wireless application environment, and at least improve the meaningless space. Power consumption problem, and this has become a key value-added benefit of the introduction of wireless charging applications, while the current generation of wireless charging systems, Tx (Transmitter) solutions, no-load load power design, current no-load power consumption It has reached below 100mW and has greatly surpassed the no-load power consumption of the traditional charger. For wireless charging applications, charging efficiency is another key factor affecting power consumption, because the higher the charging efficiency, the higher the density of energy can be transmitted through the wireless environment, and the charging process can be completed more quickly. With the current wireless charging solution, wireless transmission can't be compared with direct copper transmission performance, but the current wireless technology solution can achieve more than 70% wireless transmission performance, if it can be wirelessly charged Rx (Receiver ) /Tx (Transmitter) uses more efficient components, and the performance of this wireless charging can be further improved. Fiber Optic Modem is a type of RS-232/RS-485/RS-422 serial port fiber optic modem. It adopts industrial standard design and its wall type outface design supports DIN-rail standard lead rail installation, featuring easy installation. 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