Do you need wireless charging? Needless to say, the answer is needed, and it is an urgent need! Because wireless charging technology is widely used, it will quickly penetrate into every corner of our lives like wifi. With the intrusion of various intelligent hardware, people can't do without them, and most consumer electronics need uninterrupted power supply. It is worth emphasizing that medical electronic devices need this technology more.
Imagine that the medical technicians in the emergency room of the big city shuttle between the wards and use portable diagnostic equipment to assist the medical staff in the diagnosis. The number of patients is high and the pressure is high. It is difficult to find a suitable socket to charge the portable device at one time. Put the device in a place and let it charge automatically. This is what medical technicians have been expecting. Fortunately for healthcare professionals and patients, wireless charging is a ready-made technology.
Dr. Wen Sihua, Marketing and Application Manager, Greater China, Battery Management Products (BMS)
Wireless charging does provide a lot of convenience for portable medical devices, because portable medical devices have traditionally required regular battery replacement, and wireless charging for medical devices for different application scenarios can better utilize the advantages of wireless charging. Dr. Wen Sihua, Marketing and Application Manager of Greater China, Battery Management Products (BMS), said that for example, hearing aids, integrated with wireless charging, can be made smaller and can be placed in an electromagnetic induction box. Charging. The best small solution before this was just USB charging.
He said that the application of wireless charging technology in portable medical devices still needs special cases and treat them separately. For example, the mechanical shape of many devices is non-planar, making electromagnetic shielding a challenge that affects wireless charging efficiency and radiation safety. In addition, similar to wearable applications, medical applications are very dependent on industry standards.
Many of the expectations for wireless charging applications today are focused on radio transmission over longer distances. However, the current mainstream applications are still consumer smartphones, tablets, smart watches, some wireless Bluetooth speakers, and more traditional electric toothbrushes. It is reported that Texas Instruments' wireless charging receiver includes two categories, one is the power category, providing 5V1A or 5V to 10V products, and the other is Direct Charge, the wireless charging receiver that directly charges. Its product direction is mainly for consumer products, taking into account the diversity and performance requirements of wearable products. For example, the development of low-power and high-efficiency miniaturized wireless charging integration solutions, such as: TIDA-00318, TIDA-00334 low-power multiple reference designs for wearable wireless charging solutions.
Dr. Wen Sihua has been committed to the growth of BMS services in battery management, fast charging, wireless charging, wearable smart hardware and green energy. Here he also shared with us some interesting phenomena of wireless charging in the field of smart phones and wearable devices. I think these subtle changes still apply to the process of wireless charging of portable medical devices.
In the field of smart phones, there have been some subtle changes this year. Samsung, which still dominates the second market share, has begun to roll out wireless charging in the high-end smartphone series. The subtlety is that other vendors have not followed up, and there are some feelings of high and low. At the same time, third-party smartphone power accessory manufacturers have taken advantage of the opportunity to upgrade their wireless charging transmitters.
In the wearable field, the two main attractions of wireless charging applications are still in Moto360 and Apple Watch. Moto360's wireless charging uses the WPC protocol, and the user experience is quite good. Although Apple uses wireless charging (inductive charging) technology, it is actually very low-key, diluting the technical impression, and as always, emphasizes the user experience. The introduction of the magnet allows the user to make minimal connection actions. In addition, Apple also uses proprietary technology and does not open the agreement, third parties can not follow up as a compatible charging device.
Although there are a lot of wireless charging solutions for wearables, he believes that in the wearable market, the leader's push for wireless charging is actually very limited. The wearable market is also very fragmented, and wireless charging is not necessarily critical until the rigid demand is addressed.
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