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伏达无线充hanxin360 2024-06-20 13:15 15
1. Can Apple's new patent invigorate the wireless charging market? 2, Does Xiaomi wireless charging station need a phone 3, What is the full circuit design of wireless charging?...

Vada Wireless charging (Vada wireless charging chip)

06/20/2024 13:15:09Wireless charging module

Can Apple's new patent invigorate the wireless charging market?

In May, Apple filed a patent for a "wireless power system" demonstrating this innovative idea. Unlike previous battery cases, this new design does away with the lightning protection connector in favor of two-way wireless charging technology. According to the patent, the new battery case will be equipped with two sophisticated "switching circuit" wireless charging coils, meaning it will not only be able to charge itself, but also be able to connect to an iPhone or other wireless deviceDevices are powered for true wireless interaction.

Apple's new patent reveals new possibilities for wireless charging Recently, a new patent submitted by Apple has aroused wide attention in the industry. Unlike the common NFC technology on the market, Apple's patent seems to aim at the practical application and efficiency improvement of wireless charging technology.

The patent doesn't detail specific application scenarios, and we can only expect Apple to reveal how it actually works in a future release. Apple has always been, even after the iPhone 5 was questioned by the outside world lack of innovation, but its actual action still shows the practical and completeThe pursuit of beauty. Wireless charging is not new to Apple, and the introduction of panoramic photography is not new, but Apple has always been able to optimize the technology to the best. Bottom line: A new Apple patent reveals a revolutionary wireless charging technology that will bid farewell to the shackles of contact charging and achieve true plugless charging. This technology uses near field magnetic resonance technology to create a charging area within 1 meter, and any supported Apple device can be automatically charged within the area, without the intervention of wires or power plugs, making operation more convenient and efficient.

The scene shown in the patent is stunning: iQi protocol, such as Samsung, Huawei, Xiaomi, OPPO, vivo and other brands of mobile phones can use millet wireless charger for charging.

2, Millet wireless charging treasure support 10W wireless fast charge, and two single-port output 18W high-speed wired interface. Wireless charging mobile devices that can support the Qi protocol and wired charging electronic devices such as cameras, game consoles, and MacBook can be charged at the same time. The 18W wired charging of Xiaomi Wireless Charging Bank can charge mobile phones, tablets and other devices that support PD/QC0/QC0/BC2/APPLE and other protocols.

3, Mi 11 wireless charging does not need to be opened, just use a wireless charger to charge. The specific steps are as follows: Connect the charging head to the wireless charging base using a data cable, and then plug the charging head into the power supply. Place the charging base on the table and place the Mi 9 mobile phone on the wireless charging base to quickly charge. The wireless charger is composed of a charging head, a data cable and a charging base.

4, in this case you need to have a mobile phone that supports wireless charging, and a wireless charger, and then the charger needs to be connected to the power supply, if the phone is out of power. Direct handlePut the phone screen up on the charger, wait for a second or two, the phone will prompt charging, but wireless charging has a distance now, if you pick up the phone during the charging process, it will interrupt the charging.

What is the full circuit design of wireless charging?

1, there are two kinds of power supply for the radio energy transmission unit: 220V AC and 24V DC (such as automotive power supply), which is selected by relay J. According to the principle of AC priority, the normally closed contact of relay J in the figure is connected to DC (battery BT1).Connect. Normally, S3 is connected.

2, but the load, the general design is 2 times the U input. The larger the filter capacitance, the higher the output voltage, and the lower the vice versa. In a single-phase bridge rectifier circuit, if there is no filter capacitor, the output voltage is 0.9 times of the AC input voltage when the load is open, that is, U output =0.9*U input. Under load, the formula remains the same: U output =0.9*U input. This conclusion is applicable to both bridge and full wave rectifier circuits.

3, electromagnetic induction type primary coil a certain frequency of alternating current, through electromagnetic induction in the secondary coilA certain current is generated, thereby transferring energy from the transmitting end to the receiving end.

4, this circuit diagram with chip sl1052 as control, simple structure, complete functions. Pin function 1 Power end. 2 Temperature monitoring input. 3 Charging status indicator. 4 Grounding terminal. 5 Adjust the tube driver. With the base of the external regulating tube. 6 Charging control. 7 Current sampling input.