1, chip wireless charging project is a cutting-edge technological innovation, designed to be efficient and safe through wireless meansIt supplies power to the built-in chips of various electronic devices. The project uses the principles of electromagnetic induction, magnetic field resonance or microwave energy transmission to achieve non-contact transfer of electric energy between the transmitting end and the receiving end (that is, the built-in chip of the device). This technology not only gets rid of the shackles of traditional charging cables, improves the user experience, but also promotes the flexibility and portability of device design.
2, WPC chip refers to the Wireless Power Consortium (wireless Power Consortium) launched the wireless charging standard used in the chip. It enables wireless charging between different brands of smart devicesCan, convenient for users to wireless charging in different occasions, without the use of cables and plugs. WPC chips have been widely used in smart phones, tablets, watches, headphones and other electronic devices. The main working principle of WPC chip is electromagnetic induction charging.
3, as a leader in the field of chip burning, Ontec Technologies recently launched a new software upgrade and chip support list, among which the most notable is the efficient wireless charging transmitter IC for easy punching semiconductors - CPS8601. This IC has been successfully integrated into the AP8000, Encore's universal burning platform, further broadening its technical applicationWhat are the electric receiver chips, how to choose?
1, the more common SoC are IDT, TI, COPO, purple light, etc. Most of the internal mobile phones are currently using IDT receiving schemes. Texas Instruments TI receiver chips used more in the first two years, and now they have downplayed the field of wireless charging. The integration of this chip is high and the efficiency is high, but the cost of a single chip is high and some additional functions cannot be added.
2, the most used is Ti's chip, about 12 pieces. There are many options for launch, and we're one of them.
3AP45851 package size is small, the use of QFN24 package, strong heat dissipation capacity, in 10W applications can also quickly heat dissipation. With its complete wireless charger performance, the AP45851 is the ideal choice for customers.
4, try to choose more than 10W power: with the more mature technology, more and more people pursue charging speed, buy a high-power wireless charger, the future software system upgrade can also be used. It is recommended that when purchasing wireless charging equipment, try to choose a wireless charger with a power of more than 10W.
5, two charging box power tubeThe AirPods Pro uses Texas Instruments BQ25116A, and the AirPods 3 uses NXP 610A3B. The wireless charging receiver chip adopts Broadcom 59356A2KUBG. In terms of MCU configuration, AirPods Pro uses ST ST STM32L476MGY6, and AirPods 3 uses STM32L496WGY6P.
6, some manufacturers with strong technical strength by improving the chip performance, optimizing the design of the program, adjusting the current output to make the speed of wireless charging comparable or even superOver wired charging speed. Choose professional big brands. The principle of wireless charger seems simple, but the performance is great.
At present, wireless charging technology mainly has electromagnetic induction, magnetic resonance, radio wave, three basic ways, different wireless charging methods have different characteristics. Electromagnetic induction: The fundamental principle is to use the principle of electromagnetic induction, similar to a transformer, the primary coil of a certain frequency of alternating current, through electromagnetic induction in the secondary coil to produce a certain current, thereby transferring the energy from the transmission endTo the receiving end.
The principle of wireless charging: electromagnetic induction. The charging base and the mobile phone terminal have built-in coils respectively. When the two are close, the generating coil generates a certain current in the mobile phone receiving coil based on a certain frequency of alternating current through electromagnetic induction, thereby transferring the point energy from the originating end to the receiving end, and then starting to supply power to the mobile phone from the charging seat. Magnetic resonance.
Wireless charging methods include electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission, etc. Wireless charging of mobile phones mostly uses the principle of electromagnetic induction. Electromagnetic induction type wireless charging, when the power supply of the current through the coil(The wireless charger's power supply coil) will generate a magnetic field, and other unenergized coils (the mobile phone's electric coil) near the magnetic field will generate current to charge the phone.
Wireless charging mainly uses electromagnetic induction, magnetic field resonance, radio waves, electric field coupling and other principles. Wireless charging Because the charger and the electrical device transmit energy by magnetic field, the two are not connected by wires, so the charger and the electrical device can be no conductive contact exposed.
Wireless charging principle has electromagnetic induction, magnetic field resonance and radio wave and so on. Electromagnetic induction type primary coil of a certain frequencyAlternating current, which generates a certain current in the secondary coil through electromagnetic induction, thereby transferring energy from the transmission end to the receiving end.
The principle is to use the magnetic field generated between the coils to generate a current for transmission.
Mobile phone wireless charging system mainly adopts the principle of electromagnetic induction, energy coupling through the coil to achieve energy transfer. When the system works, the input end converts the AC mains into direct current through the full bridge rectifier circuit, or uses the 24V direct current end to supply power to the system directly. Wireless charging technology is a special way of power supply, it does not need the power line, rely on electromagnetic wave propagation, and then the electromagnetic wave energy into electricity, and finally achieve wireless charging.
No strong radiation, no to the human bodyHave any effect! The main principle is: the way of wireless charging is electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission, etc. Most of the wireless charging of mobile phones uses the principle of electromagnetic induction.
Buy a wireless charger: Choose a wireless charger that matches your phone model and brand. It should be noted that the charger should comply with the Qi standard, which is a widely used wireless charging technology. Plug the wireless charger: Plug the wireless charger into a power outlet, and then plug the charger's power adapter into the charger. Prepare the phone: Find the wireless charger compatible location on the back of the phone.
1, AP45851 compatible with high power output, chip compatible with Qi fast charge protocol (5/9/12V application), in line with the latest Wireless charging Alliance (WPC) Qi version specifications. The AP45851 uses the unique "CNS-chip as System" technology to fully integrate a variety of high-performance mixed-signal powerFor example, low-power device detection during standby, foreign object detection (FOD) for secure wireless charging.
2, wireless charger refers to the use of electromagnetic wave induction principle for charging equipment, the principle is similar to a transformer. There is a coil in the sending end and the receiving end. The sending end coil is connected to the wired power supply to generate an electromagnetic signal, and the receiving end coil senses the electromagnetic signal of the sending end to generate a current to charge the battery.
3, the wireless charger uses the electromagnetic wave induction principle to charge, similar to the working principle of the transformer. There is a coil in the sending and receiving end, and the sending end coil is connectedThe wired power supply generates an electromagnetic signal, and the receiving coil senses the electromagnetic signal at the transmitting end to generate a current to charge the battery. Electromagnetic induction charging This is currently the most widely used scheme, the circuit structure is relatively simple, the cost is low, but the transmission distance is short, affected by the location.