Shenzhen Wantuo Electronic Technology Co., LTD., under the electrical small two productsBrand focus on the field of portable mobile power intelligent research, is the world's leading intelligent portable mobile power solution of the well-known brand, as early as 2004, Wanto Electronics developed the world's first intelligent output notebook external battery, which is the world's earliest mobile power product prototype, and obtained the national utility model patent.
Pinsheng Electronics is a collection of science, industry, trade as one of the high-tech enterprises, its charging treasure design intimate, large capacity, good durability, high user satisfaction. Pinlu charging treasure Pinlu charging treasure feel comfortable, moderate size, screen display information is complete,Powerful input function, fast output speed.
Pinsheng PISEN, top ten charger brands, the most competitive brand in the market, well-known brand in the industry, joint-stock high-tech enterprises, Guangdong Pinsheng Electronics Co., LTD. SAMSUNG, founded in South Korea in 1938, is one of the Fortune 500 companies in the world, a leading enterprise in the field of global consumer electronics, and a leader in the global electronics industry.
ROMOSS Romoss power bank has been among the best in the market. Stable charging performance, high safety, has a good user reputation. Meizu MEIMeizu not only performs well in the field of smartphones, its charging bank is also highly praised. Large capacity and fast charging speed, exquisite design, good texture. Pinsheng PISEN has a high reputation in the field of digital accessories, and its charging bank has excellent compatibility.
Millet: Millet charging treasure with high cost performance, fast charging speed, large capacity and favored by the majority of users. Xiaomi's power bank is of reliable quality and has a variety of capacities and styles to choose from. 2 Anker: Anker is a brand focused on mobile power and charging accessories, its charging bank with high quality, high capacity and fast chargingElectrical and other characteristics. Anker's power bank has stable quality and is suitable for outdoor activities without power for a long time.
The variety and number of charging bank interfaces are limited, and there may be only one or two USB-A interfaces. However, there are also many charging banks in the interface is to do a variety of types, USB-A, USB-C, Micro-USB, Lightning, etc., the more interfaces can support the more charging bank devices, it will be more convenient.
1. An iPhone's wireless charging receiver card. Wireless charging receiving card a compatible charger. A non-metal flexible ultra-thin casing.
2, open the back cover of the smartphone, and then take out the wireless charging receiver ready; Or the protective layer of double-sided tape peel; The next task is to connect the receiver's metal shock to the smartphone battery, which is the most difficult part of the process. However, as long as you are careful to ensure that each metal shock is connected together, it can be done.
3, one of the self-wound coil connected to the charging circuit, 555 output pin (third pin) connected to oneThe output tube (at your own will, but to the high-frequency power tube) the output tube is linked to the self-winding coil, and the connected two coils are close (about 1 cm or so there is a very sufficient charging current). The efficiency of this circuit is very low, because there is only half a wave peak high frequency so the loss is relatively large, but the principle is quite simple and easy to produce.
4, the working principle of the wireless charger is that a power supply passes through a high-frequency oscillator, a high-frequency power amplifier, transmits an electromagnetic signal through a coil, the other side of the induction coil receives the electromagnetic signal, and the output voltage is high enough and the output current value is large enoughCharge the battery.
Redmi k20 does not support wireless charging. The RedmiK20 is the first Redmi phone with NFC capability and uses NXP's latest generation SN100 series chip, which improves transaction speed by 30% over the previous generation. Seven-generation screen fingerprint, GameTurbo0, 4000mAh large battery. In addition, it is equipped with 8nm process Primus 730 processor. Equipped with 4000mAh capacity battery, support 18W Fast charge and NFC, certified by Hi-ResAudio.
System version is MIUI8, Redmi k20 does not support wireless charging, because it is not equipped with wireless charging coil; The machine is equipped with a 4000mAh capacity battery that supports 18W of charging power in a combination of 5V3A, 9V2A and 12V5A. RedmiK20 adopts 39-inch polar full screen, screen fingerprint; Provide 20 million elevating camera, SONY 48 million AI triple camera wide Angle optical zoom; Snapdragon 730, launched by domestic manufacturers; 4000mAh 18WCharge up quickly.
Redmi k20 does not support wireless charging. Only up to 18 watts of fast charge is supported, and there is no wireless charging and reverse charging function. The Redmi k20 is a mid-range model priced between 1,000 and 2,000 yuan. The processor is Snapdragon 730, the battery is 4,000 mAh, and there is no wireless charging coil inside, which can be charged quickly to ensure its longer battery life. Does Redmi k20 support wireless charging? Not supported. The Redmi k20 is a phone that went on sale in May 2019.
OPPO supports wireless charging of mobile phones: OppoFindXoppoFindX3pro, oppoFindX3neo, oppoFindXopporenoopporeno8pro, oppoFindX5pro, oppoaceoppofindn, oppox2021. The opporeno8 is a smartphone released by OPPO.
Yes, the vivox100s has wireless charging. vivox100sAs a high-end mobile phone, it adopts the latest wireless charging technology in terms of charging technology. Wireless charging technology is a convenient way to charge, do not need to plug and remove the traditional data cable to charge, just place the phone on the charger to charge, greatly improving the user experience.
Many mobile phone brands now offer wireless charging. Some well-known phone brands include Apple (iPhone 8 and above models), Samsung (Galaxy S6 and above models), Huawei (Mate 20 Pro, P30 Pro, Mate 30 Pro and other models), millet (Mi Mi 10 and other models), OPPO (Find X2 Pro, Find X3 Pro and other models) and so on.
1, many vivo/iQOO models of mobile phones support wireless charging, including iQOO 11 Pro, X90 Pro, X90 Pro, X Fold, iQOO 10 Pro, X80 Pro Snapdragon version, X80 Pro GuetVersion, X Fold, X Note, iQOO 9 Pro, X70 Pro, iQOO 8 Pro, etc., bring users a convenient charging experience.
2, support wireless charging mobile phones are: millet Samsung S10 series, millet MIX2S, millet MIX2S, Huawei Mate20PRO, iPhoneX, iPhone8 and iPhone8Plus. Wireless charging technology comes from radio energy transmission technology, which can be divided into two ways: low-power wireless charging and high-power wireless charging.
3, iPhone13pro, for example, Apple 13pro built-in lithium-ion rechargeable battery, wireless charging, wireless charging power up to 15W, can support Qi wireless charging and MagSafe magnetic wireless charging. Charging via a USB connection to a computer or a power adapter is also fast, with a 50% charge in about 30 minutes, using a power adapter of 20 watts or more (available separately).
4, OPPO support wireless charging mobile phones: oppoFindXoppoFindX3pro, oppoFindX3neo, opPoFindXopporenoopporeno8pro, oppoFindX5pro, oppoaceoppofindn, oppox2021. The opporeno8 is a smartphone released by OPPO.
1, for example, for the 6-10 layer of memory module PCB design, the selection of 10/20mil (drill/pad) through the hole is better, for aFor high-density, small-size boards, you can also try using 8/18Mil holes. Under the current technical conditions, it is difficult to use a smaller size of the hole (when the hole depth exceeds 6 times the diameter of the hole, it is impossible to ensure that the hole wall can be uniformly plated with copper); For the power supply or ground wire hole, you can consider using a larger size to reduce the impedance.
2, in the range of ravg 0~ 0.08m, the output power increases first and then decreases with the increase of coil turns; In the range of ravg 0.08~ 0.4m, the output power decreases first and then increases with the increase of coil turns