How to Choose a Wireless Charging Coil?
A explanation of a wireless charging coil
A wireless charging coil is defined as an electromagnetic device that transfers energy from one point to another without any direct electrical link between them. When AC passes through the transmitter coil, it generates a magnetic field that can be sensed by the receiver coil, which in turn uses that magnetic field to generate electricity that can be used to charge devices. Copper wire that has been coiled into a flat spiral shape and covered in a ferrite sheet to provide magnetic shielding is commonly used to make wireless charging coils, which are commonly used in industrial electronics, wearables, medical devices, and smartphones. Wireless charging coils provide reliable, secure, and hassle-free operation of devices without the need to connect them.
WL0243 Wireless Charging Coil Video
OEM Wireless Charging Coil Manufacturer China
The datasheet of Wireless Charging Coil
Electrical Specifications
| Parameter | Symbol | Value | Unit |
| ——————— | —— | ——– | —- |
| Inductance | L | 300 –500 | µH |
| Inductance Tolerance | — | ±5% | |
| Test Frequency | f | 125/ 0.25| kHz |
| DC Resistance | DCR | 80 – 250 | mΩ |
| Rated Current | Irms | 1 – 3 | A |
| Operating Frequency | — | 85 – 205 | kHz |
| Quality Factor | Q | ≥ 30 | |
| Insulation Resistance | — | ≥100 | MΩ |
Mechanical Specifications
| Parameter | Value |
| ————- | ———————- |
| Coil Shape | Round / Square |
| Wire Type | Enameled Copper Wire |
| Shielding | Ferrite Sheet |
| Insulation | PET / PI Film |
| Terminal Type | Solder Pad / Lead Wire |
| Mounting | Adhesive Fixing |
| Model | Outer Diameter | Inner Diameter | Thickness |
| —– | ————– | ————– | ——— |
| WL 35 | 35 mm | 15 mm | 2.0 mm |
| WL 43 | 43 mm | 20 mm | 2.0 mm |
| WL 50 | 50 mm | 25 mm | 3.0 mm |
How Wireless Charging Coil application work ?
Wireless charging coils can be used in a number of applications, especially where wireless charging is required for electronic gadgets and industrial equipment. In the current world, electronic gadgets require wireless charging for efficient operation. Therefore, wireless charging coils have been used in a number of electronic gadgets, including tablets, smartphones, smartwatches, wireless earbuds, and other portable gadgets used by consumers.
Wireless charging coils have been used in medical equipment for the purpose of powering medical gadgets that require dustproof and waterproof features. They have also been used in industrial equipment for the purpose of improving efficiency in industrial equipment.
Wireless charging technology has also been used in smart home gadgets, smart locks, and electric toothbrushes. They have also been used in automotive electronic gadgets for the purpose of in-car phone chargers.
Wireless charging coils enhance convenience, reduce mechanical wear, and increase product longevity. They are suitable for a range of modern electronic gadgets owing to their compact size and design versatility.
Benefits and Drawbacks of Wireless Charging Coil
Benefits and Drawbacks
In modern electronic gadgets, wireless charging coils have a number of benefits. First, the elimination of mechanical parts, which reduces product maintenance, is a major advantage of wireless charging coils. In addition, the lack of exposed electrical parts in wireless charging coils enhances convenience and security in the operation of electronic gadgets. In outdoor and medical gadgets, wireless charging coils are ideal owing to the waterproof and dustproof features of the coils.
Finally, wireless charging coils have consistent electrical properties and high reliability in the transfer of electrical current. They also enhance flexible installation and compact product design. In addition, the coils can be designed to suit a range of electronic gadgets owing to the custom design of the coils.
Despite the benefits of wireless charging coils, the technology also has a few drawbacks. First, wireless charging coils take a long time to complete the charging process owing to the low efficiency of the technology in the transfer of current. In addition, wireless charging coils may generate heat owing to poor coil alignment. In wireless charging coils, the transmitter and receiver coils must be closely positioned owing to the limited distance of the coils in the charging process.
Finally, wireless charging coils require a few electronic circuits, which enhance the complexity of the technology. In spite of the drawbacks of wireless charging coils, the technology is still an essential aspect of modern electronic gadgets.
FAQ Of Wireless Charging Coil
