Difference between Apple Chargers and others is attention to detail
It is easy to know that the Apple Chargers is very useful and necessary for your Iphone. And it uses a fly back switching power supply, like most USB chargers. Simply put, it takes AC input and produces five watts of smooth 5-volt power with a "surprisingly complex and innovative" circuit designed to produce carefully-filtered and smooth power, to prevent any dirty power interference with the touch screen when plugged in. Apple chargers are of exceptionally high quality, says Sherriff, and given the cost of the components, there’s no reason why more chargers shouldn’t be built this way. The important difference between Apple Chargers and others is attention to detail.
An exhaustive analysis of the Apple Chargers was conducted by Ken Sherriff (via Gizmo do), revealing that Apple utilizes a "surprisingly complex and innovative" circuit to convert AC input between 100 and 240 volts to 5 watts of smooth 5 volt power. Apple chargers cram a lot of technology into a small space. Apple went to extra effort to provide higher quality and safety than other name-brand chargers, but this quality comes at a high cost,” he said, adding that he was “surprised to realize how enormous Apple’s profit margins must be on these Apple Chargers.”
As with most other Apple products, the difference between this USB Apple Chargers and others is attention to detail. Sherriff found an uncommon level of thought put into the Apple Chargers, including two large capacitors and an inductor filter for the output of the adapter, rather than the standard one capacitor. The extra filtering is likely used to prevent a 60Hz hum in audio playback. A grounded metal shield covers the high-frequency components. This metal shield and a shield winding around the transformer provide an extra level of electromagnetic interference absorption. And what is better, there are also have the specially Apple Chargers which is called the Iphone Car Charger to bring you more useful and convenient. No matter which charger they are all belong to Cool Electronics Gadgets to make our life more fashion and practical.
One of Apple’s main concerns with the design of its Apple Chargers is safety. Sherriff found that Apple employs "super-strong AC prongs," as well as a "complex over-temperature / over-voltage shutdown circuit." Disassembling Apple’s diminutive inch-cube Iphone charger reveals a technologically advanced fly back switching power supply that goes beyond the typical charger. The power adapter is a high-pressure device, for whatever reason should not open it, even when not turned off in Power Adapter can. I hope you can remember this message.
Source from: http://blog.topons.com/index.php/2012/08/difference-between-apple-chargers-and-others-is-attention-to-detail/
Processing your request, Please wait....
