You can capture a screenshot on iPhone 5 directly without any third-party app.
The smallest components, such as the resistor pointed out in the picture, are known as "0402" size since they are.04 inches.02 inches.
I assume the chip has these markings because it is being manufactured for Flextronics.
The switching transistors are 1HNK60 600V 1A N-channel mosfets.The gray ribbon cable (just barely visible on the lower right under the capacitor) provides feedback from the secondary board to the controller IC to keep the voltage regulated.The input AC is filtered thorugh a tiny ferrite ring on the plastic case (see photo below).Most charger power supplies, by contrast, use a simple resistor-capacitor-diode clamp which dissipates the energy in the resistor.15 Apple replaced the chargers with a redesigned model indicated by the green dot marking shown above (which counterfeit chargers inevitably imitate).The power supply is controlled by an 8-pin STMicrosystems L6565 quasi-resonant splish splash promo code 2016 smps controller chip.The charger consists of two circuit boards, slightly under one inch square each.The second component type is the optocouplers, which send the feedback signal from the secondary to the primary.Galaxy S4 screen capture, iPhone 5 allows you to capture a picture of what was on your iPhones screen too.2 The Apple power supply uses a flyback design, where the transformer operates "backwards" from how you might expect.There are three types of components that cross the isolation boundary, and they must be specially designed for safety.(The second transistor clamps voltage spikes, as will be explained below.) The chopped DC goes to the flyback transformer (yellow, barely visible behind the transistors which has low voltage output wires going to the secondary board below.It took me a long time to realize that the "flex01" marking on the controller IC indicates Flextronics, and the X on the chip was from the Flextronics logo.Finally, if you have an interesting charger lying around that you don't want, send it to me and maybe I'll write up a detailed teardown.We continue to identify technical compliance solutions that will provide all readers with our award-winning journalism.
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