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Software => Apple => Topic started by: Geek-9pm on October 19, 2016, 11:26:58 PM

Title: Apple iPhone AC charger: How Does It Work?
Post by: Geek-9pm on October 19, 2016, 11:26:58 PM

How you ever wondered why the Apple iPhone AC charger block is so small l and so expensive? I did, and found a blog that tears it down and reveals the amount of engineering that went into just the AC charger block.
Take a look:
http://www.righto.com/2012/05/apple-iphone-charger-teardown-quality.html

Quote

Disassembling Apple's diminutive inch-cube iPhone charger reveals a technologically advanced flyback switching power supply that goes beyond the typical charger. It simply takes AC input (anything between 100 and 240 volts) and produce 5 watts of smooth 5 volt power, but the circuit to do this is surprisingly complex and innovative.

(https://lh4.googleusercontent.com/-NY-4wTwsx64/T6V-B-8vszI/AAAAAAAAKKE/mJFOTHAfhwI/s400/charger-apple-ycap.png)
Wow! I had no idea!  8)