Two identical LEDs are on the other side. In the middle are two LEDs, orange/red and green. The circuit board inside the Magsafe connector is very small, as you can see below. The block of metal on the left is not magnetized, but is attracted by the strong magnet in the Mac's connector. The plastic pieces hold the pins in place. There is no data communication via the adapter sense pin with the charger unit itself.ĭisassembling the connector shows the spring-loaded " Pogo pins" that form the physical connection to the Mac. Only two wires - power and ground - go to the charger unit. The charger wires are soldered onto the back of this board. Removing the outer plastic shell reveals a block of soft waxy plastic, maybe polyethylene, that helps diffuse the light from the LEDs and protects the circuit underneath.Ĭutting through the soft plastic block reveals a circuit board, protected by a thin clear plastic coating.
Also note that the middle adapter sense pin is much smaller than the pins, unlike the Magsafe 2.
The connector below is an older Magsafe notice the slightly different shape compared to the Magsafe 2 above. I had a Magsafe cable that malfunctioned, burning the power pins as you can see in the photo below, so I figured I'd tear it down and see what's inside. The pins are arranged symmetrically, so the connector can be plugged in either way.
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