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New Apple MacBook (Early 2016) Talks to the Apple 29W USB-C Power Adapter Using USB Power Delivery

2016-09-02 | by
USB PD
Product Review
Reviewed Products

Reviewed Products

Apple 29W USB-C Power Adapter

 by Apple

MacBook (Early 2016)

 by Apple

The new Apple MacBook (Early 2016) works with the Apple 29W USB-C Power Adapter as to be expected.  To see what's going on we use software from Granite River Labs to capture the USB Power Delivery Protocol transactions.

The Apple 29W USB-C Power Adapter supports 12 watts (5 volts @ 2.4 amps) and 29.6 watts (14.8 volts @ 2 amps).

The Apple MacBook (Early 2016) requests 29.6 watts (14.8 volts @ 2 amps) to be provided by the charger.

The Apple MacBook (Early 2016) at 67% charge actually only drew 14.6 volts @ .8 amps as seen on the oscilloscope screenshot below.

Reviewed Products

Reviewed Products

Apple 29W USB-C Power Adapter

 by Apple

MacBook (Early 2016)

 by Apple
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