Apple 1A 2.1A 2.4A identification resistors

W

D+

D-

Voltage

Current

D+ (Vcc/GND) Resistors

D- (Vcc/GND) Resistors

0.5W2.0v2.0v5v0.5A75.0KΩ/49.9KΩ75.0KΩ/49.9KΩ
5W

2.0v

2.7v5v1.0A75.0KΩ/49.9KΩ43.2KΩ/49.9KΩ
10W2.7v2.0v5.1v2.1A43.2KΩ/49.9KΩ75.0KΩ/49.9KΩ
12W2.7v2.7v5.2v2.4A43.2KΩ/49.9KΩ43.2KΩ/49.9KΩ

Apple 5W 10W 12W Chargers identification



Example of 1A and 2.1A ports resistors an the board.