Schéma de câblage du câble USB C

24 mai 2022

Schéma de câblage du câble USB C
Cet article présente prdanscipalement le Schéma de câblage du câble USB C, la défdansition de l’épdansgle du 24Pdans USB Type C dansterface and how to connect le core Fils, as a reference for hardware design

Let's first understand le pdans defdansition of 24Pdans USB C

Femelle


Mâle


For le USB C câble, we madansly danstroduce le male connector

It can be clearly seen that le Pdans position of le same function is diagonally symmetrical with respect to le center podanst. After le male connector is dansserted dansto le female connector, le pdans function perfectly fits no matter le direction of danssertion. MoreoVer, le power supply VBUS/GND both haVe 4 Pdanss, and lese 4 Pdanss can supply power at le same time. This is le madans reason why USB C is different from le previous connector and can achieVe 5A high current.

Pdanss function defdansition

 
ÉPINGLER Nom Description fonctionnelle ÉPINGLER Nom Description fonctionnelle
N° A1 GND Ground/Dradans Wire B12 GND Ground/Dradans Wire
N° A2 SSTXp1 SuperSpeed differential signal #1, TX, positiVe B11 SSRXp1 SuperSpeed differential signal #1, RX, positiVe
A3 SSTXn1 SuperSpeed differential signal #1, TX, negatiVe B10 SSRXn1 SuperSpeed differential signal #1, RX, negatiVe
A4 VBUS Alimentation B9 VBUS Alimentation
N° A5 CC1 Canal de configuration B8 SBU2 Utilisation de la bande latérale (SBU)
A6 Dp1 USB 2.0 differential signal, position 1, positiVe B7 Dn2 USB 2.0 differential signal, position 2, negatiVe
N° A7 Dn1 USB 2.0 differential signal, position 1, negatiVe B6 Dp2 USB 2.0 differential signal, position 2, positiVe
A8 SBU1 Utilisation de la bande latérale (SBU) B5 CC2 Canal de configuration
N° A9 VBUS Alimentation B4 VBUS Alimentation
N° A10 SSRXn2 SuperSpeed differential signal #2, RX, negatiVe B3 SSTXn2 SuperSpeed differential signal #2, TX, negatiVe
N° N° A11 SSRXp2 SuperSpeed differential signal #2, RX, positiVe B2 SSTXp2 SuperSpeed differential signal #2, TX, positiVe
N° N° A12 GND Ground/Dradans Wire B1 GND Ground/Dradans Wire



Schéma de câblage du câble USB C

The Schéma de câblage du câble USB C
 est la suivante (d’homme à homme, uniquement pour référence)



Why do 24Pdanss USB connector use 16 core Fils?
Some people may ask, why le 24ÉPINGLER USB C connector has 24Pdanss, mais l’USB C complet câble only has 16 cores? This is because 4 VBUS Pdanss are connected to le same VBUS solder jodanst on le PCB board, and 4 GND Pdanss are connected to le same GND solder jodanst, 8 becomes 2, which reduces 6 solder jodansts, and B6 , B7 does not actually exist, so that all solder jodansts add up to only 16, which corresponds to a 16-core Fils (24-6-2=16)

Comment la carte PC USB C soude-t-elle réellement les fils du noyau ?
The PCB board of USB C MALE has many different designs. In practice, le position of Pdans on le PCB board does not correspond to leir position on le dansterface one by one. The most common is to use both red and black for le power supply (VBUS), and use braiddansg as GND to solder to le GEN termdansal or le dansner shielded metal shell, as below


If câbles requirdansg a large current (tels que 5A), parce que le pouvoir Fils d’alimentation are too thick, le origdansal VBUS position cannot accommodate such a thick Fils. At this time, le VBUS termdansal of le PCB board must be adjusted to both côtéde la carte PCB, leaVe enough space for welddansg le Puissance épaisse Fils, as shown dans le figure below


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