Selfmade USB-Cable Troubleshooting

[rudepurple]

Hello everybody,

i have some trouble with a selfmade usb cable. I want to charge my Sony Hdr-AS50 Actioncam(https://www.sony.com/electronics/actioncam/hdr-as50) with a powerbank(https://www.anker.com/store/powercore-13000/A1215011). Using the original cable that came with the power bank everything works fine but not with my selfmade one. Even weirder is that both cables work with a older power bank.

I am using a A-Type Connector and a Micro-B Connctor (The orignal cable uses the same). The wiring is done to the following schematic:


Using a voltmeter i reasured the pinout of the two cables is identical.

Can someone please explain me this behaviour?

[Mp3]

Your schematic is not in your post.

I am going to guess that your diy cable has the wrong resistance from end to end and the  smarter power bank is checking this and refusing to charge it

[rudepurple]

i ran into trouble with google drive there.
Should be fixed now.

The cable in the image is my second attempt. I cut the original cable and just shortened it and put my own connectors on it. Shouldn't the end to end resistance stay the same?
Thanks!

[Mp3]

It probably should be the same resistance then. I imagined you used some different cable.

and what happens you connect ID to ground?

[rudepurple]

I was thinking about the ID pin too, but according to the usb standard it only should be pulled to ground in order to get a host cable.
Probing the working cables shows that ID and GND are not connected
I get some deviating measurements on the resistance of the diy cable. So for now i will further investigate the resistance idea following this website: https://www.tablix.org/~avian/blog/archives/2019/06/measuring_usb_cable_resistance/. I am using cheap connectors. Mayber that is the problem.

Thank you.
More ideas are still welcome

[Mp3]

I was thinking about the ID pin too, but according to the usb standard it only should be pulled to ground in order to get a host cable.
Probing the working cables shows that ID and GND are not connected
I get some deviating measurements on the resistance of the diy cable. So for now i will further investigate the resistance idea following this website: https://www.tablix.org/~avian/blog/archives/2019/06/measuring_usb_cable_resistance/. I am using cheap connectors. Mayber that is the problem.

Thank you.
More ideas are still welcome

Good luck. I know the ID pin is not needed by the usb standard, but Sony is well known for ignoring (or deliberately messing with) wiring/protocol standards

[jc101]

Is the D+ and D- really crossed over like that?

Might mean the camera detects the wrong type of charger, although if they both measure the same...

Also try without any D-/D+ connected at all, that should delivery 500ma if the camera is willing to take it.