It's really eye-opening. The demo board provided by a domestic chip manufacturer is actually short-circuited.

Nubility

It's really eye-opening. The demo board provided by a domestic chip manufacturer is actually short-circuited. [Copy link]

 

As the title says, this is a reference design PCB provided by a domestic chip manufacturer. When I first opened it, I saw that AGND and GND were short-circuited. I thought it was allowed, so I didn't think about it. Then I looked at other DRC errors and found that a USB power supply and GND copper were short-circuited. I didn't want to use it anymore, but it was stipulated that domestic chips must be used. There was no alternative chip, so I was very upset.

laker2008

No way, no way, this... Could it be that the boss of the chip factory had a massive layoff and cut all the employees to the point that there was no one left to draw the board, so he must have drawn it himself?

wangerxian

It feels like the pad was accidentally moved and the copper was not re-painted, but I don't know if this was intentional.

damiaa

I think it's because the copper was not re-laid after the wires and pads were moved.

Nubility

damiaa posted on 2024-1-18 11:17 I think it’s because the copper was not re-laid after the wires and pads were moved.

I always feel unreliable

sint27

The domestic products currently have poor supporting facilities, and it is reasonable to suspect that they have not verified the

I have encountered a demo code provided by a domestic MCU, and the IO port configuration of a certain serial port is wrong.

Nubility

sint27 posted on 2024-1-18 14:34 The domestic products currently do not do well in these supporting facilities. It is even reasonable to suspect that they have not verified the demo code provided by the domestic MCU. I have encountered it.

Very careless, people dare not use it

秦天qintian0303

No way, the power supply and the ground are short-circuited, who can test it? It will burn directly.

Nubility

Qintianqintian0303 posted on 2024-1-18 16:01 No way, the power supply and the ground are short-circuited directly, then who can still evaluate it? It will burn directly

Unzip the file and open it like this

秦天qintian0303

Nubility posted on 2024-1-18 16:13 Unzip the file and open it like this

Looking at this position, it seems that there is an error in importing the file. This kind of error should not be made.

LitchiCheng

The information is definitely not as complete as that of foreign large companies. After all, the data is accumulated there, and the manpower invested is also different.

freebsder

OK, OK, we can all ship these. This must be because the layoffs have hit the arteries hard.

qwqwqw2088

I feel like it's a problem with the board factory.

How can drawing be done with such magical operation?

Nubility

qwqwqw2088 posted on 2024-1-26 07:48 Why do I feel like it was a problem with the board factory? How can such a magical operation be achieved in drawing?

No board, just a design file.