Heat a borad

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Heat a borad

Postby heppoko » Fri Jul 06, 2018 9:08 pm

Hi,

I am using to drive 24V 3A DC motor by MD10C. The board gets heat just by connecting the power supply. Temperature is about 60~70 degrees. More more heat when motor is moving. Is this normal? Not burning now but I worry to burn the board. Do I need to cool the board? Everyone use cooling fan?
I know the stress test video, it is heat until 117 degrees with no cooler. Is this no problem?
heppoko
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Re: Heat a borad

Postby Idris » Mon Jul 09, 2018 5:17 pm

Hi heppoko,

It is not normal the driver heat up without load. Could you share a few clear photos/video on your hardware setup?
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Re: Heat a borad

Postby heppoko » Tue Jul 10, 2018 1:09 pm

Thank you for replay.

1.jpg
Connectioin


I only connected from Power unit to driver. The power supply unit I use is TDK-lambda RWS150B-24.

https://www.us.tdk-lambda.com/lp/produc ... sb-series/

2.jpg
heat area


Turn on the power and listen carefully, I hear the high frequency sound from the driver.
I have several MD10C driver boards. Each board is the same heat. Is there any problem with the power supply unit?
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Re: Heat a borad

Postby Idris » Tue Jul 10, 2018 3:42 pm

Hi heppoko,

Thanks for the clear photos.

The area that you highlighted is 7812 regulator. The heat (on that area) is normal for 24V operation.

Thanks. :)
Cytron Technologies invest time and resources providing tutorial, training and support for STEM education and maker movement. We need your support by purchasing products from Cytron Technologies. Thanks.
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Re: Heat a borad

Postby heppoko » Wed Jul 11, 2018 8:53 am

Would you please tell me your thoughts on waste heat for these drivers?
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