Thermal via of TPS54140

Takahiro Nishizawa

Genius 5575 points

Other Parts Discussed in Thread: TPS54140

we have a question about TPS54140.

(TPS54140DGQ)

Please tell us the recommended size about thermal via.

We want to know the recommended size, place and quantity about thermal via.

Best regards,

Takahiro Nishizawa

0 Frank De Stasi over 6 years ago

Maybe 4 or so vias would be good.

A good size might be 22mil with a 8mil hole.

0 Takahiro Nishizawa over 6 years ago in reply to Frank De Stasi

Genius 5575 points

Thank you for your answer!

Please tell us the information under the following conditions.

Diameter of thermal via : --mm

(Our customer wants to know the value by millimeter. )

Spacing between vias : --mm

Best regards,

Takahiro Nishizawa

0 Frank De Stasi over 6 years ago in reply to Takahiro Nishizawa

I would use a via with a diameter of 0.6mm and a hole of 0.2mm.

The spacing is not too important; just so they mostly fit under the device.

0 Frank De Stasi over 6 years ago in reply to Frank De Stasi

I am closing this due to inactivity.

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