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TPS62420: Component tilted after going through reflow oven in production

Part Number: TPS62420

Hi all,

My PCB footprint is designed exactly as the datasheet has specified.

However, the component does not have a good yield in production.

That is, sometime the component is tilted to one side (the four pins on the right side lifted up from the board) and hence some of the pins are not making contact to the pads on the PCB.

Can you please suggest corrective actions?

Do you have any pictures of ideal solder joints between pins and pads for this component?  What are the dimensions used when designing this ideal component footprint?

Thanks,

Liet Ly