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TLC5926: Power disipation

Part Number: TLC5926


To whom it may concern,

We were checking the specs and prefered footprint for the TLC5926IDWR, and a couple of questions have come to our minds.

What would it be the specific circuit that the current follows through the TLC5926 chip? Does the current on the load see ground through the chip's ground (pin 1) or through the R-EXT path (pin 23)?

When checking the prefered footprint for this package, It does not give you any clue how the current will travel through the driver as all the tracks have the same width.

Thank you very much in advance for your help.

Best regards,

Francesc