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STWBC86 coil driver rise and fall time

piterek15
Associate

‎2024-11-21 09:35 AM

Hello, is there any way to adjust the rise and fall time of the coil driver on the STWBC86? The observed rise and fall times are currently 3-4ns, but I am looking for ways to extend them to 70ns+ due to excessive emissions with my product.

Thank you!

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2 REPLIES 2
willzhou
ST Employee

‎2024-11-24 12:51 AM

sorry there is no config setting for driver rise and fall time, how about you use external C or R to adjust

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piterek15
Associate

‎2024-11-27 05:43 PM

Where do you suggest connecting C and R? Do you have recommended values that won't have a big impact on power transfer efficiency? 

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