Component identification

[Semator]

Hello everyone, I have problem with IC identification. Marking is D300I , 90A819. Pls let me know what kind of IC it is.

Vcc pin i the 1st pin, and GND is 8th pin, that's all I know.

 

[Joe WILLIAMS]

Hi Semator

 

This post has been escalated to the ST Online Support Team for additional assistance.  Should anyone else have a similar question about Part Identification, please submit your request directly to the ST Online Support Team at https://my.st.com/ols

 

Kind Regards

Joe

STMicro Support

[Tesla DeLorean]

TD300 ?

https://www.datasheetcatalog.com/datasheets_pdf/T/D/3/0/TD300IN.shtml

 

[Semator]

Close, but the supply voltage is around 15V, and it is between 1st and 8th pin, on td300 gnd is on 10th, but thank's for trying to help

[Tesla DeLorean]

Had to guess without some in-context photo.

You have other boards with this on? What is it driving? Stepper Motors? Audio Amps?