2024-09-11 12:51 AM
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.
2024-09-11 10:09 AM
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
2024-09-11 10:20 AM
TD300 ?
https://www.datasheetcatalog.com/datasheets_pdf/T/D/3/0/TD300IN.shtml
2024-09-11 12:10 PM
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
2024-09-11 12:48 PM
Had to guess without some in-context photo.
You have other boards with this on? What is it driving? Stepper Motors? Audio Amps?
2024-09-11 01:23 PM
Indeed, you need to give more context and what application that circuit is involved?