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DS90UB954-Q1: Power distribution details per pin

sevender sharma

Prodigy 80 points

Part Number: DS90UB954-Q1

Tool/software:

Hi Team,

I am looking for some detailed information regarding the power distribution in DS90UB954-Q1. Following are the query.

1. Which sections are powered up from VDD18_P0 & VDD18_P1 pins (45, 46)?

2. VDD11_D pin (3) used for which section?

3. Please confirm from which 1.8 V power internal oscillator generates 1.1V?

0 Glenn Uranga 7 months ago

TI__Genius 16230 points

Hi Sevender,

Can I ask why you need this information?

Glenn

0 sevender sharma 7 months ago in reply to Glenn Uranga

Prodigy 80 points

Hi Glenn,

Thank you for your reply.

I am facing some issues in EMI, related to Deserialiser DS90UB954-Q1. I already tried to place the decaps close to the power pins but still need to understand the complexity (which pin is more sensitive). Being a design engineer, I want to understand the power architecture of the IC. It will be a great help if you can share some block diagram of power architecture or more details.

0 Glenn Uranga 7 months ago in reply to sevender sharma

TI__Genius 16230 points

HI Sevende,

Thank you for your inputs. I have a presentation that we have to help with this but can't share on open forum. Do you have an NDA with TI?

Glenn

0 sevender sharma 7 months ago in reply to Glenn Uranga

Prodigy 80 points

Hi Glenn,

Yes we have NDA with TI.

ICMNDADMA_8456 is the NDA number for your reference. Please help me with the data.

0 Glenn Uranga 7 months ago in reply to sevender sharma

TI__Genius 16230 points

Email sent.

0 sevender sharma 7 months ago in reply to Glenn Uranga

Prodigy 80 points

Hi Glenn,

Thank you very much for the data. I have few concerns in the shared data. I had messaged you privately ragarding this.

0 sevender sharma 7 months ago in reply to sevender sharma

Prodigy 80 points

Hi Glenn,

Please share your thoughts on the queries I have shared you in private chat.

0 Glenn Uranga 7 months ago in reply to sevender sharma

TI__Genius 16230 points

Hi Sevender,

will reply soon.

Glenn

0 sevender sharma 7 months ago in reply to Glenn Uranga

Prodigy 80 points

Hi Glenn,

Is there any way we can have a short technical call regarding this? I have sent you some queries in private chat. Please check.

0 Glenn Uranga 7 months ago in reply to sevender sharma

TI__Genius 16230 points

HI Sevender,

Please see my response in chat.