LMS1587: Dimensions or tolerances

Danilo A.

Part Number: LMS1587

Hi Team,

Our customer would like to request some mechanical dimensions of LMS1587ISX-3.3/NOPB which are not included in the datasheet.

He is looking for the following information:

The bottom side of package please provide dimension of the body / assembly outline since it only has the 0.200 in / 5.08 mm min.

For the leads (side view) please your support with the max & min dimensions specific for:

MIN & MAX lead dimension 1.98 mm / .078 inch

MIN dimension for : 14.35 mm / 0.565 inch since this is the max

MIN dimension for lead : 1.27 mm / 0.050 inch since this is the max.

Attached is the screenshot of the device and the dimensions that he is looking for.

TI questions .docx

Regards,

Danilo

over 3 years ago

0 Nick Butts over 3 years ago

TI__Guru 50025 points

Hi Danilo,

I'm looking into this. Please allow 2-3 business days to get back to you.

Thanks,

Nick

0 Nick Butts over 3 years ago

TI__Guru 50025 points

Hi Danilo,

Here's the latest ePOD for this package. I think it has all of the requested information.

4215105.pdf

Regards,

Nick

0 Danilo A. over 3 years ago in reply to Nick Butts

TI__Mastermind 28560 points

Hi Nick,

Thank you for this information. Our customer would like to request the maximum value of the dimension in the attached drawing.

TI questions (2).docx

Regards,

Danilo

0 Nick Butts over 3 years ago in reply to Danilo A.

TI__Guru 50025 points

Hi Danilo,

I'll ask for this dimension. I'll update this post when I have more info.

Regards,

Nick

0 Nick Butts over 3 years ago in reply to Danilo A.

TI__Guru 50025 points

Hi Danilo,

Just wanted to give you an update. The factory said that the dimension is typically 0.1mm. I know the customer asked for a max spec; I have requested a max spec if they have it. I'll update you again when I hear back.

Regards,

Nick

0 Danilo A. over 3 years ago in reply to Nick Butts

TI__Mastermind 28560 points

Hi Nick,

Thank you for this information. Our customer would like to know the maximum dimension of the thermal pad as shown in the attached file.

Texas instruments 2(1).docx

Regards,

Danilo

0 Nick Butts over 3 years ago in reply to Danilo A.

TI__Guru 50025 points

Hi Danilo,

Noted. I have sent them this additional request and have requested that they provide an answer in a more timely manner.

Thanks,

Nick

0 Nick Butts over 3 years ago in reply to Danilo A.

TI__Guru 50025 points

Hi Danilo,

The factory engineers are looking into the max spec for the thermal pad; they need to check the lead frame for it. I sent them the correct ePOD today and am waiting for their response.

Regards,

Nick

0 Nick Butts over 3 years ago in reply to Nick Butts

TI__Guru 50025 points

Hi Danilo,

I am just waiting on verification before I share the dimension. I have pinged the engineer twice now and am still awaiting confirmation. Sorry for the delay.

Regards,

Nick

0 Danilo A. over 3 years ago in reply to Nick Butts

TI__Mastermind 28560 points

Hi Nick,

Thank you for the update. We will wait for your feedback.

Regards,

Danilo

0 Nick Butts over 3 years ago in reply to Danilo A.

TI__Guru 50025 points

Hi Danilo,

The max dimension spec for the tab is 7.163mm.

Regards,

Nick

0 Danilo A. over 3 years ago in reply to Nick Butts

TI__Mastermind 28560 points

Hi Nick,

Thank you very much for your help on acquiring this information.

Regards,

Danilo

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LMS1587: Dimensions or tolerances