CSD95410RRB: CSD95410RRB + TPS53647

Moritz

Prodigy 120 points

Part Number: CSD95410RRB
Other Parts Discussed in Thread: TPS53647, CSD95472Q5MC, CSD95480RWJ

Tool/software:

Dear Forum,

is the CSD95410RRB Smart Stage compatible with the TPS53647 controller?

4 - Phase Design 0.85V 80A

Thank you.

Kind regards

Moritz

5 months ago

0 Abhishek Vishwa1 5 months ago

TI__Expert 6980 points

Hi Moritz,

Thanks for reaching out to TI.

Please allow me some time to do the necessary compatibility check for the above devices and get back to you in 1-2 days.

Thanks & regards,
Abhishek

0 Moritz 5 months ago in reply to Abhishek Vishwa1

Prodigy 120 points

Hi Abhishek,

Thank you for the update.

Kind regards

Moritz

0 Abhishek Vishwa1 5 months ago

TI__Expert 6980 points

Hi Moritz,

Thanks for the patience.

To my understanding and based on systems already designed with other similar power stages, I dont see any issue in using TPS53647 with 410 SPS.

The controller TPS53647 should work well with CSD95410 based Smart Power Stage.

You may also see the below thread for some more information.

(1) TPS53647: 4 phase design for 0.95v/160A - Power management forum - Power management - TI E2E support forums

Thanks & regards,

Abhishek

0 Moritz 5 months ago in reply to Abhishek Vishwa1

Prodigy 120 points

Hi Abhishek,

thank you very much for your reply.

I saw that post earlier but the Stratix 10 TI Reference Design uses a CSD95472Q5MC Power Stage.

Our current design uses a TPS53647 with 4 x CSD95480RWJ, which are now classified as NRND.

Are there any design changes necessary to replace them with the recommended 'Drop-in Replacement' CSD95410RRB?

Thank you.

Kind regards

Moritz

+1 Abhishek Vishwa1 5 months ago in reply to Moritz

TI__Expert 6980 points

Hi Moritz,

Yes, the TI reference design used older part, and we did not refresh the design with new parts.

In order to replace the 480 device, 410 can be directly used without changes in the hardware provided that there is no spec change in the design or current. The RLSET value will be changed for the same inductance value.

However, there might be some fine tuning required to meet transient specs such as ACLL etc.

Thanks & regards,
Abhishek

0 Moritz 5 months ago in reply to Abhishek Vishwa1

Prodigy 120 points

Perfect, thank you.

0 Abhishek Vishwa1 5 months ago in reply to Moritz

TI__Expert 6980 points

Hi Moritz,

Mention not.

Please feel free to reach out in case you have any other queries regarding the power stages or the controller.

Thanks & regards,
Abhishek