Part Number: TPS54290
Hi,
My customer is looking for a two channel buck to supply C2000 MCU. It's 12-to-3.3V application. MCU has two grounds - AGND and DGND - which connect to each other thru a 0ohm resistor for noise minimization. I'm wondering…
Part Number: TPS54290 Other Parts Discussed in Thread: TPS54291 Dear Sir/Mam,
Good Day.
I would like to know that for Buck IC TPS54290PWP.
Datasheet mention two output
1) 3.3V/1.5A
2) 1.2V/2.5A
I would like to change second output Vout…
Part Number: TPS54290 Hi, We are using TPS54290 in our design and using it as Dual output source ( 1.8V and 3.7V respectively) .
PVDD1 and PVDD2 are shorted and fed by 12V supply.
Default EN1 and EN2 are pulled down.
After turning on input PVDD1…
Part Number: TPS54290 Hi,
We are planning to use TPS54290 in one of projects, it is dual output switching step down regulator and we would like generate 3.7V and 1.8V from 4.5V input using this regulator, just want check with you before proceeding further…
We are having problems with this switching converter.
Sometimes it works fine but sometimes it doesn't...
We think it's related to compensation issues:
When we touch around the compensation area it starts working but when we touch it again it stops…
Other Parts Discussed in Thread: TPS54290 , TPS54291 Is it possible to generate a 2-phase converter using the TPS54290 or TPS54291 integrated FET converter?
Hi Vincenzo,
The peak current limit can't be set to value lower than 5A with acceptable variation.
How much Iout do you need?
TPS65261 (3A/2A/2A triple buck) or TPS54290 (1.5A/2A dual buck) seems to be better for your application.
Any further…
Other Parts Discussed in Thread: TPS54291 , LM2678 Hi,
How are you?
We are selecting the right discrete components to build a dc dc converter with a tps54291 chip...
We have some questions about the inductor selection:
Why did they choose that…
Ramgopal,
Your assessment of the bulk decoupling required is correct. You must calculate the required amount and validate it. The Hardware Design Guide (SPRABI2) discusses this calculation.
This bulk capacitance will affect the control loop on the…
SI,
Please see the attached presentation. It was originally prepared for the LM10010 which was later superceded by the LM10011 which has higher precision. Please also see the many E2E posts discussing the LM10011 and TPS56121 with C667x and C665x. …
