Ryan,
From the reference design author:
"I recall the soft start cap value needs to be adjusted. The original design used the values per Fig 13 in the TPS54225 datasheet."
It looks like you are good to go with your current SS cap value. Let us…
Other Parts Discussed in Thread: TPS54225 I'd like to be able to connect a few power good outputs from various LDO's and switchers together as they are open-drain. The TPS54225 says to connect the PG to VREG5 pin. VREG5 says it is approx 5V and I need…
Other Parts Discussed in Thread: TPS54225 Hi,
Please let me ask about internal 5V regulator of TPS54225.
Is VCC input used only for internal 5V regulator? Or is it used for other internal circuit directly?
Can you provide PSRR of this internal…
Part Number: TPS54225-Q1 Hi,
I am currently working on a design and I want to use TPS54225-Q1 to generate 5V rail.
Here are some requirements:
Input: 9-18V; Output: 5V@1A.
I have designed the schematic as following:
Please let me know if you…
from the packaging group:
Both of these are exposed pad packages, so the primary heat path is to the PCB through the exposed pad and the solder connection. Very little heat goes out the top of the device.
Hi,
I found that the abnormal startup when VIN turn off and on with short interval. Please see following background and give your comment for question.
Background
The normal startup could be seen when VIN is turned on and off with long interval…
Other Parts Discussed in Thread: TPS54225 Does a Min value have Css of TPS54225?
Although there are worries about inrush current, the customer thinks in tss:200 μs or less (Css:523pF or less).
Thank you for your consideration.
Other Parts Discussed in Thread: TPS54625 , TPS54425 , TPS54429 , TPS54225 Hi, Customer is considering TPS54625,TPS54429,TPS54425,TPS54225. Could you tell me the value of internal current source of TPS54625,TPS54429,TPS54425,TPS54225. Customer want to…
Other Parts Discussed in Thread: TPS54526 , TPS54225 , TPS54525 Our customer inquire the issue that the TPS54225 does not restart after the momentary power outage. I looked over this Forum and I think this issue is similar to the reports as “ TPS54526…
Hello,
Please answer following request from customer.
Datasheet specify that the Current Limit is 2.5A min and 4.5A max.
Customer wants to know the variance of Current Limit.
Could anyone give me the distribution data of Current Limit ?
…
