Part Number: TPS54620 Hi team,
My customer is using the TPS54620, and we are experiencing power startup failures at low temperatures. Could you please review the following?
Conditions
Input voltage: 14 V
Output voltage: 0.95 V
…
Part Number: TPS54620 Tool/software: Dear Sir,
I use this demo sch to control the laser led, I want to know what f requency of LED_PWM should be used? 1K or 10KHz? thanks.
Part Number: TPS54620 Tool/software: Hi Ti Team,
We are using MPN#TPS54620RGY in our design for Vout= 1.2V and Iout=4A max, Vin =12V nominal, our Vout ripple requirement is lesser than 10mV.
Found an issue with the soft start behavior of this device…
Part Number: TPS54620 Other Parts Discussed in Thread: TPS54623 , Tool/software: Hello,
Our Customer is having question related to part below:
TPS54620RHLR
Per End Customer:
Need to contact supplier to check what is the difference between the…
Part Number: TPS54620 I have been trying to track and debug an extremely odd system failure on a PCIe add in card and after a long frustrating incremental process of debug have determined that at least one of the points of failure is in the power system…
Part Number: TPS54620 Tool/software: Hello,
Question for below:
1) In the error amplifer, how to read the phase margin? I suppose it should go to -180, but it's not.
2) For the control loop, what's specfic in schematic? I suppose it should be the…
Part Number: TPS54620 Hi，
Is there a document explaining the fault mode of TPS54620？ such as the impact of short circuits or open circuits on the output of each pin.
Thanks!
Part Number: TPS54620 I am trying to analyze an existing dc-dc converter to redesign it. Webench keeps changing the component values back. Is there anyway to analyze a custom design on Webench?
Part Number: TPS54620 Tool/software: Hello,
We are using TPS54620 in one of our project for avionic. We need pass conducted and radiated EMI according standard RTCA-DO160 Cat M.
Unfortunately we did not pass conductive limits at frequencies 749kHz…
Part Number: TPS54620 Hi TI experts,
In our design, there is an uncontrollable high pulse (3.3V) applied to EN pin before normal power up sequence starts.
The pulse width is about ~10ns. Is there any deglitch filter inside TPS54620 EN pin which can…
