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PMP10468: Design Modification - DC input

April 28, 2023, 4:08 pm
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Part Number: PMP10468

Hi Team, 

Good day. I am posting this inquiry on behalf of our customer.

"For the reference design PMP10468, the input is 85VAC-264VAC, and the output is 24V 1A. I would like to implement this design in my system. However, the voltage range of the system is 77VDC-138VDC. I am wondering if this design still works for this input range.."

Please help to advise. Thank you for extending your support.

Kind regards, 

Marvin 

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PSpice-For-TI: Too many machines attemping with the same access key

April 29, 2023, 7:24 am
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Other Parts Discussed in Thread: PSPICE-FOR-TI

Dear Support team,

I intended to install PSpice-For-TI on my new PC, but the following message was appeared:

”Too many machines attemping with the same access key. Please go to http://e2e.ti.com for further assistance.“

I will not use PSpice-For-TI on my old PC anymore, so the PSpice-For-TI was uninstalled from my old PC, but it didn't help.

Could you please help to handle this issue?

Thank you very much in advance.

Best Regards!

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PSPICE-FOR-TI: Too many machines attempting to connect with the same access key

April 30, 2023, 12:48 am
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Part Number: PSPICE-FOR-TI

 I cannot install PSpice after reinstalling OS on my PC. The installer reported the message below:

Too many machines attempting to connect with the same access key

I noticed that some other people also had the same issue, is it due to some limitations about the installation count?

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TIDA-010057: Firmaware at Device side and Software at mobile side. All source code for project

May 1, 2023, 6:20 am
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Part Number: TIDA-010057

Hello I am in a process of designing portable wireless ultrasound probe. I am unable to find Embedded code/Firmware and Tablet/Mobule phone software code for TIDA-010057 project

Thanking you,

Abhishek

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TINA-TI installation without Admin rights

May 2, 2023, 6:27 am
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Other Parts Discussed in Thread: TINA-TI

How do I install TINA-TI on Windows 10 when I do not have Administrator rights ? My university pc policy is not to provide admin rights. This has not prevented me from installing many other programs. For some reason TINA-TI seems different, requiring Admin rights.

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TI-EDGE-AI-CLOUD: not able to access the TI Edge AI webpage

May 2, 2023, 12:16 pm
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Part Number: TI-EDGE-AI-CLOUD

Hi Experts,

Our customer was not able to access the TI Edge AI webpage. ERROR: Your account does not have access to the requested feature.

He logged on and off, tried a different browser, He also looked for similar cases on the E2E forum.
I saw this E2E post below, may we ask if you could also help us?
(+) TI-EDGE-AI-CLOUD: Less compute usage? - Simulation, hardware & system design tools forum
Thank you and best regards,
Gerald
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PSPICE-FOR-TI: TLC555

May 2, 2023, 9:11 pm
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Part Number: PSPICE-FOR-TI

  This  pspice for TI simulation is running for long time. I have also changed the maximum step size of the simulation. Kindly help me solve this issue.  

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Input and Output Capacitor Selection

May 3, 2023, 10:04 am
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Hello, in the document (Application Report SLTA055–FEBRUARY 2006) is calculated ΔIOUT - transient output current (page 5 and 6 - Figure 3).

How is this current estimated?

Tks

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TLV8812 or LMP223x

May 4, 2023, 8:13 am
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Other Parts Discussed in Thread: TLV8812

I am simulating a Sallen Key low pass filter with the -3dB at 3Hz. I noticed that results varied with the Vcc and that the results didn't follow expected function. I am getting a rebound in the amplitude response after about 100Hz (TLV8812). I simulated with an ideal op amp and got the results I expected. (no rebound) I then tried a higher bandwidth op amp (LMP223) and saw a similar rebound but after 1kHz. Why the rebound? I also noticed that the inputs to the 2nd stage op amp were not equal. See the schematic and response below.

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TIDA-010042: Altium Files

May 4, 2023, 9:30 am
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Part Number: TIDA-010042

Dear Team,

could you please share altium design files too? 

I would like to modify the project, and would simply like to save the "copy schematics" time ;-)

Thank you and best regads,

Oleh

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TIDA-01606: operation in two level six switch inverter mode?

May 4, 2023, 3:40 pm
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Part Number: TIDA-01606

Hello, 

In this thread it was mentioned that the software does not allow for 2 level pwm mode for this reference design. However, the product page says that it can operate in 2 level mode. Can someone clarify for me?

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PMP10949: REV B Gerber Files

May 5, 2023, 6:49 am
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Part Number: PMP10949

Hi,

Is it possible to get the REV B gerber files for this board?

Thank you,

Justine

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TIDA-010054: TMS320F280049

May 5, 2023, 7:23 am
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Part Number: TIDA-010054
Other Parts Discussed in Thread: TMS320F280049

Hi Sir,

I am starting to work on Offline solar UPS and reference design from TI is “ TI DAB 10KW TIDA 010054”.

I looking for video tutorial/documents for TMS320F280049 controller which explains the clocks, peripherals and PWM to execute the project.

Also please share the calculations.xlsx sheet, mentioned in the main.syscfg as shown in attached image.

Thanks in advance.

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TIDA-050030: TIDA-050030

May 5, 2023, 11:33 pm
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PMP40766: PMP40766 - Higher Voltage Design

May 6, 2023, 2:48 am
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Part Number: PMP40766

Hi ,

We want to make design up to 84V , 10A output. So what are the components and parameters need to change into the exciting reference design.

Regards,

Nilesh

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TIDA-01487: CAN Repeater with MCU Bridge

May 8, 2023, 12:05 pm
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Part Number: TIDA-01487

I saw the previous post about inserting a microcontroller into the TIDA-01487 to make a bridge.  I want to make sure I understand Eric Schott's suggestion.  Would this diagram be the best practice?  Thank you for your time.

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TIDA-01463: Link to Gerber File

May 9, 2023, 1:44 am
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Part Number: TIDA-01463

All:

We are trying to have the a TIDA-01463 reference design produced for testing and the link to the Gerber file only provides the assembly drawings.  Can anyone provide a source for the actual Gerber file?

Thanks!

Scott

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TIDA-010062: Purpose to call function ADC PPB offset calibration

May 9, 2023, 6:23 am
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Part Number: TIDA-010062

Hi Champ,

I am asking for my customer.

In ttppfc stage in F28003x, designer calls the function ADC_setPPBCalibrationOffset to set up PPB offset calibration for ADCA module. 

(1). What is the main purpose to call the function ADC_setPPBCalibrationOffset at here in application ?

(2). Continue to (1)., is it a must need to call the function ? If yes, on the customer's board, how to make adjustments for the offset value ?

(3). Continue to (1). how about ADCB and ADCC module ? Why aren't these two ADC modules been calibrated ? Do we need additionally put code to calibrate ADCB and ADCC offset ?

Thanks and regards,

Johnny

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PMP21479: How to set fixed Vout 12V in the PMP21479 design?

May 9, 2023, 9:49 am
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Part Number: PMP21479

Hi, 

My customer would like to evaluate the PMP21479 with fixed output 12V. Would you please guide how to adjust the output voltage to 12V in the PMP21479 design? Customer wants to evaluate the performance of ACF.

Best regards,

Randy  

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PMP9643: A question on the schematic

May 9, 2023, 10:20 am
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Part Number: PMP9643

Hello,

I have been going through the schematic of this power supply but got confused as the transformer is positioned after the rectifier. Can you please clarify this point?

Do you have any transform-less power supply reference design?

 

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