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Forum Post: Solar Explorer Kit errors with "Lightcommand"
To Whom it May Concern, Hello. I believe that I have been following the guide included with the F28M35 inverter step-by-step and have been unable to get build 1 to work correctly. My values for...
View ArticleForum Post: RE: could TPS54231 use for inverting boost with swift
Switcherpro only supports the Buck topology. I do not think there is any specific literature for TPS54231 inverting buck boost, but you can use the general procedure...
View ArticleForum Post: boost converter in DCM
hallo, i'm afiq zulhilmi. i need your information. i hope you can help me.can i know what type of simulation circuit software that you use to run the circuit with IC LM3578A. i already try in multisim...
View ArticleForum Post: RE: Help With Pd, Thetas & Thermal Calcs: LMZ12008
UPDATE:Charts produced by WEBENCH Designer provide efficiency of ~93.3% and Total Pd of ~1.55W. I don't see any way the charts in the data sheet can produce these values, so which do I believe?Eric
View ArticleForum Post: RE: TPS64203 - non-isolated AC/DC buck converter with no transformer
Hello Jeff,Does TI offer an evaluation kit for this design? Or something similar? I'm looking for a low cost AC-DC solution very similar to this design, and it would be extremely helpful to have an...
View ArticleForum Post: RE: Visual Basic and bq evalutaion SW
hi Derrick,No, it doesn't make a major difference. Majority of the information contained in that app note applies to the bq20z65. thanksOnyx
View ArticleForum Post: RE: LM5007 with negative input voltage
Hi,The second one seems correct. If the input voltage is fixed it should work.Regards,Vijay
View ArticleForum Post: RE: TPS56121 PGD pin operation when there is no power to the device
Sasaki-san,This is the feature of TPS56121. In case there is no power to the device and PGOOD is pulled up to anxiliary supply, the diode connection helps to keep PGOOD to logic low.You can find the...
View ArticleForum Post: RE: TPS3619 Battery Freshness Seal
Hi CM,Devices with BFS are : TPS3600, TPS3606, TPS3610, TPS3617 & TPS3619. Note, the TPS3600 and TPS3610 does not have timing requirements to enter BFS mode.Regards,Darwin
View ArticleForum Post: BQ51013A Out Pin Cap Size
What function does the cap on the OUT pin serve and how is it the value calculated? The pin description does not call for a cap but the EVM and Figure 2 of the BQ51013A user guide do. Please clarify.
View ArticleForum Post: UCC2818 PFC design questions
What are the loop bandwidth design considerations for a PFC operating over a fundamental input frequency range of 360 to 800Hz? I believe the voltage control loop needs to be very low - on the order...
View ArticleForum Post: RE: boost converter in DCM
Hi Afiq,In the interest of cost, I would recommend simply building an adapter board to interface our IC with your board. The IC holder/socket is pretty expensive and only feasible to purchase and...
View ArticleForum Post: RE: LM5119
HiThat is not a function. By changing the input and output connection, most of buck regulator can be reconfigured to buck-booct regulator.Refer to http://www.ti.com/lit/an/snva022d/snva022d.pdfRegards,
View ArticleForum Post: 24v 7w LED driver (TL4242 or others)
I am working on a lighting solution for a small retail building where I wish to use 600 24v 7w LEDs in four separate arrays. The configuration of each array I want to use is as follows:1) one...
View ArticleForum Post: RE: Improving accuracy of TPS7A4700 with Opamp
I attach a PDF of the schematic from TINA for the proposed circuit. The generator VG1 is simulating the voltage reference which normally would be DC, but for the simulation I have some sinewave on it...
View ArticleForum Post: RE: Input Current vs. Output Current LM25575
Hi Anston,thank you for the quick reply.I realized that this is the nominal bias current listed in the datasheet.I order now the TPS54140A to get the needed result.Pascal
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Forum Post: RE: Help With Pd, Thetas & Thermal Calcs: LMZ12008
Hi Eric,I will put my Answers in RED Charts produced by WEBENCH Designer provide efficiency of ~93.3% and Total Pd of ~1.55W. I don't see any way the charts in the data sheet can produce these values,...
View ArticleForum Post: RE: TPS5450 major problems!!
Hi Grayson,One more thing to look at, in addition to the stability. What is the connection to the power supply like? If long leads are used a bulk cap may help on the input to the board. On the second...
View ArticleForum Post: RE: Question about LM3526
Hi Haopeng,I have forwarded this question to the concerned Applications team. They will get back to you shortly.Thanks,Anston
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