Forum Post: RE: BQ34Z100 Reset command
If it cannot resolve an internal communications issue, then it can be setup to disable the pack to prevent a safety issue. how this is possible??? is my host able to detect its internal communication...
View ArticleForum Post: RE: BQEasy SW des not detect EV2300
I'm sorry for the trouble. If you cannot get the unofficial EV2300 drivers to work on your system, then you might need to try the EV2400 which doesn't require any driver installation and is officially...
View ArticleForum Post: UCC28950 380V/28V 1000W DC-DC converter design
Hello,I am trying to design a converter that the input is 300-400V and the output is 28V/35A. It can be 500W converter and it can be used parallel using syncronous pins of the IC.Firstly I am trying to...
View ArticleForum Post: Rectifiers for electrolysis
400VDCin, 12V@460W, LLC with Synchronous Rectifiers.http://www.ti.com/tool/pmp5967#1Alsothis productwasYoushould try toset theinputAC220V(50/60Hz Single phase).This deviceallows you to adjustthe...
View ArticleForum Post: RE: TPS65105 is not working
Hello Vijay,Most probable the boost converter is instable. When checking the scheamtic, it seems that there is just a very small output capacitor. Is this correct? If yes, please add a bigger output...
View ArticleForum Post: RE: TPS65100 Support
Yes. VDD is input voltage.In our application we will use 3.3V. Therefore, I think TPS65100 can be used. Am I right?
View ArticleForum Post: LM20323 Light-load operation
Hi,I am evaluating the LM20323EVAL now.IC will heat a little at light loads. ・Load current 140-250mA ・Vin=24V/Vout=10V(BOM ischanged)Q1.Does LM20323 have a diode emulation mode?Q2.Is there a...
View ArticleForum Post: RE: Start-up problem with TPS54040A
Are you sure that all the compensation components are installed on the correct pads? Looking at the layout it seems like it might be possible for those to become confused. Also the chip has a thermal...
View ArticleForum Post: Fly-buck transformer maximum primary inductance
Does anyone know how the expression in equation (14) of the TPS55010 data sheet (SLVSAV0A - June 2011) was derived? I've done some simulations which seem OK when this value is (even greatly) exceeded....
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Forum Post: RE: TPS40304 running but doesn't regulate the output
I made a couple fo measurements focused on the OCP mode triggering.The startup OCP level calibration seems right, OCP voltage level is about 57 mV (5k6 resistor)Waveforms on SW pin 8:The whole group of...
View ArticleForum Post: RE: LM25574 sync duty cycle
I still need to verify that the suggested capacitive coupling will really work properly. From the "simplified sync circuit" in the datasheet, it seems that the chip will hold the sync pin low for some...
View ArticleForum Post: RE: UCC2897A common line and VDD rail?
I have finally a prototype in the lab. It appears there is indeed a catch with the VDD and VIN. I have 24->12V buck SMPS supplying VDD and VIN left floating as recommended. The SMPS does not start...
View ArticleForum Post: RE: BQ2060 will not sync
Thanks Michael!We discussed the thresholds with the board manufacturer yesterday and they are investigating. Apparently there are multiple settings for this IC that must be manually chosen carefully,...
View ArticleForum Post: LM2940CSX-5.0/NOPB - TOP SIDE MARKING
Hello,Is there any way to check RoHS compliancy for this part no., from the top side marking?Any help would be appreciated.
View ArticleForum Post: BQ20z95 replace with BQ20z65
Hello,I am using BQ20z95 in a large scale and at this point it is not possible for me to go to another Circuit.So i need a favor from you.I need a Crystal Segment Display in Place of LED Display i...
View ArticleForum Post: RE: TPS54335 excel spread sheet calculation
there is no spreadsheet for it. It will be released in Webench within the next few days though.
View ArticleForum Post: RE: [LM723]: pSpice Model or Spice model
Ian,Sorry, there is no model for this part number.
View ArticleForum Post: RE: TPS826X output capacitor?
Florian OK that makes sense now. Thank you for your help,Chris
View ArticleForum Post: LMR14206
I have read the posts from Alex Chepyga and Anston Lobo and am having a similiar problem. Using the design reference per the specifications, on a bread board, tighly wired together, the part is...
View ArticleForum Post: LMR14206
I have read the posts from Alex Chepyga and Anston Lobo and am having a similiar problem. Using the design reference per the specifications, on a bread board, tighly wired together, the part is...
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