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Forum Post: RE: LM3463 thermal foldback
Hello Tom,Figure 18 in the data sheet shows the linear current regulator.Knowing the method of using the IOUTADJ function from the datasheet details, it is possible to vary the divider voltage based on...
View ArticleForum Post: RE: BQ24630 - Low vbat current while charging depending on voltage
Hi,Still not sure what is going on with the above... I've tried different current limitations on the resistor divider sets and they all behave the same.While changing resistors to different current...
View ArticleForum Post: RE: D0178 Certification
Hi George, The bq34z110 (and all out gas gauge devices) were not defined or developed with DO178 in mind so the relevant documentation requirements with the detail required are not available. Best...
View ArticleForum Post: Shopping cart quantity won't change for PTH08080WAZ
When i try to change the the shopping kart quantity the item remains 0. I have finished the sample request reregistration. Can someone help me with this?
View ArticleForum Post: UCD3138CC64EVM-030 UCD3138source code
Hello, Please let somebody help me. we recently purchased UCD3138CC64EVM-030 ,but could not found CCS source code? Can anyone provide some source code ? Thank you. liangtufu@gmail.com
View ArticleForum Post: tps28226 drives mosfeet
I'm planing to use tps28225/6 to drive two mosfets(IRF540 OR IRF740) to form a half bridge inverter in my wireless power design. Since the system is required to run at 1-2MHz. The schematic is simple...
View ArticleForum Post: RE: TPS7A8001 / resonant point
Hello Kartik san,Thank you very much for the information.Could you please tell me about little more ? 1) meaning of worst case process ?2) measurement circuit (EVM circut ?) Best Regards,Ryuji Asaka
View ArticleForum Post: RE: TPS5430DDA transient response
Hi john!can you upload the average model of TPS5430DDA once!I will download it as soon as I get the email notification.regardsBishnu
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Forum Post: RE: TPS73101/Accuracy of TJ = -40 ℃ to125 ℃
Ryan-san,Thank you for your information.Do youbecome theaccuracyofVoutiftaking into account theaccuracyof the variable resistortothe1%?1% (accuracy)Is itvaluein consideration of theInternal...
View ArticleForum Post: LM5119: Adapting PMP7819 reference design for lower Vin?
We have an application for a 16V-60Vin, 14Vout @ 1A-30A regulator.The 400W 33V-60Vin 12Vout reference design for the LM5119, PMP7819, looks good but we'd like to lower the Vin-min value to 19V or less,...
View ArticleForum Post: bq24450
Hi,I am doing project on solar powered LED driver. I want to use bq24450 for charging the battery. I want to use 12V, 48Ah battery and charge the battery with 4A bulk charge. I require EVALUATION...
View ArticleForum Post: RE: LM20133MH 5V to 4V DC-DC Converter Oscillates when starting...
I have tried reducing the output inductor value and this eliminates the oscillation problem into full load. However, the output switching noise is much higher (on the order of 400 mV p-p with Lout =...
View ArticleForum Post: RE: LM3463 thermal foldback
Thanks for the reply. Will the LM3464 also function without Dynamic Headroom Control as the LM3463?
View ArticleForum Post: RE: TPS84A20_Mechanical Details insufficient
This is being worked on. Sorry for the delay.
View ArticleForum Post: BQ34z100EVM
Hi,I purchased a bq34z100evm module to read the battery parameters. I am interested to understand the discharge current, voltage profile of the battery over time. I wanted to take a plot of discharge...
View ArticleForum Post: RE: LM5117 high side does not switch
HiLow side driver does not turn on when the high side driver turns on. If both turn on at the same time, probably a shoot-through damaged your MOSFETsPlease check your layout or see if any...
View ArticleForum Post: RE: BQ34Z100 GG Mode Error
Hi Tom,I'm having some more issues with calibrating the pack current. I connected a load from Pack+ to Pack- and entered the actual discharge current which was only -20mA. When I try to calibrate I...
View ArticleForum Post: RE: LM5119: Adapting PMP7819 reference design for lower Vin?
Hello,Our output voltage is 14V but I think I understand what calculation I need to do now.Using D = Vout / Vin = 14 / 16 = 0.875 (approx.)At Fsw = 100kHz, the period is 10uS so we have 10uS - (0.875 x...
View ArticleForum Post: RE: LP38511 unity gain cross over frequency
Hello Donald san, Could I have the unity gain cross over frequency and circuitly for the unity gain cross over frequency? I can't understood why we must set Fzero between 20kHz ~ 40kHz due to there is...
View ArticleForum Post: The solution of the Audible noise for LM3492HC
I would like to confirm the solution od the Audible noise for LM3492HC.In the datasheet page1, there is the comment of the audible noise "The application circuit is stable with ceramic cpacitor -...
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