Forum Post: RE: Can the UCC28950 be scaled to a 6kW supply?
Can you comment on the "load sharing" case and the potential problems you outlined in your post in a dual phase system, ie where two stages operating out of phase, each with synchronous output stages,...
View ArticleForum Post: RE: TPS40200 Must keep output switching off using SS Pin until 30...
Hello Anthony,I agree it looks like the transistor circuit is not holding the SS pin below 100 mV until VDD reaches the threshold like it should. Perhaps this is because the transistor circuit is power...
View ArticleForum Post: RE: How do I operate a momentary 500mA current using PWM and...
Hi enbar vodevoz,I think what you want to know is the dimming function of this device. There're three ways for dimming. If you want to use the PWM dimming, you can apply a PWM signal to SEL pin.The...
View ArticleForum Post: RE: LM5017 burns out on start up.
Hello Ronald,Can you please upload the schematic. I don't see any schematic here.Regards,Sourav
View ArticleForum Post: RE: MC33063AQDRQ1 VIpk Current-limit sense voltage
Hello Mahmoud-san,Thank you for your answerQ1: Test No. 3,4,5,6,7(ICHG,IDISCHG,ICHG/IDISCHG)Your answer was Vcc is 5V and 40V.Please advice Vcc voltage for each Test No.Answer: I' m not sure but data...
View ArticleForum Post: UCD3138 'S EVM source code
Hi,Please can somebody help me.we recently purchased UCD3138PFCEVM-026, UCD3138LLCEVM-028. but could not found CCS source code?Can anyone provide some source code ? Thank you. hu_019@163.comHugh
View ArticleForum Post: RE: BQ34Z100 - bqEval Software - remaining capacity/full charge...
CrisYou can go to the Data Flash screen, press the Read All button, go to the File pull-down menu and export the gg file.RegardsTom
View ArticleForum Post: RE: Not Getting PWM pulses from TPS40054
Hi Mr. MC,I just did the following experiments to check where is the problem.when I connected just Vin pin of TPS40054 to the solar panel and not the power ciruit IC is working PWM pulses are coming....
View ArticleForum Post: Multiphase converter using UCD9224 and UCD74111 :Issues
HiWe are facing some problems with our multi phase converter using UCD9224 and UCD74111. Please answer my queries below:The specs of the converter are : . 12V to 1V @ 48 A (SoC requires only 40A), 4...
View ArticleForum Post: BQxxxxx generic principle question - why low side MOSFET?
Hi!I look on LiPo charging reference schematics and cannot understand why there is a low side MOSFET needed. For example http://www.ti.com/lit/ug/sluu447a/sluu447a.pdf Q1 and Q3 are obvious, they do...
View ArticleForum Post: DC to DC 10A Switching Regulator
Would appreciate suggestion regarding a replacement IC for my L4970A 10A Switching Regulator.
View ArticleForum Post: RE: BQ51013B 15mm eval board
Hi Vitor, That is not a released board. Please contact the TI local Sales team to help get the documents. Thanks!Tahar
View ArticleForum Post: BQ34Z100 SoC dropping to zero below 15C
I have a a BQ34Z100 connected to a single cell LiFePO 26650 using chem type 420. If the ambient temperature drops below approximately 15C the SoC drops to zero. Once the temperature returns above 20C...
View ArticleForum Post: bq25504: using Vbat to provide V_in to run below cold-start minimum
We'd like to use a bq25504 with a single PV that provides a voltage well below the cold-start minimum of 330mV, in low light.I gather that we could use the battery voltage (once the batteryt is...
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Forum Post: LM5117 high side does not switch
I am using an LM5117 to convert 25V to 16V. I have verified 25V at Vin, 3.3V at UVLO (through divider network), Vcc is 7.6V. VCC-DIS is low. When I apply 25V to Vin, I can see the LO output...
View ArticleForum Post: RE: BqGaugeStudio and BqCONFIG not worked with EV2300??
Thanks Jared.I notice there is an unpopulated 10-pin connector on the bq27531EVM that looks like it could be for the gray TI USB Interface Adapter box. Is this an alternative way of talking with the...
View ArticleForum Post: RE: Where is the bq27531-G1 Technical Reference Manual?
Chase, thanks a ton!
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Forum Post: RE: Trimming the LMZ22003
Hello Amy, EN55022 has both radiated and conducted.The AN-2125 shows conducted and radiated scans of the LMZ22 LMZ23 EVM.PCB layout and mechanical enclosure really determine the radiated profile in the...
View ArticleForum Post: RE: TPS62110 sync pin
Hello,Does it matter if the SYNC pin is tied high or low if the SYNC pin is always driven with 1 MHz clock? Or, is it still required to tie the SYNC pin either high or low even though the clock is...
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