Forum Post: BQ34Z100 Reset command
Hi All,Im communicating with BQ34Z100 fuel gauge using host microcontroller. Can any body let me know when CSV bit will be set in control_status register. In what scenario host microcontroller has to...
View ArticleForum Post: Spice model for UC2835
Hello,I'm looking for a spice model of UC3825. Does anyone know where can i find it ?ThanksRomaric Decoularé Delafontaine
View ArticleForum Post: RE: TPS54318EVM transient response
I have taken some new waveforms.I will attach those.It takes about 200-300ms to recovery.In my test, electrical load current rise slew rate is slow. Is this influence to transient response?(Please...
View ArticleForum Post: RE: TPS3808 negative voltage monitor
Darwin-san,Thank you for your answer.I see SLVA600 first time. And I also found negative voltage monitor reference circuit in TPS3103 datasheet.I think this also work too.I ask my customer to do enough...
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Forum Post: RE: LMR14206 failure
1. There is no HV spikes on input2. Excuse me for my ignorance, but what is DAP? If you mean power pad under package, TSOT-6 doesn't have any.During my experiments I've killed like a dozen of LMR's,...
View ArticleForum Post: About TPS78833 Operation
Hello, Is TPS78833 operating as "ouput power enable status" when enable pin is used as floating status(disconneted status)?please let me know ASAP. thanks
View ArticleForum Post: RE: Need low noise inverting buck-boost for light to medium loads
Bump.Added info: the supply doesn't actually have to operate in CCM. It just has to not skip cycles. And I have the added constraint that the sync signal will not be present at initial power up.
View ArticleForum Post: RE: LP55231 looking for EVM SW - can find only the user guide on...
Hi Michael,I will send you an email on this.Thanks,Sami
View ArticleForum Post: RE: TPS40210 doesn't follow a cyclic load.(Again)
By the way, to minimize the dummy load consumption, do you know any general methods or value itself for TPS40210?If I define it by an experiment under certain condition, it may not be able to work well...
View ArticleForum Post: LM25574 sync duty cycle
The datasheet for the LM25574 shows the sync input signal as a pulse train. Is there a limitation on the duty cycle of the driving sync signal? Is there any problem driving the sync pin with a square...
View ArticleForum Post: BQ34Z100 Tbuserr
The Datasheet of the BQ34Z100 mentions on page 28 a Tbuserr.Does anybody know where I could find the specification how long Tbuserr is?Regards,Christian
View ArticleForum Post: LM2733 Operation at low output current
HiI need to operate the LM2733 at 0 to 3mA output current. The data sheet specifies that this would be in discontinuous mode. I see no impact on the stability of teh voltage level. Do you think it...
View ArticleForum Post: RE: Not Getting PWM pulses from TPS40054
Dear Mr. MC,Please try for the analog board. We really require it.Thank you.sharmila.
View ArticleForum Post: TPS92310 led driver application issue
I am building a led driver for 90V, 0.5A based on TI's chip TPS92310 for 230 Vac input line.The schematic used in basically the one found in the data sheet. The transformer is built on ferrite core E25...
View ArticleForum Post: will lm5069 support ISO7637-2 Pulses?
Hi Lisa, I have selected your LM5069 controller for automotive load dump protection as a front end of my DC-DC converter. We have to qualify the standard ISO7637-2...
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Forum Post: RE: TPS54318 PH pin overshoot
Even the extra inductance added by the plane/traces from the pins to the traces to the test point, and the long ground lead on the scope will still exaggerate the spike level seen. We're trying to...
View ArticleForum Post: RE: TPS56121 soft start function does not work
Before we reach that conclusion...Have you checked all of the solder connections? Is this happening on a single part/board or many?If you swap the parts between boards, does the issue track the IC or...
View ArticleForum Post: BQ24210 IN Parallel
1a) Hi, what happens if I connect more than one bq24210 chip in parallel to potentially increase current output?b)If the battery is removed, and is connected still to its parallel load as well as a...
View ArticleForum Post: RE: LM2587 Parallel Negative Output Flyback
Hi Gavin,Are you using this in an isolated or non isolated solution? Usually an LM431 is used for isolated applications. You can use a common ground and couple it to the input ground using a capacitor....
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