Forum Post: RE: EV2400 / EV2300 compatibility and pricing
Thank you very much for your answers. For whatever reason, TI has changed the price back to $49 for the EV2400. It was $199 in the cart earlier the same day I posted my original questions. I've now...
View ArticleForum Post: RE: About TPS65090A DCDC1 and DCDC2 output issue-------very...
It seems that the DCDC1 and DCDC2 feedback haven't work. also the oscillator of switching was not the the right way.
View ArticleForum Post: RE: Questions for UCC2720x
Hi Atsushi,I do not understand what is the meaning of "They added harness between HB pin to the bypass capacitor".Can you give more explanation on that?2. If there is not the bypass capacitor (HB to HS...
View ArticleForum Post: Inquiry regarding ILIM setup on BQ51013BEVM-764
Hello, allNow we are evaluating BQ51013BEVM-764, then would like to know this setup for ILIM.Please refer to the item below, and feedback us with your comment.In case selecting ADJ on JP6, programming...
View ArticleForum Post: RE: Advanced BQMtester HPA495 TIbqMultiStationNB2.18Setup.exe...
no, the Problem occures on a Laptop with xp 32 bit. By intalling the win7 Driver from the thread, it worked.
View ArticleForum Post: RE: MC33063AQDRQ1 VIpk Current-limit sense voltage
Hello Mahmoud-san,I’m sorry that my late reply for your answer and I could not report customer’s request to you correctly.I report customer’s requests of MC33063-Q1 again as follows, so please advice...
View ArticleClik here to view.
Forum Post: RE: LM5030 non-isolated, multiple output, low noise, power supply...
Hello,after some time I returned to this design..I was able to get rid of the HF oscillations by removing C48 which effectively disconnects a long PCB trace which was led along the PCB to output...
View ArticleForum Post: BQ20Z75 Stopping charge too early
Our design uses the BQ20Z75 in a battery pack with 2s2p configuration of lithium ion cells, giving a nominal output voltage of 7.4V.This is connected to a Linear technology LTC4006 charge IC in our...
View ArticleForum Post: RE: LP8545 not powering up correctly?
Thanks Tomi,I do have the VSYNC pin tied to ground. The filter pin is tied to the filter circuit. Is it important that the filter pin be tied to ground as well? The datasheet says to let it float?Chris
View ArticleForum Post: RE: DC to DC Converter
MaciejKucia ,Yes.Only with 48V input I can get 200V @0.45A.Giora
View ArticleForum Post: RE: UCC28950 too short delay between OUTA and OUTB
Hi Yunsheng Qu,thanks for your suggestion. I have already read that APP note, and as mentioned I have set VADEL=0, and RDELAB=90kOhm. But, tABSET is still no more than 75ns.
View ArticleForum Post: RE: Lead acid battery charging
We do not really have something that fits all of your requirements so any solution will require external components to adapt the design to the IC. The voltage is higher than we typically design our...
View ArticleClik here to view.
Forum Post: EV2300
I used the EV2300 communication with the EVSW , but there is the problem : USB timeoutI have tried with two different computers,but there is also the same problem ,how can I solve it. Thanks!
View ArticleForum Post: RE: UCC28950 too short delay between OUTA and OUTB
Hi Yunsheng Qu,Thanks for your support. The delay time of OUTC and OUTD can be controlled better. I am able to increase the delay time here to some hundreds of ns. I have tried several different...
View ArticleForum Post: RE: TPS68402 Thermal pad
I'd also like to know if this pad can be connected to ground - can anyone who has used this chip or perhaps someone from TI comment?Much appreciated.
View ArticleForum Post: RE: BQ20Z75 Stopping charge too early
Hello Onyx,We have requested the unseal codes from the battery manufacturer, so we can look at all of the fail codes from the pack.We do already have a gg file which the manufacturer supplied, and is...
View ArticleForum Post: Thermal shutdown point of LM317
Hi,I'm using LM317MDCYRG3 (SOT-223), I'm looking for the Tj at which the device will thermally shutdown, tolerance or limits of that point, and the hysterisis of temperature at which the device will...
View ArticleForum Post: UCD90120A GPIO Short Circuit Current
Hi,I'm using a UCD90120A, and I'm looking for the short-circuit current for the GPIO pins. I can't see this on the datasheet (April 2011). Can you advise please?Also, are the GPIO pins rated for...
View ArticleForum Post: RE: 1500 watt Ac-Dc
You can use UCC28019A for PFC up to 2KW, and use The UCC28950 to do DC to DCI design 1KW Charger now .May up to 2KWEdward Wu
View Article