Forum Post: RE: Question for TPS79801-Q1 and TPS79850-Q1
Hello Kartik-san,Thank you for your answer.1) I want to confirm that you say "Absolute Maximum Ratings of SENSE terminal is 28V" (force 28V on SENSE terminal is no problem).2) Please let me known the...
View ArticleForum Post: RE: Question about TPS54225 Startup
Hello John-san,Thank you for your answer.I understand that PG is enabled after 1.7 x the soft-start time from output start to rise.Please answer my Q2 (delay from EN=High to Output start to rise).Best...
View ArticleForum Post: RE: BQ24105 Charge Termination
Terminatin and Safety timer are for two different purposes.IF the TTC pin is fixed at any voltage it does not charge up and down for the counter to count and can't time out, which disables the safety...
View ArticleForum Post: BQ24192: How to design SYS Voltage level?
In our design, we are using BQ24192 as the battery charging IC. I cant find any information about setting the SYS voltage to 3.7V in the datasheet. Please help me out..
View ArticleForum Post: RE: Power over Ethernet - Need 25.5W
Here's a presentation on POE > 25 W that may provide more insight on this device and others, topologies and schematics.
View ArticleForum Post: TPS61092 save mode problem
we are using TPS61092 in our charger board, when the "en" pin low,we hope the save mode work, it is not, who can tell me why it is?thanks!
View ArticleForum Post: Lithium battery charging with Qi
Hello,I have been experimenting with the bqTESLA evaluation kit (bq500210EVM and bq51013EVM) for a while now and finally ordered a lithium ion charger evaluation board (bq24172EVM) to charge a battery....
View ArticleForum Post: RE: BQ24292i: BATFET behavior in low battery
The charger mode and boost mode are two totally different functions done a different times.Charge mode is putting charge into the battery and maybe also running a system load.Boost mode is that you...
View ArticleForum Post: RE: TPS71710 Overvoltage at startup
Hello,To prevent the overvoltage at start up for this part I would advise either enabling the part after Vin or to increase the ramp rate of Vin at startup. Please let me know if this does not solve...
View ArticleForum Post: RE: BQ27410 SOC/RM values
Hello Kang Kang,Thanks for the hint - yes, BAT_DET is set. Our current observation show that this bug seems to be closely related to this bug:...
View ArticleForum Post: RE: Increasing PG trip threshold on TPS7A16
Hi Robb, TI does not have a part with a more accurate PG pin at this time. I would advise looking at this application note: http://www.ti.com/litv/pdf/slva534 It gives instructions on how to use one of...
View ArticleForum Post: RE: Can the UCC28950 be scaled to a 6kW supply?
Dear Ed,I'm not gettingput inshare2 power2KWsyncwiththe secondary(UCC28950).I can notsharetheworkbecause I'mworking50V/20Aoutput.I have questionsin the calculationof the resistorsto set the gaindue...
View ArticleForum Post: RE: Problem creating golden file.....BQ27510_V1.11...I try since...
Matthias,Thank you so much for the update. I am glad to hear that you succeeded in making it work. Good luck in your new adventures :-)Stefani
View ArticleForum Post: RE: TPS84610
Yes, introducing the inductance in the feedback path can lead to instability.
View ArticleForum Post: RE: Cannot shut down LP2951 with microcontroller
I'm scratching my head as well.Typical Shutdown threshold should be in the vicinity of 1.2V to 1.3V.
View ArticleForum Post: RE: BQ24160 - D+/- input pin behaviour
We’re seeing some odd behavior when using the BQ24160.1. Plug in 5V to BQ24160 USB2. BQ24160 performs bad source detection, sees that the source is good3. BQ24160 starts the buck converter and...
View ArticleForum Post: RE: EV2300 USB Driver for Windows 7 64 bit
ps download from the link belowhttp://e2e.ti.com/support/power_management/battery_management/m/videos__files/458983.aspx thanksOnyx
View ArticleForum Post: RE: Error Reading with TLC5917
Marc,Sorry for the delayed response. We are looking at this now. I am using an old engineering board and have shown the correct response, but also the incorrect response. I will send more details...
View ArticleForum Post: RE: SAFE pin output voltage on BQ20z65
Hi Christopher,I believe Vreg2.5 -0.6 is the correct valuethanksOnyx
View Article