Forum Post: TLC5940 - The factory default EEPROM values, and how they relate...
Hello,I have several related questions regarding setting the Dot Correction (DC) registers.1. From the datasheet, I understand that the "default" DC values in the EEPROM are 3fh (all ones), for each of...
View ArticleForum Post: RE: LM3447 VCC Overvoltage Protection
Hi Mike,Right now I have a single 6V LED that I'm trying to run at 250mA, just to test out my board. I still have what looks like the same problem, so I'm wondering if 6V is still too low.Eventually I...
View ArticleForum Post: bq24170 / Vsw at input current DPM
Hi,I would like to know the changing of Vsw when the operation will be changed from normal operation to input current DPM mode. Is the waveform the same or changing? I do not find the waveform of Vsw...
View ArticleForum Post: RE: BQ24610
Hi,my customer wants an answer as soon as possible.I’m sorry to trouble you, but I would really appreciate it if you could confirm.I'm looking forward to hearing from you Regards,kanemaru
View ArticleForum Post: RE: Senc BQ20z80 and Golden Pack
CharlesYou have to send and SMB Command 08 to return the device to normal mode. Please refer to the Application Book available for download from the TI website. (search for SLUA404) Look on page...
View ArticleForum Post: TPS2231's recommended pin assignments on customer's board.
Please teach us pin placement of TPS2231.Even if a customer makes these pins an open on their board, is not there the problem?SYSRST#STBY#SHDN#Datasheet says "Internally pulled up to AUXIN".Therefore...
View ArticleForum Post: RE: TPS51518
Hi David,I am sorry, the max output voltage is 1.6V for TPS53624 which still could not meet your requirement. So it looks like we don't have any D-CAP dual phase controller fits your spec. I would like...
View ArticleForum Post: RE: USB-to-GPIO
The DLL extension file I downloaded from TI was ..... TIDP.SAA2.dll .... back in May 2012.It was part of TI's "Texas Instruments Fusion Digital Power Designer" .... aka "SMBus & I2C & SAA...
View ArticleForum Post: RE: bqEASY learning cycle step 1
i was looking in the forum for some support for my project and i just discover i never thanked you for your answer..I'm really sorry but i missed your post.thank you.
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Forum Post: RE: TPS55010 PH Node Overshoot
I have a falling edge that goes just below -2V for less than 5ns. The datasheet indicates -2V for 10ns maximum. Do I need to clamp this for long term reliability?Thanks.Dave
View ArticleForum Post: RE: bq34z110 and Peukert's effect (high discharge current)
Ian,The bq34z110 has current and temperature compensation that should compensate for the Peukert's effect.RegardsTom
View ArticleForum Post: RE: BQ27500 data flash issue
Hi i'm working with bq27500 EVM and EV2300.Unfortunately i upload the wrong .dfi on my IC and i burnt it.However i changed this IC with bq27500 v1.30 and i have of course to reprogramming and create a...
View ArticleForum Post: RE: PMP8803
Thank you Greenja for chiming in.Madhuri,We reviewed the design.1.1A is desired vs the 1A at 12V it was intended for.There will always be headroom already built into any design such as this.Input is...
View ArticleForum Post: RE: LM3642 / Slave address, Mode change
Hello Mike san, Thank you for the checking. Could I have the lead time, if you have any estimation ?And please kindly let me know the answer if you got one of the answer. Best Regards,Ryuji Asaka
View ArticleForum Post: TPS65072 -- backlight fails to turn back on after being powered off
I have the same Problem like this old post: http://e2e.ti.com/support/power_management/pmu/f/200/p/139079/519274.aspx#519274If I switch on the backlight driver all goes well, but if I switch off and on...
View ArticleForum Post: does SM72445 use ZVSCS?
Hello everybody!I am carrying out a project in which I have to develop a power optimizer for application in photovoltaics. I have purchased some SM72445 MPPT controllers and the evaluation board to...
View ArticleForum Post: RE: BQ27510-G2 Bqeasy battery settings
Hi,if you used a Li-Ion Polymer battery, the nominal is probably 3.7V ; I think you just need to use the value in the line "nominal voltage" on the datasheet. And after a full charge the battery...
View ArticleForum Post: RE: LM3404 Dimming Control
Hello Hide,The internal 5V at the DIM is basically there so that you don't need a pull up resistor and that it will keep the MOSFET on if input to the pin is lost. I'm not sure what you mean by "wrap...
View ArticleForum Post: RE: UCC28811 single stage LED driver input current noise spikes
I did some more testing.The original design has Rg = 22R, but its gate capacitance is twice the capacitance of the current FET. Therefore I changed the Rg to 47R. The result is that the switch-on now...
View ArticleForum Post: LM2267x as inverter - syncing it C-coupled
Hi,I have an application where I use the LM22670 as voltage inverter LM22670 Evaluation Board Inverting Topology and Application Notes (Rev. D).Now I want to synchronize it through the SYNC pin. The...
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