Forum Post: bqEASY
I need a download link for the current version of bqEASY for the bq20zx70. I have the EV2300, but need a driver for Windows 8 and a current version of the application. if this is a purchase item, where...
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Forum Post: RE: UCC28251 current sharing
HelloI am going to use both UCC28251 and UCC27210 in a full-bridge converter circuit.the designed circuit is given in following. I test it but I didnt get result. Could you please look at thisand if...
View ArticleForum Post: ucd90160 always nack
i'm using lpc2378(arm7) to programming ucd90160 over i2c(pmbus),The PMBus PMBus_clk, data, is ok,alert: is high, cntrl is high, address is 0x68(52d),when sending slave address,always get nack.how to...
View ArticleForum Post: RE: EV2300 USB Driver for Windows 7 64 bit
Thanx for your support,but it still won't install this driver, i did execute the file and then when the wizard has finished it says: ready for use.but when i connect the ev2300 it still says unknown...
View ArticleForum Post: RE: Beaglebone based design: TPS65217b - not booting
Thanks for your comment.I removed those two components and checked PB_IN. Surprinsingly it shows 3.39 V (even though VDD_3V3A is low, checked). So this is leading me to think that maybe the...
View ArticleForum Post: BQ25504_ problem VBAT_OK signal
Hi,I have mounted a pcb with the bq25504 module and everything works fine except the VBAT_OK signal. I have attached the bat_ok signal to the enable pin of a tps78233 ldo. It is supposed that it should...
View ArticleForum Post: Regulated vs Unregulated, and voltage ripple
Hi,I need a isolated DC/DC for convert 24V to 5V with a great accuracy (is for analog measurement). My first question is: I must choose a regulated or unregulated converter? I selected the DCR022405....
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Forum Post: AC/DC converter
Hi,I like to supply my uC from 230V AC network like on schematic.Does Texas instruments have some IC AD/DC converter from 230V AC to 5 or 3.3 V DC?Or do you have some suggestion for how to do that and...
View ArticleForum Post: RE: Why an LED driver?
These have all been answered well, but I'll toss in my two cents on 3 and 4. I've been developing an LED lighting gadget, and I was quite surprised at the difference in Vf between LEDs that were the...
View ArticleForum Post: BQ27500 How to build bqfs to include dfi when I only have dffs
I have a dffs that was built a while ago and don't have the original dfi file. I know flashstream can combine a .senc with a .dfi to create a .bqfs but is there a way for me to combine the .senc or...
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Forum Post: RE: Beaglebone based design: TPS65217b - not booting
Hi again,After removing the BJT and the pull up resistor i kept doing test and I found something odd:After the removing the componentes, once i plugged the USB cable, the board didn't show any sign of...
View ArticleForum Post: RE: Can I connect two TPS devices in parallel ? (the output and...
Trevor, just FYI this thread was from 2010...
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Forum Post: The resistor value at the FOD pin --in BQ51013B
Hii have two questions about BQ51013B,1.how to select the resistor value for FOD pin ,the value in the datasheet is 188 ohm,can i use any other value ,such as 140 150 or any else?2.in the picture,how...
View ArticleForum Post: RE: unseal codes for BQ20Z70 from HP batteryes
Please, send me unseal codes for BQ20Z70 from HP batteryes E-mail: vasyjohn@yahoo.com
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Forum Post: RE: LM22670-5.0 FOR OUTPUTS HIGHER THAN 5V
Hi Ran,Here are the answers to your questions:1) The switching frequency will be commanded by the highest set regulator frequency: You need to select one of the regulators as the master clock. Please...
View ArticleForum Post: RE: Regulated vs Unregulated, and voltage ripple
Hi,First, thanks for your answer.I didn´t confuse the regulated with linear; I use the switching converter because the voltage difference of input and ouput is big; but, there are two types of isolated...
View ArticleForum Post: RE: LM2675MX-5.0 Voltage spiking when Vin 16.2V
Almost forgot, there is no load at this point, I have cut the trace after the inductor to isolate the 5V supply, when working correctly, I need to supply about 500mA
View ArticleForum Post: RE: HELP
Popy,The default unseal keys can be found in this document available on the TI website. (SLUA421A) If they do not work, then they have probably been changed by the pack manufacturer.RegardsTom
View ArticleForum Post: RE: bqEASY
Jerry,The bqEVSW setup program for the most recent release of the bq20z70 is available on the bq20z70EVM website. Unfortunately, Windows 8 is not supported by the EV2300 or EV2400 interface adapters.We...
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