Forum Post: RE: LM2842 FB voltage not building up for LED driver application
Hello Sridhar,Would you please send some more information regarding the problem?1) What is the input voltage range and the forward voltage on the LED? What version of LM2842 are you using (X or Y)?2)...
View ArticleForum Post: RE: 110~285VAC to 9VDC 2000mA LED power supply.
Hi Bhavesh,I am Yoesh Suryawanshi Field Application engineer from Avnet india Pvt ltd.,We offer different solution & Gerber file as per your requirements from Avnet desing Services.click on below...
View ArticleForum Post: BQ80XRW control
Could some one provide a sample source code for EV2300 control under VC ,thanks a lot
View ArticleForum Post: TPS54620 EN pin internal pull-up current source
Is the power source the VIN for EN pin internal pull-up current source ?What voltage does the EN pin rise to by internal pull-up current source?Not characterized value is OK. I want to know approximate...
View ArticleForum Post: RE: BQ3050 Behaviour&Settings
Thomas,I'm out of the office until Monday but I will give you a log of charge / discharge cycle as soon as possible.Considering the gg file, I changed:three cells configuration to four cells...
View ArticleForum Post: tps65217B PMIC start up problem
Hi,We are using tps65217B PMIC for powering a custom board based on AM3359 (We used Beaglebone as a reference ). The design is not battery powered. The problem is after connecting 5V to the AC,...
View ArticleForum Post: RE: Problems accessing the BQ34Z110EVM Module RAM even with FAS...
Hi Tom,Where do I find the default senc file??I noticed that when I unzipped the BQ evaluation software it contained a SENC files folder but it was empty.I have extracted the .GG file and presumably I...
View ArticleForum Post: RE: bq2000 charging issues
Eric,Did you solve your problem? I have designed a similar circuit and could offer my thoughts if still needed. Regards, Phil
View ArticleForum Post: RE: Problem with LM3478 in SEPIC configuration in low voltages
Dear Akshay,Thank you very much for your valuable and helpful remarks. I will implement all of them within next days and keep you informed. As I will change the PCB layout, I have some questions (the...
View ArticleForum Post: BQ2004h TM1, TM2 & trickle charge
BQ2004h datasheet states "Both pulse trickle & top-off may be disabled by tying TM1 & TM2 to Vss . . . . . "My question is: When TM1 & TM2 are connected to Vss, are both charge-pending and...
View ArticleForum Post: RE: Gauge Studio
Hi Martin,I´ve got the same problem. I use also EV2300-002. When I connect the interface without gauge to the program "gauge studio" show EV2300a is connected. When I connect the gauge over I²C, the...
View ArticleForum Post: Vcc Voltage Error
I am working on BQ20z95 high Amp. Circuit (40-60) amp. I am facing some problem when load ( discharge) of app.15 amp. applied to the circuit its reg. pin voltage i.e 2.5 volt gets increase upto 3.3...
View ArticleForum Post: RE: -15V output not working in TPS65131RGET
Hi,I have attached layout of Top layer, second layer, seventh layer and bottom layer (eighth layer) for your reference.And also I have probed the output signal waveform, switching waveform, feedback...
View ArticleForum Post: RE: TPS57112q1 (=TPS54218): how to accelerate the controller...
Ok, the two files you show are not strictly "load regulation" but rather "load step transient response". They are two separate specifications. Load regulation concerns change in DC output voltage...
View ArticleForum Post: RE: LM2623 Voltage Ripple
Hi Daniel,To verify this behavior, I am currently building a board in the lab to test for the conditions you mentioned [Vin=3.4V, Vout=5V @.52A]. Considering this as a gated oscillator part, that...
View ArticleForum Post: RE: TPS51200 DDR3 max module supported
More information can be found on the Micron website, for determining DDRx power.A DDR3 specifica app note is:...
View ArticleForum Post: RE: TPS54620 EN pin internal pull-up current source
If no one answers this by tomorrow I will look into it.
View ArticleForum Post: RE: Controller Selection
Hi Guys,I am still doing the background reading that I feel I need to do before I start my paper and pen design of my converter. In the meantime, I have one quick question. In some of the boost...
View ArticleForum Post: RE: LM26003 Eval Size
Hi David,The eval board solution size is approximately 4.4cm x 4.4cm.Thanks,Anston
View ArticleForum Post: RE: FC bit clears during 2 hr Charge Relaxation phase
Hi, the capacity is 350mAHr and the manufacture specs 20mA taper for full charge. Previously i was using a different chemistry id which is why it didn't work. Then i used default chemistry and the FC...
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