Forum Post: LM5116 / LM5117 / LM5119 -- Which for high-amp, wide Vin range...
We have a difficult application for a buck converter and need some help choosing a controller. Our wish list is...- Vin = 19Vdc to 90Vdc (peak), ripple is approx. 5% of peak, with occasional drops to...
View ArticleForum Post: RE: LP2980IM5-3.3 Regulator clarification
Across the LP2980 input to output? BAT750 is more than adequate.
View ArticleForum Post: LM3409HV Evaluation Board
Hello,Would it be possible to post the Gerber files for the LM3409HV Evaluation Board?Thanks
View ArticleForum Post: RE: LP38692MP-3.3/NOPB pad specifications for 70 degC/W
I can not find any specific historical documentation for the origin of the 70 degC/W rating for the LP38692MP (SOT-223). My best guess is that this is with 1oz copper, all on one side of a two-layer...
View ArticleForum Post: LM317T MAX CURRENT WITH HI INPUT AND HI OUTPUT VOLTAGES
What is the maximum output current when there is high input and high output voltages?The PDF states; "Full output current not available at high input-output voltages"My project is LM317T 32vdc in,...
View ArticleForum Post: RE: LM317 MAX. CURRENT
Thanks for your fast response. I guess I have to do some design changes.Thanks againRon
View ArticleForum Post: RE: LM34910C output voltage problem
Hey Etienne, Looking at your layout, I think it can be improved. Attached is the sample layout of the LM34910. With a proper layout, a WEBENCH suggested BOM should work without any intervention....
View ArticleForum Post: RE: MC33063AQDRQ1 VIpk Current-limit sense voltage
Hello Mahmoud-san,Please kindly answer my question I posted on Jul 25.Beast Regards.
View ArticleForum Post: RE: LM22672, LM22680 EN pin voltage
Hello K.What's your input voltage when you measure 6.3V? The ENABLE pin of the LM2267x family gets pulled-up to the internal regulator voltage when this pin is left floating. Let me check with the...
View ArticleForum Post: RE: TPS61500 / Start up sequence with EN:Low
Hi Asaka,OK, so it seems like the EN has been low for a long time. Could you pls show me the waveform of SW pin so we both can see whether the IC has shut down or not.
View ArticleForum Post: RE: lcd
Dear Siri want to connect two Bq20z95 in a single circuit in series and on the same time i want Clock and data Communication from both PCB's at same Point. Is this possible ?? RegardsTanvi Verma
View ArticleForum Post: RE: BQ77910A recovery from OC (Over Current) and SCD (Short...
If you use polling you may induce errors. If your error is static, you can poll after the error to see what one(s). Reading may still induce a new error, but if the underlying error is repeatable,...
View ArticleForum Post: RE: LP2980IM5-3.3 Regulator clarification
Excellent!Again, thank you for all of your help.Best regards,Tim Anderson
View ArticleForum Post: RE: LM22672, LM22680 EN pin voltage
Hello K,According to our Design team, the EN pin gets pulled-up to the internal regulator to a voltage that can vary from 2.4V up to 4.5V, depending on the VIN condition. The AbsMax states that the...
View ArticleForum Post: LM3463 thermal foldback
Q1: Can the LM3463 interface with a thermistor to foldback the current if a temperature set point is exceeded?Q2: Can the LM3463 still function as a current regulator with thermal foldback if I don’t...
View ArticleForum Post: RE: BQ28Z560-R1 and External Thermistor Power-on
Aha! That makes more sense now. I was wondering why your boards didn't work if they were a replica of our EVMs. good find Eric!
View ArticleForum Post: RE: BQ51013B 15mm eval board
Hi, you can find the SCH, PCB and BOM in the User guide of this baord. ThanksTahar
View ArticleForum Post: RE: connection problem with bq500211A and BQ51050B. Maybe...
Ok, I'll change that. Thank you very much so far. Are there any other necessary changes regarding to the low-cost schematic of the datasheet?Manuel
View ArticleForum Post: UCD9248 synchronization to external clock source
Hi,I can't seem to find any information on the input frequency range for the SYNC input of the UCD9248.I'd like to synchonize multiple UCD9248's to a single clock frequency. What frequency range of the...
View ArticleForum Post: RE: BqGaugeStudio and BqCONFIG not worked with EV2300??
Jared,Good to hear from you, thanks for the reply.Is there any way to factory-reset or reflash the EV2300 boxes? Perhaps we changed the FW somehow in previous evaluation.Also - I am seeing some...
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