Forum Post: RE: Identify a gas detector -detect Oxygen, Hydrogen Sulphide and...
We are using MultiRAE from Active environmental solutions for detecting multiple gases.
View ArticleForum Post: NEED INFORMATION- TPS3808G33DRVR
Hi Can you please provide the following information for the TPS3808G33DRVR Part ?1. Junction Temperature Max (Tj Max) 2. Typical Power dissipation (Pd typ)3. Maximum Power dissipation (Pd max)4....
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Forum Post: RE: LM5114 PSpice model does not work
I tested the model on a 16.3 version and it works, as you can see on attachment...the original model was developed in orcad 9.x or 10.x, can't remeber actually, so Orcad 16.x just "convert"...
View ArticleForum Post: RE: Inquiry regarding TPS40210 output accuracy on PMP4650...
Hello,In the PMP4650 the output voltage accuracy depends on the resistors of the voltage divider R16 and R23 plus the precision of the LTL431A; they are both 1% so, worst case, the total precision will...
View ArticleForum Post: RE: LM5046 irregular minimum duty cycle problem
Hi Mirko,Sorry to hear about problem with the LM5046.Is it possible that you could email me directly at johngriffin@ti.com so that I can fully understand the issue and get you the help you need...
View ArticleForum Post: RE: Tips for buying sunglasses for summer
I don't count Goody's as a true anchor. Rumor was that Dillard's was to move into the plot of land. I also seem to recall that Centerville was delayed in its opening and actually had construction...
View ArticleForum Post: Design assistance needed
Hi!,I am designing Boost converter with help of SLVA372B Application Report,i need complete design for an application.for example, i specified my all input parameters as follows,Vin(min)=8VVin (max) =...
View ArticleForum Post: BQ51013B
Hello,i have question about Device Self Declaration Form, in the form mention "Load during Ping Phase" need to fill out,i can't find relate data in datasheet, can anyone help me solve my...
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Forum Post: Current Fed Full-Bridge Isolated Boost Converter / Current Fed...
Hi TiI'm about to design a current fed full-bridge converterSpecs:Vin: 27V - 42VIin: 13AVout: 300V - 600V What i need is a pwm controller that is able to go above 50% duty cycle on all switches.The...
View ArticleForum Post: RE: UCC28061 OVP on HVSEN
Hi John,A review of the internals of the UCC28061 shows that the main answer is that the HVSEN reference tracks with VREF. Now, VREF has a +/-3% tolerance over the full temperature range and HVSEN is...
View ArticleForum Post: RE: LM3488 SEPIC current problem
Hello Tommy,Yes, there are two vias from the source FET to Sense resistor, I don't know why they don't appear.Thanks for the presentation, it has very good information and explanations about EMI. I...
View ArticleForum Post: TPS7A7100 current sensing
Hi, I'm looking to use the TPS7A7100 in a new design but I also need current sensing on the output. Is it feasable to place a current sense resistor in the output line and connect the FB pin to the...
View ArticleForum Post: RE: Combine 4 EVM together to obtain DC DC dual output PSU
This low noise/ripple power supply is required to feed an instrument prototype very sensitive to noise, so we're wondering if this 4EVMs combination could provide us a valid solution for this task.So...
View ArticleForum Post: BQ24165/6/7 Impact of driving IUSB[3..1] = "111" vs IUSB[3..1] =...
Hi,I'm interested in clarifying what appears to be some conflicting statements in the datasheet regarding the buck converter inside the BQ24165/6/7 battery charger (literature number: SLUSAP4B). On...
View ArticleForum Post: RE: problem with UCC3895
Finally I changed the control PCB and migrated to DSP based design and got rid of UCC3895!
View ArticleForum Post: RE: Can strings be shorted to increase LED current
Sorry but I'm still struggling with this :-) If all ILEDx are shorted, can I still program the device to give me different currents through each ILED connection? I actually suspect not because each...
View ArticleForum Post: USB BOOST CHARGER FOR 2S LI-ION/PO
Hi,our customer is looking for a USB to 2S Li-Ion/Po battery charger. As the USB voltage is 5V the voltage should be boosted to around 9V-10V in order to provide a charging voltage to the batteries....
View ArticleForum Post: LM5088 use for Vin=10~14V Vout= -50V 0.5A
(Please visit the site to view this file) Dear SirOur request is VinMin = 10.0V VinMax = 12.0V Vout = -50.0V Iout = 0.5AWe use WEBENCH to simulate schematic, WEBENCH suggest to use LM5088, the...
View ArticleForum Post: RE: LI- POLYMER CHARGER
Although not shown in the block diagram, Q1's body diode (not shown in the block diagram) blocks current from flowing from BAT through Q2 back to VIN when no input source is connected. Therefore...
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