Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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Forum Posts

L4946A gives good PFC in discontinuous mode?

Hi,We wish to do a Boost PFC with L4986A and a  30uH inductor.Power is 2200W and Mains is 85-265VAC.When the mains is at 240VAC,  the inductor current would be discontinuous for some 80% of the mains half cycle.Is this OK?Will the L4986A be able to c...

amass.9 by Associate II
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VNF1048F & VNF1248F SPI Communication without VS

Hello, We are developing a design around VNF1048F & VNF1248F products.  We are considering a multichannel design with different output settings. In a multichannel design, naturally we are expecting to have control and monitoring capability of individ...

zekasi by Associate
  • 113 Views
  • 0 replies
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VNF1248F & VNF1048F Functional Safety

Hello,We are developing a design around VNF1048F & VNF1248F products. From the other community posts, we learned that VNF1048F has ASIL - B for functional safety rating.We would like to confirm this information, and we also would like to know if VNF1...

zekasi by Associate
  • 133 Views
  • 0 replies
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L6494LDTR

Hello I am using the L6494(14PIN) as a driver for a high and low side FET in a half bridge arrangement. My DC volts can be anything from 120Vdc to 220Vdc. and current up to 17AIs there anyway to determine the breakdown mechanism if I do not momentari...

camabe by Associate
  • 1337 Views
  • 1 replies
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EVLVIPGAN65DF radiated EMI

EVLVIPGAN65DF application note states that the provided reference design is compliant with IEC55022 Class B conducted EMI. How about radiated EMI? Is there any measurement in this regard? 

Gaston by Senior
  • 352 Views
  • 4 replies
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Resolved! L6982CDR application problem.

Hi,We're encountering an issue with the L6982CDR buck converter in our application. Here's the detailed scenario: Configuation: We're using it to convert a 24V input to a 5V output to power the board. Load: The 5V output supplies a load current of ap...

PL3_1-1760668895581.png PL3_0-1760668869816.png
PL3 by Associate II
  • 1024 Views
  • 12 replies
  • 1 kudos

Resolved! ST Products website

I don't know what happened recently (or perhaps longer) with the ST website, but where can I find the ST products?

maniek by Associate III
  • 321 Views
  • 3 replies
  • 2 kudos

In need to replace a resistor diode

Greetings, I have being searching for this diode but I had no luck. Markings: BEX 6BA (SG)?)This is an electronic control module (ECM) 12v for an ATV 2007 Polaris 450. I am trying to fix it and I need help to buy this little piece. Any help will be a...

Diode.jpg
frwycop by Associate
  • 308 Views
  • 4 replies
  • 2 kudos