Insights Blog
-- Browse All Articles --
Physics Articles
Physics Tutorials
Physics Guides
Physics FAQ
Math Articles
Math Tutorials
Math Guides
Math FAQ
Education Articles
Education Guides
Bio/Chem Articles
Technology Guides
Computer Science Tutorials
Forums
General Engineering
Mechanical Engineering
Electrical Engineering
Aerospace Engineering
Nuclear Engineering
Materials Engineering
Trending
Featured Threads
Log in
Register
What's new
Search
Search
Search titles only
By:
General Engineering
Mechanical Engineering
Electrical Engineering
Aerospace Engineering
Nuclear Engineering
Materials Engineering
Menu
Log in
Register
Navigation
More options
Contact us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
Engineering
Electrical Engineering
Getting a High Speed Synchronous N-Channel MOSFET Driver working right
Reply to thread
Message
[QUOTE="Baluncore, post: 6900220, member: 447632"] Looking at your pictures, I assume the big electrolytic capacitor is a reservoir for the 24 volt MOSFET drain circuit. I see no bypass capacitors on the +5 volt Vcc near the gate driver. Maybe they are under the PCB? The gate driver will not work well without sufficient fast ceramic bypass capacitance. The inductance of the tracks will be too much when Vcc must provide about one amp for fast switching of the MOSFET gate capacitance. At high switch rates, you will need a significant Vcc supply. I would expect a solid ground plane under the PCB, near the gate driver IC, and the lower MOSFET source. Please provide a schematic that includes the supply bypass and reservoir capacitors. [/QUOTE]
Insert quotes…
Post reply
Forums
Engineering
Electrical Engineering
Getting a High Speed Synchronous N-Channel MOSFET Driver working right
Back
Top