All Questions
6
questions
2
votes
1
answer
733
views
Constant Current of an XL4016 Buck Power Module [duplicate]
Hi have this buck converter
: Step Down Buck 9A 300W Converter 5-40V To 1.2-35V Power Module XL4016
I've done my research, read some posts and articles but I'm still quite confused, some say a ...
4
votes
1
answer
648
views
SMPS Constant Current Source only works with low resistance loads
I'm looking for any advice that can be given to solve this issue.
I followed the design idea from here: buck regulator to CC source and it appears to work pretty well until I started raising the load ...
- 8,061
1
vote
2
answers
324
views
MPPT Voltage compensation in current?
Suppose I have a 75w solar panel. At full sun shine it is giving 17 volts 4.41 Amperes 17 × 4.41 = 75 watt. My MPPT controller converts it to 12 volts and 6.25 Amperes 12 × 6.25 = 75 watt. ...
- 41
6
votes
3
answers
5k
views
Schematic for common buck/boost converter designs
Does anybody know the schematics of these common LM2596 buck converter with current adjustment and buck-boost converters from ebay?
I know I can easily buy it cheap but I like making my own modules ...
- 557
1
vote
1
answer
162
views
Buck controller MOSFET drive voltage
I am trying to design a switching regulator for LEDs, which uses the LM3405 as controller. This IC uses the BOOST pin to power the internal MOSFET driver, which controls an internal MOSFET. There are ...
- 1,305
7
votes
4
answers
6k
views
Why does this buck converter output such low current?
I'm making my first attempt at building a buck converter, as a constant-current supply for a 700ma LED, from a 5V or 12V supply. I have it working with the parts I had on hand, at about 88% ...
- 261