Re: Rebuild BM2 green...
Posted: 03 Feb 2016, 17:49
I don't suppose you know what MOSFETs they are, or have pics of the other side of the board showing them??
Powerchair, Mobility Vehicles & Disability Message Board
http://www.wheelchairdriver.com:80/board/
http://www.wheelchairdriver.com:80/board/viewtopic.php?f=2&t=5380
Burgerman wrote:To increase efficiency and allow lighter wiring and smaller motors/controllers most of the serious model helis are using lipo and 10 or 12S now. So are at 40 to 50 volts. As we should be!
Current technology
Burgerman wrote:Trans MOSFET N-CH 55V 85A 3-Pin(3+Tab) TO-220AB
Does it help?
Where is the sense resistor?
Burgerman wrote:http://www.eurotech.co.uk/dynamic/detail.php?part1=AUIRF2805&man=INTERNATIONAL+RECTIFIER
What about one of these?
Burgerman wrote:
Trans MOSFET N-CH 55V 85A 3-Pin(3+Tab) TO-220AB
Does it help?
Where is the sense resistor?
Burgerman wrote:Burgerman wrote:
Trans MOSFET N-CH 55V 85A 3-Pin(3+Tab) TO-220AB
Does it help?
Where is the sense resistor?
No, thats what it said on the 50A photo one!
steves1977uk wrote:Where would I find the MOSFET type? on the top side of it?
Steve
Burgerman wrote:No. Those just go to the relay. And that would do what the roboteq does and sense battery current?