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Forum lipo battery charger
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Forum Thread Details
  • Replies 6 replies
  • Subscribers 286 subscribers
  • Views 2087 views
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  • lithium ion charger
  • lithium polymer battery
  • charger
Related

lipo battery charger

yinny1
yinny1 over 3 years ago

hi all i would like to build my own charger for a nominal 72v full charged 84v lipo pack but i would like it to be able to charge with up to 60 amp and i would like it to have the ability to have its amprage going out to be controled via a micro controler any help would be nice

i am thinking about a buck converter as the mane architecter but i cant seem to find a buck controler to do this task

i would also like it to oparate based on constent current constent voltage both being able to be set by the micro controler via a nextion display were i can also change some settings like

it would be nice to also have soafty features like over temp reduce output power as charger gets hotter short curcit protection over voltage protection over current protection over and under temp protection

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Top Replies

  • kkazem
    kkazem over 3 years ago +1
    I'm a professional power electronics engineer with 45 years experience and I can tell you this project will be no easy task. I'm not sure if you're planning on using a 230 VAC to say 100 VDC power supply…
Parents
  • dougw
    dougw over 3 years ago

    That will be a beast of a charger - over 5 KW.

    Even with an efficient power supply it will still have to dissipate over 500 Watts as heat.

    Be sure to factor in a big forced-air heatsink system.

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  • dougw
    dougw over 3 years ago

    That will be a beast of a charger - over 5 KW.

    Even with an efficient power supply it will still have to dissipate over 500 Watts as heat.

    Be sure to factor in a big forced-air heatsink system.

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  • yinny1
    yinny1 over 3 years ago in reply to dougw

    i have taken that in to consideration and i am going to use 9 pwm controled 40mm server class fans

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