Hello,
I start this thread because i want to share my development with the community.
In 2008 i launch my project EV KTM.
The first shot was with an analog BMS HVC and LVC board. but this makes me not happy.
View attachment 5
2009 i began my own version of my bms based on LTC6802-1 with a complete solution for my drive propulsion system.
View attachment LTC6802-v2-sw.pdf
The controller for the system was an ATMEGA 128.
The atmega was to slow for all the function i want to integrate so i changed to an XMEGA 128 and this Chip is realy fine and quite f***ing fast.
View attachment 3
The hole system is described in the following document:
View attachment BlockDiagramEVKTM.pdf
The construction of the batterypack starts with a quick and dirty solution:
View attachment 12
After the first ride the bottom cell were smashed > so i have to do a new version
View attachment 11
With this Pack my wife has an crash and destroyed it and her knee > 2 months in the hospital
So lets do again and much better:
View attachment 10
Here is a picture of the mounted pack in the motorcycle:
I have read the thread of methods bms v4.0 and start to develop a new version with higher shunting current.
View attachment LTC6803_V2.pdf
at this point i am working on the new version.
bg
biggs
ps: all you need is insanity, richness of ideas, linux, kicad, freecad, draftsight, ltspice, Eclipse and AVR Plugins
I start this thread because i want to share my development with the community.
In 2008 i launch my project EV KTM.
The first shot was with an analog BMS HVC and LVC board. but this makes me not happy.
View attachment 5
2009 i began my own version of my bms based on LTC6802-1 with a complete solution for my drive propulsion system.
View attachment LTC6802-v2-sw.pdf
The controller for the system was an ATMEGA 128.
The atmega was to slow for all the function i want to integrate so i changed to an XMEGA 128 and this Chip is realy fine and quite f***ing fast.
View attachment 3
The hole system is described in the following document:
View attachment BlockDiagramEVKTM.pdf
The construction of the batterypack starts with a quick and dirty solution:
View attachment 12
After the first ride the bottom cell were smashed > so i have to do a new version
View attachment 11
With this Pack my wife has an crash and destroyed it and her knee > 2 months in the hospital
So lets do again and much better:
View attachment 10
Here is a picture of the mounted pack in the motorcycle:
I have read the thread of methods bms v4.0 and start to develop a new version with higher shunting current.
View attachment LTC6803_V2.pdf
at this point i am working on the new version.
bg
biggs
ps: all you need is insanity, richness of ideas, linux, kicad, freecad, draftsight, ltspice, Eclipse and AVR Plugins
