richmpdx said:
I am using the Grin Cyclery (aka ebikes.ca) 24-48V, 20A controller. So it is their variation of the Infineon controller and should support PAS, I just didn't take the time time to figure out how to set it up. I liked the PAS that came with the original setup of the Torq, I think it is quite convenient. Please post if you set up the PAS, I may give it a try. The replacement controller mounted in the same place as the original Ezee controller.
Rich
It's nice to know an Infineon controller with fit in the same place as the Ezee one. I'm still waiting for my controller to arrive so it will be a while before I will be able to try PAS, but it would be nice to keep it if possible. I think I may order a twist or trigger throttle for the Infineon controller, as the current knob throttle may be a little odd if I don't get working PAS.
SamTexas said:
dnmun said:
if you order a 48V controller then the LVC of the controller will shut off the motor when the pack is drawn down to about 40.5V.
Not always though. It varies from one controller to another. I have a 48V, 35A controller from ebikes.ca and the lvc is 27V.
I understand that some of these Infineon controllers are reprogrammable? I guess this would then allow me to adjust the LVC? If not 40.5v would be ok, as long as the voltage sag from my pack didn't hit this voltage. Even so with a 12s pack that's around 3.3v per cell so my 18650's would be pretty drained by that point anyway.
Today I tried and failed to fix my current Ezee controller, as it used to work fine with my 10S pack until I tried to mount it with the wrong bolts.
Now that I eventually have it apart I can also check the capacitors, mosfets, etc. also. Here's a photo of the top of the PCB, click on it for higher res:
C37 - The big tank cap in the top right is 63v 470uF
C27 C28 C29 - The smaller caps below the FET's are 50v 10uF - these can be easily swapped out for 63v versions.
C38 - The capacitor by the power wires is 63v 47uF
C25 - The capacitor to the right of R30 and R31 is 25v 47uF. However it has +15v written on the PCB above it.
C12 - The bottom left capacitor behind the blue wires is 25v 10uf
C15 - The bottom right capacitor behind the yellow and res wires is 25v 10uf
Also, the FETs are STP75NF75, they're rated for 75v, so no worries there. There is also a microcontroller at the bottom, PIC16F73, which I guess contains the high voltage cutoff settings. Reprogramming it is beyond me, but I may see what voltages are on the 3 analogue input pins while the unit is on, as I'm sure it must go thru a resistor or two.
Here's what using the wrong mounting bolts did to the PCB:
A track is broken on the bottom left, I can bridge this with some wire, and the PCB is also cracked on the right here the FETs are mounted. Now even though it's cracked, the tracks seem ok, but I'm going to try and add some wire to that thin track between the phase wire holes.
Hopefully if I can get this working again with my 10S pack I'll then have another go at trying to raise the high voltage cutoff.