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[DavidC]

@DavidC

Also, I’m confused because I believed that phase filter chipsets can not undergo more than 75V what explained Trampa VESC 75/300 have phase shunts and Trampa VESC 100/250 have battery shunts.

I’ve found the anwers :

Go-FOC G300 100V 300A

The mk5 uses phase shunts, but phase filters can also be used on low side shunt designs. The Stormcore and SKP Solo both use phase filters with low side shunts. Phase filters - used for voltage sensing. Can be used on both phase and low side shunt designs Current filters - used for current sensing. Should only used on phase shunt designs.

VESC-Tool 6 release

Let’s stop using the phrase battery shunts. No VESCs use battery shunts. There are either phase shunts or low-side shunts. You can use either two or three phase or low side shunts. The low side shunts are between the low side mosfets and the ground of the systems phase shunts are on the output of the phase between the high and low side mosfets. So far there are no dual hardwares that use phase shunts that I am aware of. Only very recently did TI release a bidirectional phase shunt amplifier (in…

VESC-Tool 6 release

Phase shunts above 16S is difficult. 18S is about the max. Reason: The shunt amplifiers are not rated higher. INA240 can handle 18s but that is borderline and personally I would not operate it beyond 16S. That part is also unobtanium since ages. The only other alternative is the AD8418 and that part is also not easy to purchase in volumes. Each ESC needs 3 of these. So low side shunt designs are easier and cheaper to produce. There is more part availability and the parts are cheaper. For sHFI…