KISS ESC 24A Race Edition / Flyduino 32bit ESC - RC Groups
Thread Tools
Dec 04, 2015, 08:53 AM
Registered User
New Product

KISS ESC 24A Race Edition / Flyduino 32bit ESC


Hi,

we are proud to present the first member of our new next generation (32-bit) KISS ESC Series. the KISS24A Race Edition

after more then one year of development we will receive the first bach this month.
we will update this post when we got a exact date and price.

this time we managed to give it all it needs to be safe and smart. its main particularities are current measurement/current limiter, temperature protection and its telemetry capability.

we called it race edition, as we just used robust components and its rating (24A) is tested without much cooling (f.e. when mounted between two CF plates)


New Manual v1.2 for KISS ESC24A:
https://www.flyduino.net/ultraesc/do...al-v1.2-en.pdf

Contains some more info on how to flash the ESCs.






here some renders:




it can also be mounted on PDB's like this:


here its feature list:
  • 32-bit ARM Cortex MCU @48Mhz
  • Telemetry capability (voltage,current,temp,rpm)
  • Overcurrent protection (measures the current and reduces it to max 30A)
  • Overtemperature protection
  • expanded adaptive autotiming (3,25-30 advance will be calculated on each commutation)
  • for Race multicopters (24A continuous also with bad cooling *)
  • faster max rpm's (450.000erpm, 64.000rpm on a standard 14 magnetpole motor)
  • small size (19 x 27 mm)
  • acurate rpm controll (~ 950 steps)
  • ne additional capacitor needed**
  • very fast throttle response
  • active freewheeling
  • fast fet switching because of the use of gate drivers
  • 2-5S LiPo **
  • Oneshot42, Oneshot125 and normal (25 500Hz) PWM autodetected.

its telemetrie is sent via onewire to the FC. the KISS FC uses the 5V line of the servo connectior for this. heres a (bad) video that showes what could be possible with this telemetrie:
PICT0010 (3 min 0 sec)


AT = total current
KR = rpm*1000
co = mah consumption

it also supports a small CLI when connected to a USB Uart. like this some settings can be changed and the telemetrie can be viewed with a serial monitor.

heres a examle from the early testing phase:
KISS24A race edition first tests (14 min 12 sec)


first you can see and hear the motors, and then a screen record of the telemetrie in the same order.

Now at Flyduino http://flyduino.net/KISS-ESC-2-5S-24...s-motor-ctrl_1
22,90 (including german tax)


Detailed Build Log: Kinderkrams 1. KISS Racer

Flashing Kiss 24a race edition ESC's (5 min 59 sec)



Review of the KISS 24A re by Oscar Liang: http://blog.oscarliang.net/kiss-24a-esc-re/

SmokeStopper - How to build (3 min 25 sec)


regards

Felix
Last edited by flyduino; May 26, 2016 at 05:35 PM.
Sign up now
to remove ads between posts
Dec 04, 2015, 09:44 AM
z33
z33
Registered User
Subscribed!
Dec 04, 2015, 10:44 AM
Registered User
sz4dy's Avatar
Do they burn as good as previous ones for no reason?
Dec 04, 2015, 10:50 AM
Registered User
Quote:
Originally Posted by sz4dy
Do they burn as good as previous ones for no reason?
would it help you if i say no?

seriously everything can fail but this ESC's have a teperature and current protection. the fets are rated with 150A i dont think that there is much more possible to make it safe.


regards

Felix
Last edited by flyduino; Dec 05, 2015 at 05:33 AM.
Dec 04, 2015, 10:53 AM
OlliW
is this a F103, or F102 (the 48MHz puzzles me)?
Dec 04, 2015, 11:28 AM
I'd rather be flying
QuadMcFly's Avatar
That's some seriously impressive work! It answers a ton of issues with the current generation of ESCs. I'm very interested to see how these push the flight controller development forward.

One question, how many throttle steps does the Oneshot42 implementation have?
Dec 04, 2015, 11:29 AM
I'd rather be flying
QuadMcFly's Avatar
Quote:
Originally Posted by OlliW
is this a F103, or F102 (the 48MHz puzzles me)?
F103 and F102 are arbitrary classifications that apply only to STM line of 32bit micros. That's a pretty narrow subset. This could be entirely custom silicon, or could be from a different manufacturer.

Looking closely at the pictures though, that's clearly and ST chip on there. Who knows.
Last edited by QuadMcFly; Dec 04, 2015 at 11:37 AM.
Dec 04, 2015, 11:34 AM
Team AlienWarpSquad
Quote:
Originally Posted by flyduino
would it help you if i say no?

seriously everything can fail but this ESC's have a teperature and current protection. the fets are rated with 150A i dont think that there is much more possible to make it save.


regards

Felix
This looks to be the ESC I've been waiting for.

It does NOT matter of the MOSFETs are rated for 150Watts as they REQUIRE quite a large Heat Sink to run at that power (I do electronic design and know what th Data Sheet say about heat shink sizes).
This is where we have seen many ESCs Fail, The MOSFETs got so hot the solder holding them in place melted and then the very slight bump upon landing and the MOSFETs moved on the PCB causeing Shorts which then burned the ESC and motor.
Over Temperature detection Should now prevent this solder melting issue.
Over Current detection and Limiting is also a good thing and should help.

FYI Felix:
the word you need to use is SAFE not SAVE.
"make it safe" not "make it save."
Dec 04, 2015, 11:35 AM
OlliW
Quote:
Originally Posted by quadmcfly
f103 and f102 are arbitrary classifications that apply only to stm line of 32bit micros. That's a pretty narrow subset. This could be entirely custom silicon, or could be from a different manufacturer.
lol
Dec 04, 2015, 11:38 AM
I'd rather be flying
QuadMcFly's Avatar
Quote:
Originally Posted by OlliW
lol
------
Quote:
Originally Posted by QuadMcFly
Looking closely at the pictures though, that's clearly and ST chip on there. Who knows.
Dec 04, 2015, 11:41 AM
Team AlienWarpSquad
Quote:
Originally Posted by QuadMcFly
Looking closely at the pictures though, that's clearly and ST chip on there. Who knows.
Yea, and Who Cares which processor they use.
The firmware is not flashable or open source.
Dec 04, 2015, 11:43 AM
I'd rather be flying
QuadMcFly's Avatar
Quote:
Originally Posted by waltr
Yea, and Who Cares which processor they use.
The firmware is not flashable or open source.
Yeah, interesting spec wise though. As are the FETs and other supporting hardware.
Dec 04, 2015, 11:48 AM
OlliW
oh, a bunch of really smart guys here
sure, only the stupid would be able to write and flash their own firmware and thus would care about the processor, I agree
sorry for interrupting the party
cheers
Dec 04, 2015, 12:33 PM
Team WarpSquad
Phoboss's Avatar
Felix, may I suggest one thing, if someone wanted to design a frame around this PDB, it would be nearly impossible without any mounting holes at the edges of the PDB. Is there a possibility to make it a little bit longer and add them to the design?

Some info on the protocols (oneshot42 and telemetry) would be useful as well.
Dec 04, 2015, 12:54 PM
I'd rather be flying
QuadMcFly's Avatar
Quote:
Originally Posted by OlliW
oh, a bunch of really smart guys here
sure, only the stupid would be able to write and flash their own firmware and thus would care about the processor, I agree
sorry for interrupting the party
cheers
I think you're reading a bit much into what is being said here. Open source firmware for these would be welcomed by the community if possible. Most likely though the flash on this chip will be write locked as well as read locked, if the past has shown us anything, so that kind of makes it a null point.


Thread Tools