HobbyWing XRotor 15A ESC with “OneShot” and Damped Light
Two weeks ago I posted an article about the XRotor 10A ESC, which I wanted to use for my next acro quadcopter. I wanted to download the English manual from the HobbyWing website and noticed these new XRotor 15A ESC. The XRotor 10A performs in my opinion great and HobbyWing claims the new XRotor 15A is even better than SimonK and BLHeli ESCs. I wanted to know what the difference is and asked the HobbyWing support team. This is the info that I got:
The XRotor 15A does not support signals with refresh rate up to 621Hz like the 10A version.
The XRotor 15A supports “OneShot” and “DEO” (its like Damped Light). The old 10A ESC doesn’t support these functions.
HobbyWing made some tests and claims that these new ESCs have better efficiency and lower working temperature. I decided to give these ESC a try and ordered four pieces.
The ESCs came extreme quickly from Hong Kong to Germany, only 10 days. Before I mount them on the quadcopter I wanted to know what’s under the heat shrink and removed it.
The ESCs are a bit bigger and heavier than the XRotor 10A. Unlike them these have longer motor cables and some other type of gold connectors.
On the front side you can find the MPS MP6530 Brushless DC Motor Pre-Driver. The MCU is not anymore the SiLabs F396, but a custom 32bit HW503 / 515AB MCU. The voltage regulator is 7805.
On the backside you can see the 30V rated IRFH8318 MOSFETs.
I have mounted the ESCs on my acro quadcopter and they perform very well. OneShot is activated and I have no sync issues with the T-Motor MN2206. Active breaking is good, but not great.
The ESCs are rated for max 3S. I have tested them successfully on 4S with no problems. They don’t get warm and I haven’t experienced sync issues. Made some flights with a 6S LiPo too, but sometimes I experience problems. Still not sure if it’s a sync issue or something else.
Update: I have found what have caused the problems. I have enabled the feature “Do not spin motors when armed” in Cleanflight. If I leave it disabled, I have absolutely no issues on 6S LiPo. Perfect response, no sync problems 🙂
I have tested the XRotor 15A on my motor thrust stand and here are the results:
T-Motor MN2206 2000kv – 6×4.5 propeller – 3S 1300mAh 45C Zippy battery
|50% Throttle||220g thrust||2.92A current|
|100% Throttle||704g thrust||14.75A current|
T-Motor MN2206 2000kv – 6×4.5 propeller – 4S 1300mAh 45-90C Nano-Tech
|50% Throttle||381g thrust||4.30A current|
|100% Throttle||1055g thrust||21.31A current|
T-Motor MN2206 2000kv – 6×4.5 propeller – 6S 1300mAh 45-90C Nano-Tech
|50% Throttle||637g thrust||6.59A current|
|100% Throttle||1600g thrust||33A current|