Myxa in the aluminum heat-sinking enclosure

Myxa

High-end PMSM/BLDC motor controller (FOC ESC) for light unmanned aircraft and watercraft.

Myxa is a high-end FOC ESC based on the Télega motor control technology.

Myxa is designed for use in propulsion systems of light unmanned aerial (UAV), underwater, and surface vehicles. The controller provides up to 850 W of continuous power output and supports a wide range of operating voltages 12–51 V (LiIon 4–12 S).

State-of-the-art vector control algorithms make Myxa one of the most energy-efficient ESC on the market. In the UAV field, the vector control technology is also known as field-oriented control, sine wave drive, or just FOC. Unlike other vector control solutions, Myxa is compatible with virtually any PMSM or BLDC motor, and is able to measure the parameters of the driven motor and automatically optimize itself for best performance.

Applications

  • Propeller and fan drives for light unmanned aerial vehicles (drones).
  • Pump and propeller drives for unmanned watercraft.
  • Fuel pump drives for jet engines and gas turbines.
  • CMG drives for LEO spacecraft.

Features

  • Based on the advanced Télega motor control technology.
  • Continuous power output up to 850 W.
  • Single supply voltage 12–51 V (Li-ion 4–12 S).
  • Rich set of communication interfaces:
    • CAN bus interface (connectors are compatible with UAVCAN and the Dronecode Autopilot Connector Standard). Myxa B offers a doubly-redundant CAN bus interface for mission-critical applications.
    • UART interface for control, management, and telemetry.
    • USB interface for control, management, and telemetry; driverless compatibility with GNU/Linux, Windows, Mac OS X. The connector type is USB Micro-B.
    • Industry-standard RC PWM input.
  • 5V BEC (battery elimination circuit) power output (Myxa B only).
  • Optional motor temperature measurement via external thermistor.
  • Connectors compatible with the Dronecode Autopilot Connector Standard.
  • Standard 3.5 mm bullet power connectors.
  • High quality assurance:
    • Every manufactured unit undergoes a rigorous automated testing procedure. The testing log for each produced unit is available on the web.
    • Protection against unlicensed (counterfeit) production by means of a digital signature installed on every manufactured unit.

Variants

Two types of Myxa are available:

  • Myxa A - optimized for cost-sensitive applications.
  • Myxa B - optimized for mission-critical applications.

Each type is available in several modifications which are reviewed in the table. Regardless of the chosen enclosure option, all versions of Myxa are conformal-coated, which provides resilience against moisture, aggressive chemicals, corrosion, and abrasion.

Variant Description Mass, g Dimensions, mm Rated power, W Redundant CAN BEC output Oper. temp, °C
Myxa A0 Board-level 26 55✕35✕19 400 -20 to 70
Myxa A1 Polyolefin envelope 27 55✕36✕20 400 -20 to 70
Myxa A2 Aluminum enclosure 55 57✕38✕24 850 -20 to 70
Myxa B0 Board-level 27 55✕35✕20 400 DMR 5 V, 250 mA -40 to 85
Myxa B1 Polyolefin envelope 28 55✕36✕21 400 DMR 5 V, 250 mA -40 to 85
Myxa B2 Aluminum enclosure 56 57✕38✕24 850 DMR 5 V, 250 mA -40 to 85

For low-volume orders, please proceed to the online store. For large orders and long-term supply options, please get in touch.

Evaluate your UAV application

Endurance with traditional BLDC drives min
Endurance achievable with Télega technology min

Provided estimates are based on laboratory tests. Real gains may vary.

Related announcements and discussions

Myxa A0 power limitation

Hi ! My company is designing a new UAV and we would be interested by using the Myxa A0 ESC. Our preliminary study show that we are going to use a motor with a maximum power of 500W and a power of 200W at hovering. We would like to use the Myxa A0 for a better integration but the Myxa product page s…

Updated propulsion kits

New optimized propulsion kits are now available. Check them out here: zubax.com Complete UAV powertrain solution from ESC to propeller (power system combo) -... Complete UAV powertrain solution from ESC to propeller (power system combo). A drone propulsion kit is an ass…

How to read the real-time electrical angle or mechanical angle?

As far as I know, to achieve field-oriented control of the motors, the Sapog/Télega has a good estimation of the shaft position. In the project I am working on, I need to know the real-time absolute shaft position. I am wondering whether Sapog/Télega provide an option to read the angle value. I cam…

Max RPM in RPM mode

Hi, I’m trying to reach high RPMs with the Myxa. My BLDC’s max theoretical RPM is around 10K. In current mode I can reach this theoretical RPM, but in RPM mode I can’t go past 6800 RPM. Why? Thanks Gad…

Query Measurements from Myxa

As mentioned by @pavel-kirienko in the Quick start guide, the phase current is largely unrelated to the DC link current. Since Myxa/Télega already has to measure the individual phase currents for the control algorithms, is there a way to query these (or an RMS value) over USB/UART/CAN?…

Starting with Myxa - Serial interface

Hi, I am starting with Myxa and following the guide for serial communication. When using Zucher.exe I can access the controller register. I can see on both Windows and Linux the port (COM or /dev/ttyASM0 according to the OS). But I don’t get any answer to “zubax_id” command. I’ve tried with putty…

Regenerative braking problems with Zubax Myxa

We have two Zubax Myxa controllers with Télega motor control which we were attempting to use for power generation with two connected MN3110-15 780kv Tiger Motors. We set one ESC with a fixed RPM and used the other ESC to provide extra driving torque by increasing its current, therefore creating a r…

Kucher v1.0 is released for Windows and GNU/Linux

Kucher v1.0 is finally released and available for download. Here are the direct download links: GNU/Linux: https://files.zubax.com/products/com.zubax.kucher/1.0.0/linux-x86_64/Kucher Windows: https://files.zubax.com/products/com.zubax.kucher/1.0.0/windows-10_64/Kucher.exe (designed to work with W…

Short coding example for serial interrogation of Myxa

Hi, we are integrating the Myxa in a “proof-of-concept-board” as we speak. I’d like to keep integration efforts low - at least until we know that everything works. So we’ll be using RCPWM to control the ESC and serial/UART interrogation to read out current, voltage, RPM, and possibly fault states. W…

Set parameters via UAVCAN

Is it possible to set parameters other than RPM via UAVCAN on the Myxa controller, or is it only possible via telega? If it is, how do I do it, and are all the required data types part of the public regulated data types?…

Resources

Purchase

Base technologies

UAV propulsion kits

Tuned and fully configured UAV power system combos are available for ordering.

Compliance

Myxa is manufactured by an ISO 9001:2008 certified vendor. Contact Zubax Robotics for information about quality and standard compliance.

Myxa B, bottom view
Myxa B, front view
Lightweight plastic enclosure with the top lid removed
Myxa evaluation kit
Kucher - a GUI tool for Telega