The CORVON 50A (model ESA-KS2034-A0) is a single brushless electronic speed controller — a new-generation three-phase BLDC drive solution for small UAVs. Built on a 32-bit Cortex-core MCU, it delivers ultra-fast response, high drive efficiency, and refined throttle linearity in a compact package as light as 6.5 g. High-frequency single PWM — versus traditional 8-bit designs — yields higher power efficiency and quieter motor operation. Hardware synchronous rectification, regenerative braking, and improved battery energy recovery combine with stall protection for stable, responsive control. Wide 4S–6S Li-ion / LiPo input with 50 A continuous and 80 A burst current suits medium-to-large long-range, heavy-lift, fixed-wing, and FPV platforms.
| Product Name | Brushless Electronic Speed Controller |
|---|---|
| Model | ESA-KS2034-A0 |
| Type | Single Brushless ESC |
| MCU | 32-bit Cortex-core |
| Drive Signal | PWM |
| Rated Input Voltage | 13 V – 25.2 V |
| Max. Input Voltage | 5 V – 28 V |
| Recommended Battery | 4S – 6S Li-ion |
| Continuous Current | 50 A |
| Burst Current | 80 A |
| BEC Output | None |
| Stall Protection | Supported |
| Cooling Method | Natural Convection |
| Protection Level | None |
| Operating Temp. | −10°C – 50°C |
| Operating Humidity | 10% – 95% RH, non-condensing |
| Storage Temp. | 25°C – 40°C |
| Max. Storage Temp. | −40°C – 70°C (requires vacuum sealing) |
| Storage Humidity | 10% – 90% RH, non-condensing |
| Dimensions | 34 × 20 × 6 mm |
| Weight | Approx. 6.5 g |
| Hardware Version | 1 |
| Software Version | 1 |
Thank you for choosing a CORVON product. Please read this disclaimer carefully — by using this product, you acknowledge and agree to the following: brushless power systems can be dangerous, and improper use may result in personal injury or equipment damage. Follow the installation and operation instructions carefully. Because we cannot control how this product is used, installed, or maintained, we accept no liability for any loss or damage arising from its use. Any unauthorized modifications are at your own risk.
Read this manual to understand all power configuration and flight parameters before powering the system. Installation requires soldering and wiring. Make sure all wires are properly insulated before connection to avoid short circuits. Use a soldering iron with adequate power to ensure solid joints — poor connections can cause loss of control or damage to your equipment.