Overview
The FlyColor Raptor Mini Tower TR20 Stack is an advanced 20x20mm flight control and ESC system designed for high-performance FPV drones. It features the STM32F722 high-performance MCU and supports 3–6S LiPo batteries. This stack is available in two ESC configurations: 45A and 60A, with burst currents of 55A and 70A respectively for 10 seconds. Weighing only 23g, it integrates an F7 flight controller and 4-in-1 ESC, making it ideal for lightweight, high-thrust builds.
Key Features
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High-performance MCU: Equipped with STM32F722 Cortex MCU for powerful processing.
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Dual VTX & LED Pads: Convenient layout for flexible peripheral connections.
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PWM Frequency up to 128KHz: Ensures smooth and responsive throttle control.
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20x20mm Mounting Holes: Compact footprint saves space and supports tight builds.
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No BEC Design: Clean power setup compatible with external regulators.
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Lightweight Construction: Only 23g, perfect for agile FPV racers and freestyle drones.
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Anti-interference PCB: Precision circuit layout for stable flight performance.
Specifications
| Parameter | TR20 60A Version | TR20-45A Version |
|---|---|---|
| Battery Support | 3–6S LiPo | 3–6S LiPo |
| Continuous Current | 60A | 45A |
| Burst Current (10S) | 70A | 55A |
| BEC | No BEC | No BEC |
| Weight | 23g | 23g |
| Size | 44x36mm | 44x36mm |
| Firmware | Flycolor_Raptor_5 | Flycolor_Raptor_5 |
| Typical Application | FPV Drones | FPV Drones |
Additional Information
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Flight Controller Output (Vout): 3.3V / 5V / 9V selectable
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Mounting Holes: 20x20mm, M3
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Processor Frequency: Up to 64MHz (STM32G0), and up to 216MHz (STM32F722)
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Use Case: Freestyle and racing drones requiring compact yet robust electronics
Details


Raptor 5 Mini Tower: Multi-rotor flight control system with STM32G0 MCU, 64 MHz frequency, 128K PWM, dual VTX/LED pads for smooth operation and convenience.

FlyColor Raptor Mini Tower TR20 F722 has advanced circuitry and strong anti-interference.

FlyColor Raptor Mini Tower TR20 F722 with dual VTX pads for convenient selection.

Install holes 20*20mm, lightweight design, dual VTX pads for convenience, high-performance STM32F722 MCU. Compact, efficient FPV drone component.

FlyColor Raptor Mini Tower TR20 F722 supports 3-6S LiPo, 45A/60A continuous current, 55A/70A burst, 44x36mm size, 23g weight, with 3.3V/5V/9V outputs and M3 install holes.

FlyColor Raptor Mini Tower TR20 F722 45A 60A Stack offers high-performance MCU, Cortex STM32F722, for robust FPV drone flight control.

FlyColor Raptor Mini Tower TR20 and TR20-45A specifications for FPV drones. Models support 3-6S batteries. TR20 has a continuous current of 60A, burst current of 70A, while TR20-45A offers 45A and 55A respectively. Both weigh 23g, measure 44x36mm, and use Flycolor_Raptor_5 firmware. Neither includes BEC. Ideal for FPV applications, these stacks provide robust power management solutions for high-performance drones.
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