FPV Electronics > ESC (Electronic Speed Controllers)
Industrial-grade 6-axis electronic speed controller designed for heavy-lift drones and high-performance UAVs, featuring the AT32F421K8U7 Cortex-M4 MCU with advanced power management capabilities.
| Parameter | Specification |
| MCU | AT32F421K8U7 (120MHz Cortex-M4) |
| Continuous Current | 150A/channel (6× parallel) |
| Peak Current | 200A/channel (5sec) |
| Input Voltage | 3-8S (12.6-33.6V) |
| Control Frequency | Up to 48kHz |
| Dimensions | 85×52×15mm |
| Weight | 45g |
• MOSFET Array: 36x SQJQ402E Automotive N-Channel 40 V (D-S) 175 °C MOSFET 1.7mΩ
• Capacitance: 46×220μF X7R ceramic + 1×1000μF Aluminum Electrolytic Capacitor
• Current Sensing: 6-shunt isolated sensing (±0.5% accuracy)
• Hardware Accelerators:
• 6x PWM control inputs
• 1x PWM data return
• Hardware overcurrent comparators
• Update Rate: 64kHz signal processing
• Integrated copper baseplate
• Temperature monitoring on all power stages
| Feature | Implementation |
| Base Firmware | AM32_AORC_K_A_F421.hex |
| Startup Algorithms | Adaptive ramp-up for heavy propellers |
| Telemetry | Supports two-way DSHOT |
| Diagnostics | Stall protection, high temperature protection. |
