Power Electronics Overview
VectorTechnics Power Electronics lineup includes high-current Power Distribution Boards (PDBs) and precision-regulated Battery Eliminator Circuits (BECs) engineered for medium- to heavy-lift UAV platforms.
This page provides a consolidated technical overview of:
These components are designed to ensure stable voltage regulation, high-current handling capability, and mission-critical electrical reliability in professional UAV systems.
Engineering Focus
The PDB & BEC systems are developed with emphasis on:
- High-current distribution integrity
- Stable, low-ripple voltage regulation
- Thermal resilience under sustained load
- Integrated electrical protections
- Compact and weight-optimized architecture
- Industrial connector compatibility
Power Electronics Comparison Table
| Specification | Powercore MK2 PDB | Voltrox 5V BEC | Voltrox 12V BEC |
|---|---|---|---|
| Output Voltage(s) | 5 V / 12 V | 5 V | 12 V |
| Input Voltage Range | 6S – 14S | 15 – 100 V | 15 – 100 V |
| Max Output Current | 2 A per BEC / 300 A peak (PDB) | 2 A | 2 A |
| Power Dissipation | N/A | 10 W | 24 W |
| Weight | 160 ± 2 g | 4 ± 1 g | 8 ± 1 g |
| Size (L × W × H) | 110 × 116 × 20 mm | 25 × 16 × 5 mm | 31 × 20 × 8 mm |
| Key Features | Dual BEC outputs, high-current copper layers, voltage & current sensing, high thermal tolerance | Compact, efficient DC regulation, undervoltage & overcurrent protection, low ripple | Stable 12 V output, comprehensive protections, low ripple, suitable for higher auxiliary loads |
Powercore MK2 PDB
- Integrated Outputs: 5 V and 12 V regulated BEC rails
- Battery Compatibility: 6S to 14S systems
- Current Handling: 300 A peak distribution capacity
- BEC Output: 2 A continuous per rail
- Connectors: XT60 and XT30 (multi-orientation layout)
- Sensing: Integrated analog voltage and current monitoring
- Thermal Rating: High-temperature tolerance up to 180 °C
Designed for centralized power routing in industrial UAV frames where current stability and signal integrity are critical.
See detailed Powercore MK2 PDB info
Voltrox 5V BEC
- Regulated Output: 5 V
- Input Voltage Range: 15 V – 100 V
- Continuous Output Current: Up to 2 A
- Maximum Power Dissipation: 10 W
- Protections: Undervoltage shutdown, overcurrent protection, thermal shutdown (>120 °C)
- Form Factor: Ultra-compact (25 × 16 × 5 mm)
- Electrical Performance: Low ripple, low noise, fast transient response
- Wiring Compatibility: 16–26 AWG
Optimized for flight controllers, GNSS modules, telemetry systems, and low-voltage avionics.
See detailed Voltrox 5V BEC info
Voltrox 12V BEC
- Regulated Output: 12 V
- Input Voltage Range: 15 V – 100 V
- Continuous Output Current: Up to 2 A
- Maximum Power Dissipation: 24 W
- Protections: Undervoltage shutdown, overcurrent protection, thermal shutdown (>120 °C)
- Dimensions: 31 × 20 × 8 mm
- Electrical Performance: Low ripple and noise output
- Wiring Compatibility: 16–26 AWG
Designed for higher-voltage auxiliary systems such as payload electronics, cameras, LiDAR modules, and industrial sensors.
See detailed Voltrox 12V BEC info
Protection & Reliability Features
All units incorporate multiple safety layers:
- Undervoltage lockout (UVLO)
- Overcurrent protection (OCP)
- Thermal shutdown protection
- Stable regulation under dynamic load changes
- Noise-minimized output for sensitive avionics
Operational Guidelines
To ensure safe and reliable operation:
- Confirm input voltage compatibility before installation
- Maintain adequate airflow for thermal dissipation
- Verify secure solder joints and connector engagement
- Avoid exceeding rated continuous output current
- Periodically inspect for signs of overheating or insulation degradation
Application Scope
These power electronics systems are suitable for:
- Agricultural UAV platforms
- Heavy-lift logistics drones
- Industrial inspection aircraft
- Mapping and surveying systems
- Long-endurance surveillance platforms
Specifications subject to change. Data current as of February 2026.