€299,00 EUR
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85V / 200A VESC Motor Controller
High-Precision Phase Current Sensing | High-Power EV Applications
Overview
High-performance VESC-based motor controller designed for demanding electric vehicle applications. Engineered for precise motor control, high efficiency, and reliable operation under extreme electrical and thermal conditions.
Key Features
-
True phase current sensing (not low-side)
- INA241A1 high-precision current amplifiers
- Optimized for sensorless motor control accuracy
-
Low gate charge (Qg) MOSFETs for fast switching
-
Low Crss (reverse transfer capacitance) for reduced switching losses
- High current capability with scalable thermal performance
- Advanced protection against voltage spikes and undervoltage conditions
Electrical Specifications
| Parameter |
Value |
| Battery Voltage |
Up to 21S (88.2V max)
|
| Battery Current |
Up to 200A continuous* |
| Phase Current |
Up to 400A* |
| Peak Current |
500A (absolute max) |
| Current Sensing |
Phase current (INA241A1) |
*Current capability depends on cooling conditions.
Power Stage
| Component |
Specification |
| MOSFET Count |
12 |
| Package Type |
TOLT |
| MOSFET Rating |
370A per device |
| Rds(on) |
1.2 mΩ (typical) |
| Gate Charge (Qg) |
Low (optimized for fast switching) |
| Crss |
Low (reduced switching losses) |
| Wiring |
9 AWG |
Gate Driver
| Component |
Specification |
| Driver Model |
UCC27211 |
| Type |
High-side / Low-side gate driver |
| Key Feature |
Undervoltage Lockout (UVLO) |
| Function |
Ensures safe switching during low voltage conditions |
Control & Sensing
- Direct phase current measurement for improved FOC accuracy
- Enhanced sensorless tracking performance
- Reduced current measurement error compared to low-side sensing
- Improved stability at high current and low-speed operation
Protection Features
| Feature |
Description |
| Undervoltage Lockout |
Integrated in gate driver (UCC27211) |
| Voltage Spike Protection |
Low ESR capacitors + TVS diodes |
| Transient Suppression |
Multi-capacitor filtering network |
Thermal & Operating Notes
- Maximum current ratings are cooling-dependent
- Adequate heatsinking and airflow are required for high current operation
- Low Qg and low Crss MOSFETs contribute to reduced switching losses and improved efficiency at high frequency
Applications
- High-power electric bikes (e-bike)
- Electric scooters
- Custom high-performance EV builds
- Robotics and high-current motor control systems
