LV-MCU by Maxwell: Cost Effective & Reliable Controller for Low-Voltage BLDC Motors
A compact and efficient controller for low-voltage BLDC motors, designed for precise speed control and robust protection in vehicle HVAC applications.

LV-MCU is a compact and efficient motor controller designed for 24V BLDC motors, primarily used in vehicle HVAC applications.
It features advanced Field-Oriented Control (FOC) for precise and smooth motor operation while ensuring efficient power delivery. Built with robust protection mechanisms, the LV-MCU safeguards against load dump, over-voltage, under-voltage, over-current, and short circuits, enhancing reliability in demanding automotive environments. With its configurable parameters and seamless integration capabilities, the LV-MCU offers flexibility to adapt to various motor requirements.
Certifications / Compliances:
• CISPR-25 Class 5
• ISO 7637-2, ISO 7637-3, ISO 16750-2
15A
Maximum Current
16-32V
Wide range output
4200
Maximum RPM
CAN
Communication supported (Optional)

Product capabilities & features.
Precision Speed Control
Supports speed control via PWM and analog voltage signals, with custom thresholds to dynamically map minimum and maximum RPMs for optimal performance.
Stall Detection
Utilizes back-EMF sensing to detect motor stalls, ensuring reliable operation and preventing potential system failures.
Intelligent Derating
Automatically adjusts motor speed based on temperature and current, enhancing system efficiency and preventing overheating.
UART Communication
Facilitates seamless data exchange between nodes through a UART interface, enabling real-time monitoring and integration with external systems.
Configurability
Easily adapt to different motors by modifying just a few of the 10 configurable parameters, allowing seamless integration into various applications.
Auto Cut-Off & Self Healing
Automatically cuts off the motor from running in case of detected errors and restores operation once the errors are resolved, ensuring system protection and minimal downtime.
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