MXR1000120B-DC 120kW High-Frequency Isolated Power Module DC-DC Converter

The MXR1000120B-DC is a 120 kW high-frequency isolated DC-DC power module designed for high-voltage DC bus systems and ultra-fast EV charging applications. With full SiC devices, single-stage topology, and intelligent optimization algorithms, it delivers ultra-high efficiency (>98.5%) and exceptional power density (>120 W/in³). Supporting 680–920 VDC input and 200–1000 VDC output, it ensures safe isolation, scalability, and superior reliability for modern DC systems.
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  • 1. Product Positioning & Applications

    The MXR1000120B-DC is a high-power DC-DC module optimized for DC bus systems, EV charging infrastructure, and industrial energy storage where electrical isolation and high reliability are essential.
    With its wide input range (680–920 VDC) and flexible output (200–1000 VDC, constant power 600–1000 VDC), it enables stable voltage conversion between high-voltage DC buses and distributed subsystems.
    Typical applications include:

    • Ultra-fast EV charging piles and heavy-duty charging stations.

    • DC bus voltage regulation in solar-storage hybrid systems.

    • Energy storage integration in microgrids or industrial DC networks.

    • High-voltage DC conversion for heavy-duty or mining equipment.

    Unlike bidirectional modules, MXR1000120B-DC focuses on high-efficiency unidirectional DC power delivery, making it ideal for centralized charging and DC distribution systems.

    2. Core Advantages

    • High efficiency: >98.5%, minimizing energy loss in large-scale DC systems.

    • Ultra-high power density: >120 W/in³; compact 440 × 422 × 87 mm design, weight < 20 kg.

    • Wide voltage coverage: 680–920 VDC input / 200–1000 VDC output (600–1000 V constant power range).

    • Strong current capability: 165 A input, 200 A output.

    • High-frequency isolation: ensures electrical safety and reliable power flow.

    • Modular expandability: supports up to < 60 parallel modules for large-scale system deployment.

    • Smart communication: integrated CAN bus for system-level coordination and monitoring.

    • Air cooling: optimized airflow design for easy installation and low maintenance.

    3. Characteristic Curve

    4. Integration Guidelines

    • Maintain adequate ventilation for optimal air-cooling performance.

    • When connecting multiple modules in parallel, ensure stable CAN communication and balanced load sharing.

    • In high-voltage DC systems, consider isolation coordination, grounding, and surge protection.

    • For outdoor or high-temperature environments, apply derating or auxiliary cooling measures.

    • Regularly inspect fan performance, terminal tightness, and communication response for reliable operation.

    5. Customer Benefits

    • Achieves compact, efficient DC power conversion with lower thermal stress and maintenance cost.

    • Enhances energy conversion reliability and system scalability.

    • Lightweight and modular, simplifying system design and installation.

    • High isolation and SiC efficiency ensure longer lifetime and improved safety.

    6. Typical Applications

    • Ultra-fast charging stations for passenger and commercial EVs.

    • Industrial energy storage and DC microgrids.

    • Mining and construction heavy-duty DC charging systems.

    • Renewable + Storage + DC Distribution integrated systems.

    • Input Voltage
      680VDC~920VDC
    • Input Current
      165A Max
    • Output Power
      125kw
    • Output Voltage Range
      200VDC~1000VDC (Constant power range: 600V–1000V)
    • Output Current Range
      200A Max
    • Voltage stabilized accuracy
      ≤±0.5%
    • Current stabilized accuracy
      ≤±1% (Output loading 20%~100% rated range)
    • Ripple Peak to Peak
      ≤1%
    • Current Sharing Imbalance
      ≤5%
    • Operating Temperatue
      -20℃~+75℃, Above 50℃ will be derated.
    • Altitude
      ≤ 2000m, output derating above 2000m
    • Size(W×D×H)
      440×422×87mm
    • Weight
      <20kg
    • Efficiency(full load)
      >98.5%
    • Cooling Mode
      Air Cooling
    • Isolated Method
      High Frequency Isolation
    • Communication Method
      CAN bus
    • Parallel Module Quantity
      ≤60 pieces