The DCM Automotive Series features AEC-Q100 qualified fixed-ratio DC-DC converters with galvanic isolation designed specifically for automotive applications. These modules are engineered for the harsh automotive environment while maintaining Vicor's signature high efficiency and power density.
Overview
The DCM Automotive Series represents Vicor's solution for automotive applications requiring isolated DC-DC conversion with AEC-Q100 qualification. These devices are specifically designed and tested to meet automotive industry requirements for reliability, environmental conditions, and electromagnetic compatibility.
The fixed-ratio transformation (typically 4:1 or 2:1) makes them ideal for automotive bus conversion applications like 48V mild hybrid systems. The isolated design provides safety isolation and noise immunity while enabling bidirectional power flow in automotive power systems.
Key Features
AEC-Q100 Qualified
Full AEC-Q100 qualification ensures reliability and performance in harsh automotive environments with extreme temperature and vibration.
High Efficiency
Up to 95.7% efficiency achieved through ZVS technology reduces thermal management requirements in constrained automotive environments.
Automotive-Grade Reliability
Engineered and tested to meet automotive industry standards for vibration, shock, temperature range, and electromagnetic compatibility.
Galvanic Isolation
2250Vdc isolation barrier provides safety isolation and prevents ground loops in automotive power distribution systems.
Technical Specifications
| Model | Power Range | Efficiency | Input Voltage | Turns Ratio | Isolation | Package | Temperature Range |
|---|---|---|---|---|---|---|---|
| DCM3E51T100A015-H | 300W | 95.4% | 36-75V | 4:1 | 2250Vdc | VIA | -40°C to +105°C |
| DCM3E51T100A030-H | 600W | 95.7% | 36-75V | 4:1 | 2250Vdc | VIA | -40°C to +105°C |
| DCM4E51T100A046-H | 1000W | 96.0% | 36-75V | 4:1 | 2250Vdc | VIA | -40°C to +105°C |
| DCM4E31T100A046-H | 1000W | 95.5% | 24-55V | 2:1 | 2250Vdc | VIA | -40°C to +105°C |
| DCM3E31T100A023-H | 500W | 95.5% | 36-75V | 4:1 | 2250Vdc | VIA | -40°C to +105°C |
Applications
DCM Automotive modules are optimized for automotive applications requiring isolated DC-DC conversion without regulation. Common applications include:
48V Mild Hybrid
Efficient 48V to 12V conversion for mild hybrid vehicle power systems with galvanic isolation.
Electric Vehicle Power
Isolated power conversion in electric vehicle battery management and control systems.
Automotive Electronics
Power supplies for automotive infotainment, control units, and safety systems.
Design Considerations
Automotive Environment
DCM Automotive modules are qualified for automotive temperature ranges (-40°C to +105°C) and tested for vibration, shock, and EMC compliance. Design must ensure proper derating in high-temperature environments to maintain reliability.
EMC Requirements
Automotive applications have strict EMC requirements. DCM Automotive modules use ZVS technology which inherently has lower EMI. Additional filtering may be required to meet specific automotive standards.
System Integration
DCM Automotive modules excel in applications where you need a simple, efficient DC-DC conversion without regulation in automotive environments. They are ideal for bus conversion applications where downstream converters handle regulation.
Frequently Asked Questions
What does AEC-Q100 qualification mean?
AEC-Q100 is an industry-standard qualification for integrated circuits in automotive applications. It includes tests for temperature, humidity, vibration, and electromagnetic compatibility.
How do automotive DCMs differ from standard DCMs?
Automotive DCMs are AEC-Q100 qualified, have extended temperature range qualification, and additional testing for automotive-specific environmental conditions and EMC requirements.
What automotive standards do these modules meet?
DCM Automotive modules are designed to meet automotive industry standards for EMI, vibration, shock, temperature cycling, and other environmental requirements.
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