Product Description
EV Power Supply: 200V~750V to 26V 1.2KW DC-DC Converter
This high-efficiency isolated DC-DC converter is specifically engineered for electric vehicles (EVs), converting high-voltage traction battery power (200V to 750Vdc) to a stable 26Vdc output with up to 46A continuous current. Designed to meet rigorous automotive standards, it features IP67 protection, CAN 2.0 communication, and >96% peak efficiency.
Core Functions
⚡ Voltage Step-Down
Converts 200V-750Vdc traction battery power to stable 26Vdc for low-voltage systems.
🔥 Energy Efficiency
LLC resonant topology achieves >96% peak efficiency, minimizing heat loss.
🛡️ Isolation Protection
1.5kV galvanic isolation prevents high-voltage leakage risks.
📡 Smart Communication
CAN 2.0 interface enables real-time monitoring and control.
Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 200V – 750Vdc |
| Output Voltage | 26Vdc |
| Max Output Current | 46A |
| Rated Power | 1.2KW |
| Maximum Power | 1.2KW |
| Peak Efficiency | >96% |
| Protection Rating | IP67 (natural cooling) |
| Communication Interface | CAN 2.0 |
| Dimensions (L×W×H) | 258.2 × 188 × 87 mm |
| Weight | 4.8 kg |
Primary Use Cases
| Application | Purpose | Example Components |
|---|---|---|
| Auxiliary Systems | Powers control units, lighting, sensors, infotainment | ECU, LED headlights, ADAS cameras |
| Thermal Management | Drives coolant pumps, fans for battery and cabin climate control | PTC heaters, HVAC compressors |
| Safety Devices | Supplies emergency brakes, door locks, crash sensors | ABS, SRS airbag systems |
Key Features
- Compact industrial-grade design – optimized for space-constrained EV applications
- High efficiency (>96%) – reduces thermal management requirements
- Rugged IP67 enclosure – dust-tight and waterproof for harsh environments
- CAN bus communication – enables seamless integration with vehicle networks
- Wide input voltage range – compatible with various EV battery architectures
- Comprehensive protection – overcurrent (OCP), short-circuit (SCP), overvoltage (OVP)
Critical Design Notes
- Input Range Flexibility: Handles voltage fluctuations (e.g., 750V during regenerative braking).
- EMC Compliance: Meets CISPR 25 Class 3 for electromagnetic interference suppression.
- Thermal Derating: Output current derates by 15% at ambient temperatures above 85°C.
- Protection Features: Integrated overcurrent, short-circuit, and overvoltage protection ensure system safety.
Technical Documentation Keywords
Primary Terms: High-voltage to low-voltage DC-DC converter · Isolated step-down converter · Automotive-grade power supply
Performance Metrics: Wide input range 200V-750V · 26V / 46A output · 96% peak efficiency · EV DC-DC Converter
Applications: EV auxiliary power module · Battery management system (BMS) · Electric bus low-voltage network
📞 Need a custom configuration? Contact our engineering team for OEM/ODM services. We can tailor voltage, current, communication protocols, and mechanical specifications to your exact requirements.
