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40KW Smart Charger for EVs - 300-950V DC Input, 150-1000V DC Output, China Factory Suppliers
⚡ Main Features
- ✅ Energy-efficient & eco-friendly: High-efficiency operation across the entire load range and ultra-low standby power consumption, with efficiency exceeding 95.5%
- ✅ Ultra-wide input voltage range: Operates normally from 300 Vdc to 950 Vdc, adapting to a wide variety of input environments
- ✅ Ultra-wide output voltage range: 50 Vdc to 1000 Vdc, meeting the fast-charging needs of various electric vehicles and battery packs
- ✅ Wide constant-power output range: Constant-power output from 300 Vdc to 1000 Vdc, meeting the fast-charging needs of various electric vehicles
- ✅ No current reduction at low voltage: Can maintain a maximum output of 133.3A at voltages below 300Vdc, meeting the fast-charging needs of more devices
- ✅ High power density: Greater than 65W/in³, saving space inside the charging station and reducing the footprint of the charging station
- ✅ Emergency stop function: Rapidly responds to system emergency shutdown actions, ensuring safety and reliability
- ✅ Noise Mode Settings: Three adjustable noise modes to meet noise control requirements in different environments
- ✅ Fan Speed Reporting: Allows users to adjust the charging station's fan speed based on the module's fan speed, further optimizing noise levels
- ✅ Intelligent Airflow Detection: Monitors airflow smoothness; automatically limits power and triggers an alarm when airflow is obstructed
- ✅ High Environmental Reliability: Key circuits are potted with resin, significantly enhancing resistance to salt fog, humidity, and mold
- ✅ Built-in Discharge Circuit: Automatically discharges residual charge, simplifying system design and improving system safety
- ✅ Battery Reverse Charge Protection: Effectively protects the battery while ensuring reliable and safe system operation
📋 Technical Specifications
| Category | Name | Parameter |
|---|---|---|
| Environmental Conditions | Operation Temperature | -40°C ~ +75°C, derating is required when the temperature is above 55°C. |
| Storage Temperature | -40°C ~ +70°C | |
| Relative Humidity | ≤95%RH, without condensation | |
| Cooling Mode | Forced air cooling | |
| Altitude | 2,000 m a.s.l., derating is required when the altitude is above 2,000 m a.s.l. | |
| Atmospheric Pressure | 79 kPa ~ 106 kPa | |
| DC Input | Input System | DC+/DC- + PE |
| Rated Voltage | 300–950 Vdc | |
| Max Voltage | 1000 Vdc | |
| Rated Voltage (Nominal) | 800 Vdc | |
| Max Current | 66.6 A | |
| Standby Power Consumption | <20 W at rated 800 Vdc input | |
| DC Output | Voltage Range | 150 ~ 1000 V |
| Current Range | 0 ~ 133A (Rate-limiting points can be set) | |
| Rated Current | 40A (required for setting of current limiting point) | |
| Steady Voltage Precision | <±0.5% (150–1000V, 0~20MHz) | |
| Steady Current Precision | ≤±1% (rated range of 20% ~ 100% for output load) | |
| Load Regulation Rate | ≤±0.5% | |
| Startup Overshoot | ≤±3% | |
| Peak-to-Peak Noise | ≤1% (150~1000V, 0~20MHz) | |
| Efficiency | Under Rated Input Voltage | ≥95%, @1000V, full load |
❓ Frequently Asked Questions
Q What is the input voltage range of this DC-DC charging module?
The module supports an ultra-wide DC input voltage range of 300 Vdc to 950 Vdc under rated conditions, with a maximum input voltage of 1000 Vdc, making it compatible with a wide variety of DC bus systems and energy sources.
Q What output voltage and current can this module deliver?
The module provides an output voltage range of 150 V to 1000 V and a current range of 0 to 133A (with configurable rate-limiting points), enabling it to meet the fast-charging needs of a wide range of electric vehicles and battery packs.
Q How efficient is this charging module?
The module achieves an efficiency of ≥95% at 1000V full load under rated input voltage, and overall efficiency exceeds 95.5% across the entire load range. Standby power consumption is less than 20W at a rated 800 Vdc input, making it highly energy-efficient and eco-friendly.
Q What operating temperature range does this module support?
The module operates reliably from -40°C to +75°C. Derating is required when the ambient temperature exceeds 55°C. For storage, the recommended temperature range is -40°C to +70°C.
Q Does this module have any noise or fan management features?
Yes. The module offers three adjustable noise modes to suit different installation environments. It also supports fan speed reporting, allowing the charging station to adjust its fan speed based on the module's data, optimizing overall acoustic performance.
Q What safety and protection features are built into this module?
The module includes multiple safety features: an emergency stop function for rapid system shutdown, intelligent airflow detection that limits power and triggers alarms when airflow is blocked, a built-in discharge circuit to safely remove residual charge, and battery reverse charge protection to safeguard connected battery systems. Key circuits are also resin-potted for enhanced resistance to salt fog, humidity, and mold.