- 675 Sycamore Drive, Suite 150 Milpitas, CA 95035
LCG1K0135G is specifically designed for DC-input electric vehicle fast DC chargers with liquid cooling requirements. It features high efficiency, zero noise, high power density and high reliability. With a wide DC input range of 300Vdc to 900Vdc, it delivers up to 40kW DC output power and supports an output voltage range of 150Vdc to 1000Vdc. It meets EMC/EMI Class B requirements, and has obtained TUV CE and cTUVus certification.
| Operating Environment | Operating temperature | -40°C~+75°C, derating required above 60°C |
| Transportation/Storage temperature | -40°C~+70°C | |
| Relative humidity | ≤95%RH, non-condensing | |
| Altitude | 4000m | |
| Atmospheric pressure | 56kPa~106kPa | |
| Cooling method | Liquid cooling | |
| Protection rating | IP40 | |
| Coolant Requirements | Coolant type | G65 Antifreeze (60% Ethylene Glycol + 40% pure H2O) |
| Temperature | -20°C~+75°C, derating required above 65°C | |
| Flow rate | 6L~10L/min | |
| Pressure differential | Min 0.20bar pressure differential between liquid inlet and outlet | |
| Coolant volume | Max 120PSI 8 bar, 0.25L in the module | |
| DC Input | Input voltage | Vin+/Vin-+PE, 300Vdc~900Vdc |
| Rated voltage | 720Vdc | |
| Max input current | 70A | |
| PV Input | MPPT function | MPPT for optimal solar energy utilization, MPPT efficiency ≥99.5% (MPP ≥5kW) |
| MPPT voltage range | 300Vdc~740Vdc, 375Vdc MPPT start point | |
| MPPT max input current | 70A | |
| Parallel operation | Supports 2 DCDC modules working in parallel (both input and output must be connected in parallel) | |
| DC Output | Max output power | 40kW |
| Output voltage | 150Vdc~1000Vdc | |
| Constant power voltage range | 300Vdc~1000Vdc | |
| Max output current | 133.3A | |
| Voltage regulation accuracy | <±0.5% | |
| Current regulation accuracy | ≤±1% | |
| Current sharing | ≤±5% | |
| Performance | Peak efficiency | ≥97.5% |
| Full load efficiency | ≥96.5% | |
| Standby power | <12W | |
| Control | Communication | CAN bus, max 48 power modules in parallel |
| Indication light | Green LED: normal operation; Yellow LED: alarm; Red LED: failure | |
| Address indication | Automatic address identification, panel dial switch for group setting | |
| ESTOP | 12V dry-contact relay trigger, output voltage shall drop from 1000Vdc to below 60Vdc in 300ms | |
| Alarm and Protection | Input overvoltage/undervoltage protection | Automatic shutdown, enters standby mode when the voltage returns to normal and requires a startup command from the monitoring unit to restore output |
| Output overvoltage protection | Automatic shutdown, manual restart when the voltage returns to normal | |
| Overcurrent/short circuit protection | Automatic shutdown, enters standby mode when the overcurrent/short circuit is cleared and requires a startup command from the monitoring unit to restore output | |
| Overtemperature protection | Automatic shutdown, enters standby mode when the temperature returns to normal and requires a startup command from the monitoring unit to restore output | |
| Reliability and Safety | Certification | TUV CE, cTUVus |
| EMC/EMI | EN IEC 61851-21-2:2021 Class B | |
| Safety | EN IEC 61851-1:2019, EN IEC 61851-23:2023, UL 2202:2022, CSA C22.2 No.346:2022 | |
| MTBF | >300,000h | |
| Mechanical Parameters | Dimensions (W*D*H) | 300mm*453mm*123mm |
| Weight | ≤26kg | |
| *The product is continuously evolving. Please refer to the latest datasheet for specifications. | ||

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