- 675 Sycamore Drive, Suite 150 Milpitas, CA 95035
LBC1K5180G is a bidirectional DCDC conversion module designed for energy storage systems, DC microgrids, and second-life battery cascade utilization applications. It supports an ultra-wide operating voltage range of 300Vdc to 1500Vdc on the battery side and 400Vdc to 1500Vdc on the bus side. It has TUV CE and cTUVus certification.
| Technical Parameters | ||
| Operating Environment | Operating temperature | -40°C~+70°C, derating required above 45°C |
| Transportation/Storage temperature | -40°C~+70°C | |
| Relative humidity | ≤95%RH, non-condensing | |
| Altitude | 2000m | |
| Atmospheric pressure | 79kPa~106kPa | |
| Cooling method | Liquid cooling | |
| Protection rating | IP50 | |
| Coolant Requirements | Coolant type | G65 Antifreeze (60% Ethylene Glycol + 40% pure H2O) |
| Temperature | -40°C~+75°C, derating required above 45°C | |
| Flow rate | 6L~10L/min | |
| Pressure differential | Min 0.21bar pressure differential between liquid inlet and outlet | |
| Coolant volume | Max 120PSI 8 bar, 0.25L in the module | |
| Battery Side | Max output power | 62.5kW |
| Voltage range | 300Vdc~1500Vdc | |
| Constant power voltage range | 350Vdc~1500Vdc | |
| Max current | 178.6A | |
| Voltage regulation accuracy | ≤±0.5% | |
| Current regulation accuracy | ≤±1% | |
| Current sharing | ≤±5% | |
| Bus Side | Max output power | 62.5kW |
| Voltage range | 400Vdc~1500Vdc | |
| Constant power voltage range | 500Vdc~1500Vdc | |
| Max current | 125A | |
| Voltage regulation accuracy | ≤±0.5% | |
| Current regulation accuracy | ≤±1% | |
| Current sharing | ≤±5% | |
| Performance | Peak efficiency | ≥98.5% |
| Full load efficiency | ≥97% | |
| Standby power | <8W | |
| Control | Communication | CAN bus, max 40 power modules in parallel |
| Indicator light | Green LED: normal operation; Yellow LED: alarm; Red LED: failure | |
| Address indication | Automatic address identification, panel dial switch for group setting | |
| ESTOP | 5V/12V dry-contact relay trigger, output voltage shall drop from 1500Vdc 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 | IEC 61851-1:2023, EN IEC 61851-1:2019, EN 61851-23:2014, IEC 61851-23:2023, UL 2202:2022 | |
| MTBF | >400,000h | |
| Mechanical Parameters | Dimensions (W*D*H) | 300mm*453mm*123mm |
| Weight | ≤30kg | |
| Blind-mating connector (optional) | CGD08.5421/L, quick-release coupling for liquid cooling | |
| *The product is continuously evolving. Please refer to the latest datasheet for specifications. | ||
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