HLF80K-D300-800 is a high‑power, ultra‑high voltage DC/DC converter purpose‑built for modern data center power architectures. Delivering a continuous 80 kW from a 700–800 VDC input to a software‑configurable 300 VDC output at >97% peak efficiency, serves as the high‑density power conversion core for HVDC distribution, renewable‑coupled microgrids, and next‑generation rack‑level power delivery. Engineered with liquid‑cooled thermal management, dual isolated CAN FD control, and a parallel‑ready architecture, this converter delivers the scalability, redundancy, and digital intelligence required for mission‑critical, high‑availability data center environments.
| Feature | Description |
|---|---|
| 80 kW Power Density | Delivers sustained full‑load output in a compact 500×400×200 mm form factor, reducing floor space and simplifying power system scaling. |
| Ultra‑High Voltage Input (700–800 VDC) | Directly interfaces with 1500 VDC battery racks, photovoltaic strings, or high‑voltage DC microgrids, eliminating multiple conversion stages and improving overall system efficiency. |
| Software‑Configurable 300 VDC Output | Factory‑default 300 VDC; field‑programmable via CAN FD commands for future output variations, offering unmatched application versatility. |
| Advanced Digital Control & Protection | DSP‑based adaptive algorithms ensure stable regulation under dynamic loads. Comprehensive protection suite includes UVP, OVP, OCP, SCP, OTP, with fault logging and predictive health monitoring. |
| Dual Isolated CAN FD Interfaces | Seamlessly integrates with data center EMS, BMS, and SCADA for real‑time telemetry, remote configuration, and firmware updates. |
| Forced Liquid Cooling (Mandatory) | Integrated cold plate with high‑capacity thermal management ensures reliable 80 kW operation even under continuous heavy loads, critical for 24/7 data center environments. |
| Redundancy‑Ready Parallel Architecture | Master‑less active current sharing supports up to 10 units in parallel (imbalance ≤±5%), enabling N+1, 2N, or scalable megawatt‑class power zones. |
High‑Voltage DC (HVDC) Power Distribution – Converts 700–800 VDC from battery or rectifier sources to 300 VDC for feeding intermediate bus converters or direct server power shelves.
Renewable‑Powered Data Centers – Interfaces directly with large‑scale PV arrays or on‑site battery storage, enabling green, efficient DC‑coupled power delivery.
Colocation & Hyperscale Facilities – Serves as a modular, scalable power block for mega‑watt‑class DC power zones, reducing AC/DC conversion losses and copper costs.
Edge & Modular Data Centers – Compact size and robust cooling support rapid deployment in space‑constrained environments.
Backup & UPS Integration – Provides a stable DC bus for lithium‑ion battery systems, ensuring seamless transition to stored energy during grid outages.
High‑Availability Rack Power – Directly powers 300 VDC input servers or feeds intermediate bus converters for 48 V or 12 V rack distribution.
| Parameter | Specification |
|---|---|
| Model | HLF80K-D300-800 |
| Input Voltage Range | 700 – 800 VDC |
| Output Voltage | 300 VDC (factory‑default; field‑programmable via CAN) |
| Output Power | 80 kW continuous |
| Output Current (nominal) | ~267 A @ 300 VDC |
| Peak Efficiency | > 97% @ 50–100% load; > 96.5% @ full load |
| Thermal Dissipation | ~2.8 kW @ full load (coolant inlet ≤45°C, flow ≥10 L/min) |
| Standby Power Consumption | < 15 W (idle mode) |
| Communication & Control | Dual isolated CAN FD 2.0 (with CAN‑open protocol support), full digital monitoring, data logging, and firmware over‑the‑air (FOTA) capability |
| Protections | Under‑voltage (UVP), over‑voltage (OVP), over‑current (OCP), short‑circuit (SCP), over‑temperature (OTP), reverse polarity, input surge |
| Fault Diagnostics | Real‑time fault logging with time‑stamped event history; predictive health monitoring via AI‑ready telemetry |
| Parallel Operation | Active current sharing with ±5% imbalance (master‑less architecture), supports up to 10 units in parallel |
| Cooling System | Forced liquid cooling (mandatory); cold plate integrated; recommended coolant: water‑glycol mixture (30%–50% glycol) |
| Coolant Flow Rate | ≥ 10 L/min (recommended); 8 L/min (minimum for derated operation) |
| Coolant Inlet Temperature | -20°C to +55°C (full power up to 45°C; derating above 45°C) |
| Dimensions (L × W × H) | 400 × 300 × 200 mm (19.7 × 15.7 × 7.9 in) |
| Weight | ≤ 25 kg (55.1 lbs) |
| Operating Temperature | -40°C to +85°C (ambient, with derating above 55°C) |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% – 95% (non‑condensing) |
| Altitude | ≤ 3000 m (derating above 2000 m) |
| MTBF | > 500,000 hours (Telcordia SR‑332, ground fixed, 40°C) |
| MTTR | < 30 minutes (field‑replaceable modules) |
| Safety & Compliance | Compliant with IEC 61800‑5‑1; architecture aligned with ISO 26262 ASIL‑D functional safety concepts |
| Protection Type | Description |
|---|---|
| Input Under‑Voltage Lockout (UVLO) | Shuts down when input drops below 650 VDC; auto‑restart upon recovery |
| Input Over‑Voltage Protection (OVP) | Shuts down when input exceeds 850 VDC; auto‑restart upon recovery |
| Output Over‑Voltage Protection | Clamps output at 320 VDC; latches off for fault, requires reset |
| Output Over‑Current Protection | Limits current at 295 A (110% of nominal); constant current mode with foldback after 10 seconds |
| Short‑Circuit Protection | Hiccup mode with auto‑recovery; protects against sustained output short |
| Over‑Temperature Protection | Shuts down at 90°C (coolant outlet); auto‑restart when temperature drops to 75°C |
| Reverse Polarity Protection | Input protected against reverse connection (≤ -100 VDC for 1 minute) |
| Input Surge Protection | Withstands 1000 VDC surges for 100 ms per IEC 61000‑4‑5 |
✅ Proven Efficiency for Hyperscale
Delivers > 97% peak efficiency, directly improving Power Usage Effectiveness (PUE) and reducing annual energy costs by thousands of dollars per megawatt.
✅ True Redundancy with Active Current Sharing
Parallel up to 10 units with < 5% current imbalance, enabling N+1, 2N, or distributed redundancy architectures without external controllers.
✅ Certified for Mission‑Critical Uptime
Fully compliant with IEC 61800‑5‑1, with hardware designed to support ISO 26262 ASIL‑D functional safety, ensuring 99.999% availability in demanding data center environments.
✅ Intelligent, Software‑Defined Power Core
Enables remote configuration, firmware updates, predictive maintenance alerts, and energy optimization algorithms via CAN FD.
✅ Thermally Optimized for Continuous Heavy Loads
Liquid‑cooled cold plate with optimized thermal resistance ensures stable operation under 80 kW continuous load.
✅ Built for Extreme Conditions
Rugged industrial design rated from -40°C to +85°C, with comprehensive surge and transient protection, ensures reliable 24/7/365 operation.
✅ Scalable Building Block for Megawatt Systems
Modular design allows scaling from 80 kW to 8 MW+ by paralleling multiple units.
HLF80K-D300-800 is engineered for the most demanding data center power challenges.
Custom output voltage configurations and extended temperature ranges are available upon request.
For detailed technical specifications, thermal integration guidelines, parallel configuration support, or to discuss your specific application requirements, please contact our Data Center Power Solutions Engineering Team.
This document is for informational purposes and may be updated without notice. All specifications are subject to change. For the latest version, please contact the manufacturer.