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6kW Vehicle-Mounted DC/DC Power Supply
6kW Vehicle-Mounted DC/DC Power Supply

This product operates within an input voltage range of 450–1000 Vdc, delivering a rated output of 27.8 Vdc/6000 W (peak power 6600 W). It features integrated system cooling, input overvoltage/undervoltage alarm and protection, output overcurrent alarm and protection, output overvoltage protection, output short-circuit protection, overtemperature protection, CAN communication, and scheduled wake-up functionality.

Technical Specifications

ProjectMinimumTypicalMaximumUnitConditions
Environmental Conditions
Operating Temperature-40-85
Storage temperature-40-105
Relative humidity5-95%No condensation during normal operation
Elevation0-5500m
Heat dissipation methodIntegrate with customer systems
Input Characteristics
Rated Input Voltage800VdcThe input end features reverse polarity protection.
Input Voltage Range450-1000Vdc
Maximum Input Current--16AInput 500V full-load test
Static leakage current--3mAWhen the auxiliary power supply is not energized and the main power supply does not start, measure the input current at the rated input condition of the main power supply.
Output Characteristics
Rated Output Voltage27.8Vdc
Output voltage setting27.8±0.3Vdc
Output Current Range0-220AWithin the input voltage range, the output power consistently reaches 6 kW.
Maximum Output Current220AMaximum continuous operating current
Output rated power6000W
Peak output power6600WPeak power: 6600W Operating time: 6 minutes
Overall efficiency-94%-%Vin=540Vdc,Ta=25℃
Temperature coefficient--±0.02%/℃
Output ripple and noise--600mVmVp-pThe oscilloscope bandwidth should be 20MHz, with probes connected in parallel to a 10uF + 104 capacitor; testing should be conducted with the output carrying a load exceeding 100%.
Boot-up time--2s
Output rise time--300ms
Time from A+ signal to stable DC-DC output--1.5s
Voltage Regulation Accuracy--±1%Output load greater than 1% test
Current stability accuracy--±1%
Scheduled Wake-Up Function----Supports freely adjustable timer wake-up function from 5 minutes to 24 hours.
Static leakage current--3mALeakage current when the output terminals are connected in parallel to a 24Vdc battery without being connected to high-voltage power supply or 24Vdc control power.
Control MethodCAN Control/EN Control/Control voltage range, see Note 1
Capacitive load4500-45000uFStandard aluminum electrolytic capacitor.
Dynamic Response Voltage Overshoot Magnitude±15%Load variation: 30% to 80% to 30%, load change rate ≤ 0.1 A/μs, dynamic load frequency range: 50 Hz to 5 kHz.
Input continuous power cyclingSupport/Under normal control signal input and output conditions, the input can withstand five consecutive on-off cycles within one minute without causing power supply failure or damage.


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