DC/DC-Converters
172E-13.8-ON – DC/DC step-down converter 48 VDC to 13.80 VDC by Demke Electronic

172E-13.8-ON | DC/DC step-down converter 48 VDC to 13.80 VDC, 900 W

DC-Converter 172E-13.8-ON

SKU: 172.003
BTO – build to order / manufactured on request
Lifecycle: BTO – Built to order

The 172E-13.8-ON by Demke Electronic is a non-isolated DC/DC step-down converter for a nominal input voltage of 48 VDC. It operates across an input voltage range of 18 to 70 VDC and delivers 13.80 VDC at up to 65 A, equivalent to 900 W of output power. Efficiency reaches up to97% at nominal input voltage and full load.

CC/CViConstant-current/constant-voltage control, e.g. for charging applications.Parallel operation / active loadsInput and output EMI filterNo power deratingNo-load and short-circuit proof
Input voltage Vin18…70 VDC
Output voltage Vout13.8 VDC
Output current Iout65 A
Output power Pout900 W
Efficiencyup to 97 %
Technical Documentation
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Product Description: DC-Converter 172E-13.8-ON

New Product Announcement. The galvanically non-isolated DC/DC step-down converter from 48V to 13.8V with 800W power for automotive applications.The connections are currently realized via connecting cables with corresponding cross sections of 6mm2 and 10mm2. If required, a solution with threaded bolts can be used.The result of the combination of the most modern components and years of know-how! The DC-DC converter for highest demands. The hardware configuration options are exemplary with Shutdown (Shutdown with -VBat) and ON/ OFF option (Enable with +VBat). A connector solution up to 45A is also possible.

Technical Data: DC-Converter 172E-13.8-ON

Electrical Specifications

Input voltage Vin18…70 VDC
Nominal input voltage48 VDC
Peak input voltage75 VDC
Max. input current70 A
Recommended input fuse100 A
Output voltage Vout13.8 VDC
Output current Iout65 A
Output power Pout900 W
Efficiencyup to 97 %
Output configurationUnipolar
IsolationNon-isolated
Insulation strength primary to case1500 VDC
EMI filterInput and output
Switching frequency110 kHz
Max. capacitive loadUnlimited
Control functionON – Enable
Enable voltage16…75 VDC

Mechanical Specifications

Dimensions130 × 130 × 28 mm
Weight980 g
MountingWall mounting
Connection typeCable
Cable length300 mm

Standards and Certifications

CEEN 55022 < Class AEN 61000-4-2EN 61000-4-3EN 61000-4-4EN 61000-4-5EN 61000-4-6EN 61000-6-2EN 61000-6-4IEC 60068-2-6:2007IEC 60068-2-27:2009REACHRoHS

Product Features

robust and climate-resistant designexcellent thermal characteristicsfull PU potting for demanding environmental conditionscontinuous no-load and short-circuit proofintegrated EMI input and output filterno power deratingCC/CV charging characteristiciConstant-current/constant-voltage control, e.g. for charging applications.for active loads, can be connected in parallelinternal decoupling diode against reverse currentvery low input ripple and noisewide input voltage rangefor ambient temperatures from -40 °C to +85 °Cthermal shutdown at +90 °C

Applications

Battery-Powered SystemsBattery Chargers & Charging SystemsE-MobilityIntralogistics & Warehouse AutomationMaterial Handling Vehicles

Downloads and Documentation

DatasheetTechnical datasheetSafety instructionsTechnical drawingCharacteristic curves
We convert power for first-class projects

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