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Lincoren On-Board DC-DC Converter: The Efficient "Heart" of New Energy Vehicles for Greener Mobility

By Ian June 5th, 2026 72 views

As an indispensable component within the power supply system of new energy vehicles, the on-board DC-DC converter is tasked with converting high-voltage direct current into DC power of various voltage ratings to cater to the power consumption requirements of diverse automotive electronic accessories.

Unlike conventional fuel-powered vehicles, electric vehicles are equipped with two types of batteries: a high-voltage traction power battery and a low-voltage auxiliary storage battery. Serving as the core propulsion source, the traction battery stores high-voltage DC electricity replenished via external charging. However, such high-voltage power cannot directly feed low-voltage onboard systems including vehicle lighting, infotainment and instrument panels. This is where the DC-DC converter comes into play, stepping down high-voltage DC into 12V, 24V or 48V low-voltage DC to power all low-voltage vehicle equipment.

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Backed by over two decades of R&D and manufacturing expertise from Dilong Group and a suite of cutting-edge proprietary technologies, Lincoren on-board DC-DC converters feature compact footprint and outstanding energy efficiency alongside superior thermal dissipation and electromagnetic compatibility (EMC), making them an optimal pick for new energy vehicle power systems.

Available in an extensive lineup of power ratings, Lincoren DC-DC converters accommodate the differentiated power demands across multiple vehicle models. Boasting lightweight construction, exceptional conversion efficiency, consistent operational stability and comprehensive built-in safety protections, they deliver dependable, high-efficiency power solutions for automotive on-board electrical architectures.

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Core Advantages of Lincoren On-Board DC-DC Converters

  1. Wide Input Voltage Range: Robust adaptability to fluctuating input voltages enables steady operation under varied power supply conditions.
  2. Superior Conversion Efficiency: Cuts down unnecessary energy loss, extends the service life of vehicle power systems and optimizes overall energy utilization.
  3. Compact & Lightweight Design: Facilitates flexible installation and space arrangement inside vehicle compartments while elevating energy efficiency.
  4. Full Digital Control: Enables precise regulation, faster system response and enhanced operational stability.
  5. Enhanced EMI Shielding: Guarantees consistent performance amid harsh and complex electromagnetic surroundings.
  6. Optimized Electromagnetic Compatibility: Minimizes electromagnetic interference to adjacent automotive electronics and ensures coordinated operation of the full vehicle electrical system.
  7. CAN Bus Communication Supported: Allows seamless data exchange and coordinated operation with other on-board electronic control units.
  8. High Operational Reliability: Equipped with full-spectrum protection circuits and automatic fault recovery functions for safe and trouble-free running.

Key performance metrics of on-board DC-DC converters, including conversion efficiency, power rating, dimension & weight, electrical safety, thermal performance, EMC and long-term reliability, directly define product quality and dictate the stability and dependability of the entire vehicle power network.

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Developed based on advanced LLC resonant topology, Lincoren’s on-board DC-DC converters achieve ultra-high conversion efficiency and wide-range input voltage. Integrated with soft-start function plus multi-layer safeguards including short-circuit, over-current, over-voltage, under-voltage and over-temperature protection with auto-recovery after fault clearance, these products support CAN communication. Having passed field verification in projects from more than 400 global clients, they have earned widespread market recognition and customer praise.

Delivering stable and customized on-board DC-DC converter solutions, Lincoren Power fuels the robust advancement of the new energy vehicle industry and paves the way for safer, eco-friendlier transportation worldwide.

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