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DC-to-DC Converter

Converting high-voltage DC power into low-voltage DC power used by vehicle electrical equipment

DC-to-DC Converter

The DC-to-DC converter (DC/DC) is an essential component in new energy electric vehicles, responsible for converting high-voltage power from the main battery into low-voltage direct current used by the vehicle's electrical systems, including the auxiliary battery and other low-voltage loads. The DC/DC converter also plays a crucial role in ensuring passenger safety by providing insulation from the high-voltage electrical system.

In various EV configurations, DC-DC converters are used to convert high voltage (HV) to 48V and 12V, or from 48V to 12V. Key design priorities for DC-DC converters include minimizing energy loss, maximizing efficiency, and ensuring compact, lightweight package.

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DC-to-DC Converter
Technical Advantages
  • Provides scalable and efficient solutions, delivering the necessary stable power to low-voltage vehicle systems.
  • The high-voltage DC-DC converter (HV/LV) features dual liquid cooling system for heat control and optimal performance even under high loads or extreme environmental conditions.
  • Capable of delivering between 1kW and 2kW of power to 8V, 9V, or even 15V systems, with customizable packaging to fit specific needs at affordable prices.
Options of Model
  • 1kW DC-DC Converter (Natural-Cooled)
  • 1.2kW DC-DC Buck Converter
  • 1.5kW DC-DC Converter (Forced Air-Cooled)
  • 2kW DC-DC Converter (Liquid-Cooled)
  • 2.4kW DC-DC Buck Converter
  • 2.5kW DC-DC Boost Converter
  • 3.6kW DC-DC Buck Converter
  • 4.0kW DC-DC Buck Converter
  • 5.0kW DC-DC Boost Converter
  • 6.0kW DC-DC Buck Converter
  • 7.5kW DC-DC Boost Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
Technical Specifications
Model TDC-IY-72-12 TDC-IY-108-12 TDC-IY-144-12 TDC-IY-320-12
Input Voltage Range (V) 44V-97V 74V-162V 103V-227V 206V-454V
Nominal Output Voltage (V) 14V 14V 14V 14V
Max. Output Current (A) 72A 72A 72A 72A
Basic Information
  • Nominal power: 1kW
  • Peak power: 1.2kW lasting 6 minutes
  • Output voltage/current: 14V±1% / 72A
  • Max. efficiency: ≥92%
  • Voltage regulation: 1%
  • Voltage control accuracy: ≤1%
  • Current control accuracy: ≤2%
  • Electromagnetic compatibility (EMC): meet GB/T 18655-2002
  • Protection level: IP67
  • Operating temperature: -40℃ to 60℃
  • Storage temperature: -40℃ to 105℃
  • Communication: CAN bus/12V Enable Signal Control
  • Functions: output over-voltage/undervoltage/short circuit protection, input reverse polarity protection, over-temperature protection, communication protection
  • Dimensions (L×W×H): 278×116×76mm
  • Net weight: 2.5kg
  • Cooling method: natural cooling
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD1P280-14 40-80VDC 14V 71A
RD1P2100-14 50-100VDC 14V 71A
RD1P2200-14 80-200VDC 14V 85A
RD1P2450-14 200-450VDC 14V 85A
RD1P2700-14 400-700VDC 14V 85A
RD1P2200-27 80-200VDC 27V 42A
RD1P2450-27 200-450VDC 27V 42A
RD1P2700-14 400-700VDC 14V 42A
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
  • DC-to-DC Converter
Technical Specifications
Model TDC-JH-72-12 TDC-JH-115-12 TDC-JH-144-12 TDC-JH-320-12
Input Voltage Range (V) 55V-97V 72V-138V 100V-200V 206-454V
Nominal Output Voltage (V) 14V 14V 14V 14V
Max. Output Current (A) 110A 110A 110A 110A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD1P5700-14 400-700VDC 14V 107A
RD1P5450-14 200-450VDC 14V 107A
RD1P5200-14 80-200VDC 14V 107A
Basic Information
  • Nominal power: 1.5kW
  • Peak power: 1.8kW lasting 6 minutes
  • Output voltage/current: 13.8V±1% / 110A
  • Max. efficiency: ≥94%
  • Voltage regulation: 1%
  • Voltage control accuracy: ≤1%
  • Current control accuracy: ≤2%
  • Electromagnetic compatibility (EMC): meet GB/T 18655-2002
  • Protection level: IP67
  • Operating temperature: -40℃ to 60℃
  • Storage temperature: -40℃ to 105℃
  • Communication: CAN bus/12V Enable Signal Control
  • Functions: output over-voltage/undervoltage/short circuit protection, input reverse polarity protection, over-temperature protection, communication protection
  • Dimensions (L×W×H): 241×136×74mm
  • Net weight: 3.5kg
  • Cooling method: natural cooling
DC-to-DC Converter
Technical Specifications
Model TCDUN5000202
Input Voltage Range (V) 240V-420V
Nominal Output Voltage (V) 14V
Max. Output Current (A) 143A
Dimensions (L×W×H) 263×227×59.4mm
Net weight 3.0kg
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD2P0750-27 300-750VDC 24V 80A
RD2P0750-48 300-750VDC 48V 42A
RD2P0750-80 300-750VDC 80V 25A
RD2P0750-108 300-750VDC 108V 18A
RD2P0750-144 300-750VDC 144V 13A
RD2P0700-360 300-700VDC 360V 7A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD2P480-14 40-80VDC 14V 142A
RD2P4100-14 50-100VDC 14V 142A
RD2P4200-14 80-200VDC 14V 170A
RD2P4450-14 200-450VDC 14V 170A
RD2P4700-14 400-700VDC 14V 170A
RD2P4200-27 80-200VDC 27V 82A
RD2P4450-27 200-450VDC 27V 82A
RD2P4700-27 540VDC/10A 27V 82A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD2P548-360 40-68VDC 360V 7A
RD2P548-48 40-68VDC 48V 60A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD3P680-14 40-80VDC 14V 213A
RD3P6100-14 50-100VDC 14V 213A
RD3P6200-14 80-200VDC 14V 255A
RD3P6450-14 200-450VDC 14V 255A
RD3P6700-14 400-700VDC 14V 255A
RD3P6200-27 80-200VDC 27V 126A
RD3P6450-27 200-450VDC 27V 126A
RD3P6700-27 400-700VDC 27V 126A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD4P0750-24 300-750VDC 24V 160A
RD4P0750-48 300-750VDC 48V 84A
RD4P0750-80 300-750VDC 80V 50A
RD4P0750-108 300-750VDC 108V 36A
RD4P0750-144 300-750VDC 144V 26A
RD4P0750-360 300-700VDC 360V 14A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD5P048-360 40-68VDC 360V 14A
RD5P048-48 40-68VDC 48V 120A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD4P0540-24 300-750VDC 24V 240A
RD4P0540-48 300-750VDC 48V 126A
RD4P0540-80 300-750VDC 80V 75A
RD4P0540-108 300-750VDC 108V 54A
RD4P0540-144 300-750VDC 144V 39A
RD4P0540-360 300-700VDC 360V 21A
RD6P0900-14 400-900VDC 14V 284A
RD6P0500-14 200-500VDC 14V 284A
RD6P0500-27 200-500VDC 27V 218A
RD6P0900-27 400-900VDC 27V 218A
DC-to-DC Converter
Technical Specifications
Model Input Voltage Range Nominal Output Voltage Max. Output Current
RD7P548-360 40-68VDC 360V 21A
RD4P0540-48 40-68VDC 48V 180A
Applications

DC/DC converters are widely used to power everything from passenger cars and commercial electric vehicles to off-road solutions. Whether in fast-paced urban environments or rugged industrial settings, our DC-DC converters ensure seamless voltage conversion and reliable energy management. Perfect for electric motor engineering, charging stations, and energy storage systems, these converters provide the flexible and efficient power needed to drive the future of electric mobility.

DC-to-DC Converter
Golf cart
DC-to-DC Converter
Low speed car
DC-to-DC Converter
RV
DC-to-DC Converter
Tricycle
DC-to-DC Converter
Two-wheeler
DC-to-DC Converter
Forklift
DC-to-DC Converter
Cleaning vehicle
DC-to-DC Converter
Yacht
DC-to-DC Converter
Tour car
DC-to-DC Converter
Cruiser
DC-to-DC Converter
Electric ATV
DC-to-DC Converter
Lawn mower
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
DC-to-DC Converter
Features

The primary function of a DC/DC converter is to transform one DC voltage level into another. This is crucial when the input voltage does not match the output voltage required by the equipment. Common reasons for needing a DC/DC converter include:

  • Battery-powered equipment Many devices rely on battery power, which can fluctuate over time. Even when the battery voltage drops, DC/DC converters ensure a stable output, keeping your equipment running smoothly and reliably.
  • Efficiency optimization In renewable energy systems and electric vehicles, DC/DC converters play a vital role in optimizing energy transfer between components, maximizing performance and reducing energy waste.
  • Voltage compatibility Different components within a system often require varying voltage levels. DC/DC converters bridge this gap, providing the right voltage for each component, ensuring compatibility across the system.
  • Voltage regulation DC/DC converters help regulate output voltage, maintaining it within a specified range even when input voltage fluctuates.
Optional Accessories
    1. DC-to-DC Converter Crimp terminals
    1. DC-to-DC Converter Plastic high-voltage connector
Contact Us for EV On-Board Charger Solution

If you need help to identify the right solution, our expert will be happy to assist you. Please email us or give as a call.

chargertiecheng@gmail.com
+86-18968150040
Get in Touch
Other On-Board Charging Systems
    1. 2-in-1 (OBC+DC/DC)
      2-in-1 (OBC+DC/DC)
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    1. 3-in-1 (OBC+DC/DC+PDU)
      3-in-1 (OBC+DC/DC+PDU)
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    1. On-Board Charger (OBC)
      On-Board Charger (OBC)
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Customization Process
    1. Custom Solutions
      Customer Background Analysis

      The first step in our custom solution process is a comprehensive analysis of the client’s company and background. Our solutions team conducts a deep dive to understand the scale of the client’s business and their target customer base. We compile relevant information and create a potential supplier evaluation report, allowing us to effectively analyze and meet the client’s specific needs.

      Read More
    1. Custom Solutions
      Requirements Analysis

      During the analysis of client’s requirements, our design team carefully examines the specifications required for the custom on-board charger (OBC), DC/DC converter, or integrated charging system. This includes verifying parameters such as product type, power capacity, size, integration level, interface types, cooling methods, and intended use.

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    1. Custom Solutions
      Solutions Design

      After all parameters have been verified and aligned with the needs analysis, our team proceeds with custom solution design. This phase focuses on improving or developing product molds and designing integrated PCB (Printed Circuit Board) layouts to meet the client's specific requirements in terms of integration and functionality.

      Read More
Tiecheng Information Technology Co., Ltd.
As an experienced manufacturer of on-board chargers and DC-to-DC converters, we excel in providing custom solutions by integrating OBC, DC/DC and PDU in customer-specific combination.
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Contact Us
5F, A, No. 108, Xiangyuan Rd, Gongshu District, Hangzhou, China
Michael Bao
chargertiecheng@gmail.com
+86-18968150040
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