Liquid-Cooled Construction
Liquid cooling supports thermal integration with the host system. Request coolant, flow, temperature and connection requirements for your selected configuration.
CTS3470-M15 Series Liquid-Cooled 6.6kW On-Board Charger & 2.5kW DC-DC Converter
CTS3470-M15 Series Liquid-Cooled 6.6kW On-Board Charger & 2.5kW DC-DC Converter
Basic Properties
Country Of Origin
China
Brand Name
CTS
Certificate
Declaration of Conformity/CE
PRODUCT MODEL
6.6kW& 2.5kW DC-DC
Trading Properties
MOQ
2
Payment Method
L/C,D/A,T/T
Supply Capacity
5000pcs/month
Product Summary
Liquid-cooled 2-in-1 assembly combining a 6.6kW on-board charger with a 2.5kW DC-DC converter. Features 90-290VAC input, five HV output ranges, 14V/178A auxiliary output, active PFC, fully digital control, CAN communication, bootloader support and IP67 design support for integrated EV power systems.
Product Details
Highlight:
liquid-cooled 6.6kW on-board charger
,2.5kW DC-DC converter
,CTS3470-M15 on-board charger
Outputcurrent:
Up To 32A
Protection Rating:
Protection Rating
Cooling Method:
Air-cooled
Coolingmethod:
Air-cooled
Chargingefficiency:
≥ 93%
Protection Features:
Over-voltage, Over-current, Short-circuit, Over-temperature
Chargingpower:
6.6kW
Certifications:
CE, UL, ISO 26262
Weight:
Approximately 3.5kg
Outputvoltage:
DC 200-450V
Output Power:
1500W@220V/1100W@120V
Mountingtype:
Under The Hood / Inside Vehicle
Peak Efficiency:
≥ 93%
Operatingtemperaturerange:
-40°C To 85°C
Communication Protocol:
CAN, PWM
Product Description
CTS3470-M15 Series · Liquid-Cooled 2-in-1 Assembly
Liquid-Cooled 6.6kW On-Board Charger & 2.5kW DC-DC Converter
High-voltage battery charging and 14V auxiliary power in one integrated assembly.
The CTS3470-M15 Series combines a 6.6kW on-board charger with a 2.5kW DC-DC converter. Featuring 90–290VAC input, five model-specific high-voltage output ranges and a listed 14V/178A auxiliary output, it supports power-system integration for electric vehicles and battery-powered equipment.
6.6kW On-board charging power
2.5kW DC-DC output power
90–290VAC AC input range
14V / 178A Auxiliary output
Product Overview
Integrate Charging and Auxiliary Power Conversion
The CTS3470-M15 integrates a high-voltage on-board charger and a low-voltage DC-DC converter within one liquid-cooled assembly. The OBC charges the battery, while the DC-DC section provides a 14V output for auxiliary electrical systems.
The construction incorporates circuit-board potting and independently mounted magnetic components. Fully digital control, CAN communication, bootloader support and software parameter adjustment assist commissioning and maintenance.
Select the model that matches your battery charging range, then confirm cooling, control and interface requirements with CTS.
Product Features
Designed for Integrated Vehicle Power Systems
Potted Circuit Board
Circuit-board potting and independently mounted magnetic components form part of the assembly’s mechanical and electrical construction.
Digital Control and Active PFC
A modular power design, fully digital control and active power factor correction support operation with 90–290VAC input.
Hardware and Software Protection
Protection at hardware and software levels supports operation within the specified application conditions.
CAN and Bootloader Support
CAN communication and bootloader functionality assist system integration and firmware maintenance. Supporting software enables parameter adjustment.
IP67 Assembly Design Support
The specification describes support for an IP67 assembly design. Confirm the final protection rating, connector sealing and installation requirements for your configuration.
Technical Specifications
Select the Output Range for Your Battery Platform
All five listed models feature 90–290VAC input, 6.6kW OBC power and 2.5kW DC-DC output at 14V/178A.
| Model | AC Input | OBC Power | HV Output | HV Output Range | DC-DC Power | LV Output |
|---|---|---|---|---|---|---|
| CTS3471-M15-XX | 90–290VAC | 6.6kW | 720V / 9A | 500–900VDC | 2.5kW | 14V / 178A |
| CTS3472-M15-XX | 90–290VAC | 6.6kW | 540V / 12A | 400–750VDC | 2.5kW | 14V / 178A |
| CTS3473-M15-XX | 90–290VAC | 6.6kW | 360V / 18A | 250–500VDC | 2.5kW | 14V / 178A |
| CTS3474-M15-XX | 90–290VAC | 6.6kW | 144V / 44A | 100–180VDC | 2.5kW | 14V / 178A |
| CTS3475-M15-XX | 90–290VAC | 6.6kW | 108V / 60A | 80–140VDC | 2.5kW | 14V / 178A |
Values are reproduced from the supplied specification. Confirm available power, current limits, cooling conditions and permitted simultaneous operation for your application before final selection.
Product TypeIntegrated OBC + DC-DC assembly
Cooling MethodLiquid cooling
ControlFully digital
Power Factor CorrectionActive PFC
ProtectionHardware and software
CommunicationCAN
Firmware SupportBootloader
ConfigurationSoftware parameter adjustment
Frequently Asked Questions
Before You Integrate
Share your battery specifications, auxiliary loads and cooling-system conditions for technical review.
Contact Technical Sales →What does the CTS3470-M15 integrate?
It combines a liquid-cooled 6.6kW on-board charger and a 2.5kW DC-DC converter in one assembly, providing high-voltage battery charging and 14V auxiliary output.
What AC input range is supported?
All listed models specify 90–290VAC input. Confirm available charging power under your intended AC supply conditions with CTS.
Which high-voltage output ranges are available?
Five model-specific ranges are listed: 500–900VDC, 400–750VDC, 250–500VDC, 100–180VDC and 80–140VDC.
Do all models provide the same auxiliary output?
Yes. The supplied specification lists 2.5kW DC-DC power and 14V/178A output for all five models.
What cooling information should I request?
Ask CTS for the coolant specification, required flow rate, inlet temperature range, pressure limits and connection details for your selected configuration.
Does it support CAN communication?
Yes. The specification lists CAN communication, bootloader support and software parameter adjustment. Request interface documentation to assess compatibility with your system.
Does the design support an IP67 assembly?
The specification describes support for IP67 assembly design. Confirm the final protection rating, connector sealing and installation requirements with CTS.
Start Your Project
Discuss Your Liquid-Cooled Charging Requirements
Looking for a liquid-cooled 6.6kW on-board charger with integrated DC-DC conversion? Send your application details for model selection, technical documentation and a quotation.
sarah@ctscharger.comOpens your email app with an inquiry draft.
Details to Include in Your Inquiry
- Vehicle or equipment type
- Battery chemistry and voltage range
- Required charging power and current
- Required 14V auxiliary output current
- Installation space and mounting requirements
- Cooling-loop conditions and connection requirements
- CAN protocol and controller requirements
- Environmental and sealing requirements
- Estimated quantity and project schedule
