Bidirectional Charging Design
A bidirectional OBC architecture is integrated with DC-DC conversion. Confirm available operating modes and reverse power specifications for the selected configuration.
CTS3660-M16 Series Fan-Cooled Bidirectional On-Board Charger & DC-DC Converter
CTS3660-M16 Series Fan-Cooled Bidirectional On-Board Charger & DC-DC Converter
Basic Properties
Country Of Origin
China
Brand Name
CTS
Certificate
Declaration of Conformity/CE
PRODUCT MODEL
Fan-Cooled Bidirectional On-Board Charger & DC-DC Converter
Trading Properties
MOQ
2
Payment Method
L/C,D/A,T/T
Supply Capacity
5000pcs/month
Product Summary
Fan-cooled bidirectional OBC plus DC-DC in one assembly. Up to 3.0kW charging, 1.8kW 14V auxiliary output, 90-290VAC input, active PFC, CAN and bootloader support. Potted boards, IP67 design, hardware/software protection. Multiple voltage configurations available.
Product Details
Highlight:
fan-cooled bidirectional on-board charger
,M16 on-board charger converter
,bidirectional DC-DC converter
Communication:
CAN
Chargingpower:
3.3kW To 7.2kW
Input Voltage:
AC 90V ~ 264V
Charging Efficiency:
≥ 93%
Protectionfeatures:
Overvoltage, Overcurrent, Short Circuit, Overtemperature
Outputcurrent:
Up To 32A
Mounting Type:
Under The Hood / Inside Vehicle
Inputfrequency:
50-60Hz
Protect Rating:
IP67
Power Factor:
≥0.98
Operatingtemperaturerange:
-40°C To 85°C
Communication Protocol:
CAN
Chargingefficiency:
≥ 90%
Supported Battery Voltage:
48VDC / 60VDC / 72VDC
Maximum Input Current:
12A
Product Description
CTS3660-M16 Series · Bidirectional 2-in-1 Assembly
Fan-Cooled Bidirectional On-Board Charger & DC-DC Converter
Bidirectional charging technology and 14V auxiliary power in one integrated assembly.
The CTS3660-M16 Series combines a bidirectional on-board charger with an integrated DC-DC converter. Featuring 90–290VAC input, listed charging power up to 3.0kW and DC-DC output up to 1.8kW, it provides four configurations for different battery voltage requirements.
90–290VAC AC input range
Up to 3.0kW Listed OBC charging power
Up to 1.8kW DC-DC output power
14VDC Auxiliary output voltage
Product Overview
Integrate Bidirectional Charging and Auxiliary Power
The CTS3660-M16 brings a bidirectional on-board charger and a DC-DC converter together in one fan-cooled assembly. The charging section supports the high-voltage battery system, while the DC-DC section provides 14V auxiliary output.
The design incorporates circuit-board potting, independently mounted magnetic components and fully digital control. CAN communication, bootloader support and software parameter adjustment assist integration and maintenance.
Contact CTS to confirm supported bidirectional operating modes, reverse power ratings and interface requirements for your project.
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
Fully digital control, active power factor correction and 90–290VAC input support power-system integration.
Hardware and Software Protection
Protection at both hardware and software levels supports operation within the specified application conditions.
CAN and Bootloader Support
CAN communication and bootloader functionality assist integration and firmware maintenance. Supporting software enables parameter adjustment.
Fan-Cooled Construction
Fan cooling supports heat dissipation. The specification describes support for an IP67 assembly design, subject to final sealing, connectors and installation.
Technical Specifications
Select Your Voltage and Auxiliary Power Configuration
All listed models specify 90–290VAC input. OBC charging power, high-voltage output range and DC-DC rating vary by model.
| Model | AC Input | OBC Power | HV Output | HV Output Range | DC-DC Power | LV Output |
|---|---|---|---|---|---|---|
| CTS3662-M16-XX | 90–290VAC | 3.0kW | 360V / 10A | 250–450VDC | 1.8kW | 14V / 128A |
| CTS3663-M16-XX | 90–290VAC | 1.5kW | 144V / 22A | 100–180VDC | 1.8kW | 14V / 128A |
| CTS3664-M16-XX | 90–290VAC | 1.5kW | 108V / 30A | 80–140VDC | 1.8kW | 14V / 128A |
| CTS3665-M16-XX | 90–290VAC | 1.5kW | 72V / 45A | 50–100VDC | 1.2kW | 14V / 85A |
Values are reproduced from the supplied specification. Listed voltage, current and power values should not be assumed to be simultaneously available. Reverse-operation ratings are not specified in this table; request confirmation from CTS.
Product TypeBidirectional OBC + DC-DC assembly
Cooling MethodFan 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, required operating modes and auxiliary loads for technical review.
Contact Technical Sales →What does the CTS3660-M16 integrate?
It combines a fan-cooled bidirectional on-board charger and a DC-DC converter in one assembly, with 14V auxiliary output.
What charging power ratings are listed?
The supplied table lists 3.0kW for CTS3662-M16-XX and 1.5kW for the other three models. Confirm final charging ratings and current limits before ordering.
Which models provide 1.8kW DC-DC output?
CTS3662-M16-XX, CTS3663-M16-XX and CTS3664-M16-XX list 1.8kW at 14V/128A. CTS3665-M16-XX lists 1.2kW at 14V/85A.
What bidirectional operating modes are available?
The product is identified as bidirectional in the supplied specification. Contact CTS to confirm supported operating modes, reverse output voltage, power ratings and control requirements.
Does it support CAN communication?
Yes. The specification lists CAN communication, bootloader support and software parameter adjustment. Request protocol documentation for system compatibility review.
Does the design support an IP67 assembly?
The specification describes support for IP67 assembly design. Confirm final protection, sealing and installation requirements for the supplied configuration.
Start Your Project
Discuss Your Bidirectional Charging Requirements
Looking for a fan-cooled bidirectional OBC with integrated DC-DC conversion? Send your project 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 bidirectional operating modes
- Reverse voltage and power requirements
- Required 14V auxiliary output current
- Installation space and airflow conditions
- CAN protocol and controller requirements
- Estimated quantity and project schedule
