Integrated Controller BLDC Motors- Suzhou Retek Electric Technology Co., Ltd.

Mechatronic Integration: BLDC Motor with Embedded Drive System

The integrated controller BLDC motor, also known as a mechatronic drive, represents a paradigm shift toward decentralized control in automation. The entire power and logic stage is enclosed within the motor housing or the rear endcap.

This architecture eliminates the complexity and cost of shielded cabling and external cabinet space. The controller hardware, often a specialized MOSFET bridge, is mounted to utilize the motor's metal frame as a passive heat sink, which requires precise thermal coupling. The embedded firmware is pre-calibrated to the specific motor's back-EMF profile, ensuring optimal commutation timing across all operating conditions and significantly increasing system efficiency compared to generic, externally parameterized drives.

Advanced features include internal position counting, closed-loop speed control, and multi-protocol communication (e.g., Industrial Ethernet, CANopen) integrated onto the single PCB.

Introduction

Detailed Parameters and Performance Data

RETEK: Enabling Distributed Intelligence in Motion Control

Suzhou Retek Electric Technology Co., Ltd. views motion control as a system, not just a component. Our integrated controller series (W70, EC fan motor) provides our customers with "smart power" solutions. This is particularly advantageous for large-scale distributed systems, such as building automation (HVAC) and remote energy installations (Solar Panel systems). By providing dual-voltage compatibility (230VAC/12VDC into one drive), we offer a highly flexible solution, reducing inventory and simplifying global deployment for our OEM partners.

Applications

Advanced Technology Highlights

Decentralized Systems and Implementation Scenarios

Building Automation and HVAC: EC fan motors for roof air ventilators and air handling units, where the integrated controller enables constant airflow control and direct communication with a Building Management System (BMS). Challenge: High reliability and long life for continuous, unattended operation.
Remote Power Applications: Pumps and actuators in off-grid solar or telecommunication sites (e.g., W70 Series with metal shell). The dual-voltage drive allows seamless transition between solar DC power and generator/grid AC power. Challenge: Extreme temperature fluctuations and high IP requirements.
Modular Machine Design: Conveyor segments or pick-and-place stations that are easily reconfigured. The integrated drive allows for rapid plug-and-play installation without external cabinet wiring.
Medical Infusion Pumps: Requiring precise, quiet motor control where the compact, integrated design simplifies portable system assembly.

Technical Specifications

Industrial & Commercial Usage

Technical Parameters

Parameter	Range / Typical Value	Unit
Integrated Power Rating	Up to 1.5	kW
Input Voltage Versatility	12-48 VDC / 100-240 VAC	V/VAC
Fieldbus Compatibility	CANopen, RS485, Modbus RTU	Protocol
Feedback Integration	Internal Hall/Encoder or Sensorless	Method
Temperature Rating (Ambient)	-30 to +60	°C
Safety Features	STOS, STO (Safe Torque Off) ready	Standard

Additional Information

Supplementary Details & Notes

Integrated Production and Customization Workflow

Our production includes automated testing of the controller-motor interface, verifying current ripple, thermal behavior, and communication integrity across the full load range. This simultaneous testing ensures the integrated system is validated as a whole.

Fieldbus/Protocol Implementation: Customizing the communication stack to support non-standard baud rates or specific data payload formats required by the client’s industrial network.
Custom I/O Configuration: Modifying the digital and analog input/output configuration for interfacing with external limit switches, potentiometers, or safety circuits.
Software Parameter Locking: Offering services to lock specific motor parameters in the firmware (e.g., speed limit, max current) to protect the end-system from unauthorized adjustment or misuse.
Integrated Braking: Due to space constraints, integrated motors often use a dynamic braking circuit within the controller instead of an external mechanical brake. We can tailor the dynamic braking rate.

Service & Support

Technical Advantages and Core Design Features

Reduced System BOM and Wiring Cost: Eliminates external drive units, specialized shielded cables, and complex cable routing, significantly lowering installation time and material costs.
Optimal Thermal Coupling: Direct thermal contact between the power electronics (MOSFETs) and the motor housing ensures the most effective heat transfer, improving controller lifespan.
Superior EMC/EMI Performance: Short, optimized internal power tracks minimize electromagnetic emissions compared to long external cable runs.
Highly Versatile Power Input: Proprietary dual-voltage control logic enables a single product SKU to function globally across both AC mains and common DC battery/solar supplies.
Decentralized Diagnostic Data: The on-board controller provides local status and diagnostic feedback via the fieldbus, enabling faster troubleshooting in large networks.

Frequently Asked Questions

Common Inquiries Regarding Integrated Controller Motors

Q: What happens if the controller component fails in an integrated motor?
A: The entire mechatronic unit must typically be replaced. However, the lifespan of the electronics is engineered to match or exceed the motor's mechanical life, using components with high Mean Time Between Failures (MTBF) and robust protection features.

Q: How do integrated EC fan motors achieve constant airflow?
A: The integrated controller uses an internal or external pressure/flow sensor feedback loop. The controller continuously adjusts the motor speed to maintain a target airflow setpoint, compensating automatically for filter clogging or changes in duct pressure.

Q: Can the communication protocol (e.g., CAN) be customized?
A: Yes. We can modify the firmware to implement specific CANopen object dictionaries or proprietary communication commands to seamlessly integrate with a client's specific control host.

Resources

Advanced Material Selection Guide

Controller PCB: Utilizes high-temperature FR4 or metal core PCBs (MCPCBs) to improve thermal management of the power components.

Gasketing/Sealing: High-performance silicone or EPDM gaskets are used for the endcap seal to maintain the specified IP rating against moisture and dust ingress, particularly for outdoor or washdown applications.

Cable Strain Relief: Robust cable glands (e.g., M-type) with high retention forces are used to prevent cable pull-out or damage at the motor interface.

About Suzhou Retek Electric Technology Co., Ltd.

Unlike other motor suppliers, Retek engineering system prevents the selling of our motors and components by catalogue as every model is customized for our customers. The customers are assured that every component they receive from Retek is designed with their exact specifications in mind. Our total solutions are a combination of our innovation and a close working partnership with our customers and suppliers.

As China Integrated Controller BLDC Motors Manufacturers and Wholesale Integrated Controller BLDC Motors OEM/ODM Suppliers, Retek business consists of three platforms: Motors, Die-Casting and CNC manufacturing and wire harness. Retek products are widely supplied for residential fans, vents, boats, airplanes, medical facilities, laboratory facilities, trucks and other automotive machines.

Welcome to send us an RFQ, it is believed you will get the best cost-effective products and services here!

Customized Solutions

Quality Assurance

Global Export

Suzhou Retek Electric Technology Co., Ltd.

Recommended LINS

Brushless DC Motor with Integrated Controller High Torque Brushless DC Motors Low Cogging Brushless DC Motors Outrunner Brushless Motors Compact DC Brushless Motors Low Voltage Brushless DC Motors (24VDC) High Power Brushless DC Motors Planetary Geared Brushless Dc Motor BL42 42mm BLDC Geared Motor

Message Feedback