Lingdong Micro: Launches the Next-Generation Motor-Specific Main Control Chip MM32SPIN0260
We pay tribute to relentless “professionalism” with solid “innovation.” In the motor drive field, the market’s demand for a comprehensive blend of high performance, high stability, and cost optimization is steadily increasing—simple functional stacking can no longer meet these needs. True technological breakthroughs stem from a deep commitment to “professionalism” and an unwavering dedication to “innovation.” In response to this trend, Lingdong Microelectronics has launched its next-generation motor-specific main control chip—the MM32SPIN0260. This chip is not only an innovative product; it also represents Lingdong Microelectronics’ profound understanding of motor control technology and its ongoing R&D efforts. Lingdong Microelectronics looks forward to partnering with its collaborators to jointly embrace an intelligent future, powered by cost‑effective solutions.
Powerful kernel, accelerated computing power.
· A 32-bit microcontroller powered by an Arm® Cortex®-M0+ core, with a main frequency of up to 96 MHz, delivering ample processing power.
· Equipped with a 32-bit hardware divider, a hardware square root unit, and DMA, this device is specifically optimized for motor control algorithms, significantly boosting computational efficiency.
· Employs industry‑leading, high‑reliability storage technology paired with ECC to provide double protection for every single bit, ensuring stable and reliable system operation.
Rich peripherals, iterative upgrades
· High‑precision analog front end ：
A 2‑channel, 12‑bit, 1 Msps ADC with up to 17 external channels is available, meeting the requirements for synchronous sampling of multiple signals. It supports single‑shot, single‑cycle, and continuous scan conversions. It also supports DMA operations, significantly reducing the CPU load and ensuring real‑time performance. Built-in high-precision SCVREF ensures ADC conversion accuracy.
A 4‑channel operational amplifier (OPA/PGA), where the input and output of each operational amplifier are connected to I/O pins, allowing connection to ADCs and comparators via shared I/O. It supports configuration in programmable gain amplifier (PGA) mode, eliminating the need for external discrete amplification circuits. This not only saves PCB space and material costs but also reduces noise, drift, and matching issues caused by external components and poor PCB layout, thereby enhancing the overall system reliability.
Channel 2 analog comparator (COMP) can be used independently—outputting results to the I/O port—or combined with a timer to form hardware-level protection circuits (such as rapid braking) or to implement precise cycle‑by‑cycle current control, significantly enhancing the real‑time performance and reliability of applications such as motor drives.
· Flexible Timing Control ：
1 x 16-bit, 4-channel advanced control timer (with PWM output, hardware phase shifting, dead-time generation, and emergency braking) + 1 x 32-bit general-purpose timer + 3 x 16-bit basic timers, specifically designed for motor drives to provide precise control over speed, torque, and more, compatible with a variety of motor types including brushless, brushed, and stepper motors.
· Complete communication interfaces ：
Three USART interfaces—supporting SPI mode and IrDA infrared functionality, and compatible with serial port displays and Bluetooth modules—fully meet the needs of motor control systems for peripheral connectivity, debugging, and industry‑specific communication.
1 I2C interface (supports 100 Kbps standard mode / 400 Kbps fast mode, 7/10‑bit addressing, compatible with sensors and EEPROM), enabling multi‑device interconnection.
Precise positioning, wide applicability
· The MM32SPIN0260 focuses on single-motor control (+PFC control) and is suitable for a wide range of applications, including robot joint motors, high‑speed hair dryers, air conditioners, refrigerators, washing machines, electric bicycles, balancing scooters, water pumps, and more, providing a reliable core for efficient motor drives.
Product Selection Table
Lingdong Microelectronics provides comprehensive development support for the MM32SPIN0260.
MiniBoard Evaluation Board (Model: MM32SPIN0260D6PV)
USB Type-C port (supports serial port printing and debugging)
SWD Debug Interface
User LED, buttons, EEPROM, Flash, and other peripheral resources
Adjustable potentiometer for easy signal simulation.
Motor-DK (Model: MM32SPIN0260D6P)
· Input voltage range: 12V–30V (low-voltage baseboard) / Input voltage range: 220V AC (high-voltage baseboard)
· Use 60V/40A N-MOSFETs (low-voltage baseplate) / IPM specification: 500V/5A (high-voltage baseplate)
· Built-in high-speed operational amplifiers x4, configurable as PGAs.
· The MCU is powered by 5V.
· Supports Hall‑free, square wave/sine wave drive.
· Supports 1/2/3 Shunt R Three-Phase Current Sampling
· Supports BEMF voltage sampling
· Supports DC bus voltage and total current measurement.
· Use the MCU’s built‑in analog comparator as overcurrent protection.
Software Resource Support
In addition to hardware development tools, Lingdong Microelectronics also offers a comprehensive library of function calls and an extensive library of motor control algorithms. The function library covers all peripheral features of the chip, simplifying the code‑writing process; the motor control algorithm library includes commonly used algorithms such as single‑resistor FOC, dual‑resistor FOC, and sensorless square wave control. Developers can call these algorithms directly to quickly achieve high‑performance motor control, significantly reducing both the complexity and the time required for software development.
Continuously innovate and jointly embrace a smart future.
Lingdong Microelectronics takes the MM32SPIN0260 as a new starting point and will continue to strengthen its technological foundation and drive product innovation, delivering higher‑performance, more reliable, and cost‑effective solutions for the motor control field. Lingdong Microelectronics looks forward to working hand in hand with you to jointly advance industrial progress and realize value amid the surging tide of intelligent manufacturing.
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