STMicroelectronics STEVAL-CTM011V1

Overview

STEVAL-CTM011V1 from STMicroelectronics is an evaluation board for three-phase inverter motor control, built around the STSPIN32F0601Q intelligent controller (Arm® Cortex®-M0 MCU + 600 V gate driver) and STGD5H60DF 600 V/5 A IGBTs. It delivers >96.5% inverter efficiency at 3000 rpm, supports sensorless field-oriented control (FOC) in one-shunt or 2+1 shunt topology, and targets 250 W compressor applications with mains input.

For engineers reviewing the STEVAL-CTM011V1 datasheet, STEVAL-CTM011V1 pinout, STEVAL-CTM011V1 application, or STEVAL-CTM011V1 equivalent, this board enables rapid validation of PMSM/BLDC motor drives using X-CUBE-MCSDK firmware, STM32CubeIDE toolchain, and B-STLINK-ISOL debugging - with on-board +15 V/+3.3 V power generation via VIPER122 buck converter.

Technical Context

The board implements a complete 250 W three-phase inverter system with integrated control and power stages. The STSPIN32F0601Q provides embedded motor control logic, six PWM outputs, analog signal conditioning, and fault protection, while the STGD5H60DF IGBTs deliver high-speed switching with trench-gate field-stop technology.

Power conversion includes EMI-filtered AC input, bridge rectification, bulk capacitance, and a VIPER122-based buck regulator generating isolated +15 V (gate drive) and +3.3 V (MCU/firmware). Sensorless FOC execution uses ADC inputs (ADC_PHASE_U/V), current sensing via configurable shunts (SR1–SR3), and real-time computation on the Cortex-M0 core.

Key Specifications

Availability

STEVAL-CTM011V1 is available at Aetrix Electronics and suitable for refrigerator compressor development, industrial pump control, HVAC fan drives, and BLDC motor prototyping requiring stable component supply and validated reference firmware.

Supply support for STEVAL-CTM011V1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, analog ICs, and MEMS sensors for automotive, industrial, and consumer markets.

This board belongs to ST's Motor Control Evaluation Platform product line, engineered to accelerate adoption of advanced FOC algorithms in cost-sensitive, high-volume appliance motor systems.

FAQ

What firmware is preloaded or supported on the STEVAL-CTM011V1?

The board does not ship with preloaded firmware but is fully compatible with STSW-CTM011 - a dedicated firmware example for compressor motors - and the broader X-CUBE-MCSDK motor control suite. Firmware is compiled and flashed via STM32CubeIDE using the onboard SWD interface and B-STLINK-ISOL debugger.

Can the STEVAL-CTM011V1 drive both PMSM and BLDC motors?

Yes - the board supports both permanent magnet synchronous motors (PMSMs) and brushless DC (BLDC) motors through its sensorless FOC firmware. The control algorithm adapts to back-EMF characteristics and commutation timing, enabling seamless operation across motor types within the 250 W power range.

What are the key hardware configuration options for current sensing?

Current sensing is configurable via shunt resistor population: default one-shunt mode shorts SR1/SR2; populating SR1, SR2, and SR3 enables 2+1 shunt topology. This selection directly affects ADC channel routing, software calibration, and phase current reconstruction accuracy in the FOC loop.

Does the board include isolation between control and power domains?

Yes - galvanic isolation is implemented via PC817 optocouplers for PWM signals and feedback paths, and the VIPER122 buck converter provides isolated +15 V and +3.3 V rails. This ensures safe debugging, reliable fault signaling, and compliance with IEC 61800-5-1 functional safety requirements for motor drives.