ST’s STSPIN32F0A is a SIP three-phase BLDC motor driver with three half-bridge gate drivers that drive power MOSFETs, drive currents up to 600mA, 32-bit ARM® Cortex®-M0 cores up to 48MHz, 4KB SRAM and 32KB Flash memory, operating voltage 6.7V-45V, internal DC/DC converter provides 3.3V for powering MCU and external components, and LDO linear regulator is used to power the gate driver, mainly used in intelligent manufacturing equipment, electric Tools, FAN and pumps, household appliances such as vacuum cleaners, hair dryers, air purifiers and coffee machines, as well as high-tech applications such as drones, educational/ home robots, balance rings. This article describes the main features of STSPIN32F0A, block diagrams and analog ICs. Block diagram, application case circuit diagram and evaluation board STEVAL-SPIN3202 main features, component map, circuit diagram and bill of materials. The STSPIN32F0A is a System-In-Package providing an integrated solution suitable for driving three-phase BLDC motors using different driving modes. Embeds a triple half-bridge gate driver able to drive power MOSFETs with a current capability of 600 mA (sink and source). The high- and low -side switches of same half-bridge cannot be simultaneous driven high thanks to an integrated interlocking function. An internal DC/DC buck converter provides the 3.3 V voltage suitable to supply both the MCU and external components. An internal LDO linear regulator provides the supply voltage for gate drivers. The integrated operational amp lifi ers are available for the signal conditioning, e.g. the current sensing across the shunt resistors. A comparator with a programmable threshold is integrated to perform the overcurrent protection. The integrated MCU (STM32F031C6 with extended temperature range, suffix 7 version) allows performing field-oriented control, the 6-step sensorless and other advanced driving algorithms. It has the write-protection and read-protection feature for the embedded Flash memory to protect against unwanted writing and/or reading. It is possible to download the firmware on-the-field through the serial interface thanks to the embedded bootloader. The STSPIN32F0A device also features overtemperature and undervoltage lockout protections and can be put in the standby mode to reduce the power consumption. The device provides 16 general-purpose I/O ports (GPIO) with the 5 V tolerant capability, one 12-bit analog-to-digital converter with up to 9 channels performing conversions in a single-shot or scan modes, 5 synchronizable general-purpose timers and supports an easy to use debugging serial interface (SWD).STSPIN32F0A:

• Extended operating voltage from 6.7 to 45 V

• Three-phase gate drivers − 600 mA sink/source − Integrated bootstrap diodes − Cross-conduction prevention

• 32-bit ARM® Cortex®-M0 core: − Up to 48 MHz clock frequency

− 4-kByte SRAM with HW parity − 32-kByte Flash memory with option bytes used for write/readout protection − Availability FW bootloader

• 3.3. V DC/DC buck converter regulator with overcurrent, short-circuit, and thermal protection

• 12 V LDO linear regulator with thermal protection

• 16 general-purpose I/O ports (GPIO)

• 5 general-purpose timers

• 12-bit ADC converter (up to 9 channels)

• I2C, USART and SPI interfaces

• 3 rail-to-rail operation amplifiers for signal conditioning

• Comparator for overcurrent protection with programmable threshold

• Standby mode for low power consumption

• UVLO protection on each power supply: − VM, VDD, VREG and VBOOTx

• On-chip debug support via SWD

• Extended temperature range: -40 to +125

• Smart manufacturing equipment

• Power tools, FANs and pumps

• Home appliances: vacuum cleaners, hand/hair dryers, air purifiers and coffee machines

• High-tech applications such as: drones, gimbals, educational/home robotsST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_0.png

The STEVAL-SPIN3202 three-phase brushless DC motor driver board is an evaluation board based on the STSPIN32F0A and STD140N6F7 MOSFETs. It provides an affordable and easy-to-use solution for the implementation of low voltage motor driving applications. The board is designed for sensored or sensorless vector control – FOC and six-step algorithms with single shunt sensing.

STEVAL-SPIN3202:Input voltage from 7V to 45V Output current up to 15 ArmsPower stage based on STD140N6F7 MOSFETs Embedded 3.3 V buck regulator Embedded 12 V LDO regulator Single shunt current sensing Digital Hall sensors and encoder input Overcurrent comparator Bus voltage sensing Fully compatible with STM32 PMSM FOC software development kit 6-step sensorless and sensored firmware supported Embedded ST-LINK/V2-1 Easy user interface with buttons and trimmer STM32 FW boot loader supported RoHS compliant Image ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_3.jpg
4. Evaluation board STEVAL-SPIN3202 outline drawing ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_4.png
Figure 5. Evaluation board STEVAL-SPIN3202 component distribution diagram ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_5.png
Figure 6. Evaluation board STEVAL-SPIN3202 circuit diagram (1) ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_6.png
Figure 7. Evaluation board STEVAL-SPIN3202 circuit diagram (2) ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_7.png
Figure 8. Evaluation Board STEVAL-SPIN3202 circuit diagram (3) ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_8.png
Figure 9. Evaluation board STEVAL-SPIN3202 circuit diagram (4) Evaluation board STEVAL-SPIN3202 material list: For ST_STSPIN32F0A_three-phase_BLDC_motor_drive_solution_9.png
details, please see: Document/datasheet/group3/3d/88/0f/d1/3f/0c/49/80/DM00406030/files/DM00406030.pdf/jcr:content/translations/en.DM00406030.pdf

and /group0/a8/b5/5b/fd /00/77/42/cc/DM00428288/files/DM00428288.pdf/jcr:content/translations/en.DM00428288.pdf

and /ccc/resource/technical/layouts_and_diagrams/schematic_pack/group0/a9/20/bf/a8/9b/aa/43/2b/STEVAL-SPIN3202_schematics/files/steval-spin3202_schematic.pdf/jcr:content/translations/en.steval -spin3202_schematic.pdf