STMicroelectronics STSPIN32F0B
STSPIN32F0B - Advanced single shunt BLDC controller with embedded STM32 MCU
The STSPIN32F0B is a System-In-Package providing an integrated solution suitable for driving three-phase brushless motors using different driving modes.
It 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 simultaneously 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 amplifier is available for the signal conditioning, e.g. the current sensing across the shunt resistor.
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 fieldoriented 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 STSPIN32F0B device also features overtemperature and undervoltage lockout protections and can be put in the standby mode to reduce the power consumption. The device provides 20 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).
Features
- 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
- Bootloader FW available
- 3.3. V DC/DC buck converter regulator with overcurrent, short-circuit, and thermal protection
- 12 V LDO linear regulator with thermal protection
- 20 general-purpose I/O ports (GPIO)
- 5 general-purpose timers
- 12-bit ADC converter (up to 9 channels)
- I2C, USART and SPI interfaces
- One rail-to-rail operational amplifier for signal conditioning
- Comparator for overcurrent protection with programmable threshold
- Standby mode for low power consumption
- UVLO protection on each power supply:
- On-chip debug support via SWD
- Extended temperature range: -40 to +125 °C
STEVAL-PTOOL1V1 - Compact reference design for low voltage brushless power tools based on STSPIN32F0B
This STEVAL-PTOOL1V1 compact 70 mm x 30 mm reference design board is tailored for low voltage power tools driven by 3-phase brushless motors, supplied by 2S to 6S batteries. The design is based on the STSPIN32F0B controller and STL180N6F7 (or STL220N6F7) power MOSFET.
The board is ready, and can be configured for 6-step sensorless with few hardware modifications.
The board can deliver up to 15 A continuous current, thanks also to the optimal thermal dissipation provided by an embedded heatsink. It embeds a fast power-on circuit that connects and disconnects the battery, allowing standby consumption below 1 μA for extended battery duration. Several protection features are included, such as thermal shutdown, undervoltage lockout, overcurrent protection with programmable threshold and reverse biasing of power stage outputs.
The firmware examples included in X-CUBE-MCPKG001 are based on STM32 Motor Control SDK (X-CUBE-MCSDK) enabling all the features of the board, included the low quiescent standby mode.
This reference design is predominately intended for power tools, but is very suitable for any battery-powered application involving similar architecture, rating and performance. A potentiometer input for speed variation is available.
Features
- 7 - 45 V motor voltage rating supported
- Recommended for power tools supplied from 2S to 6S batteries
- Output current up to 15 Arms
- STSPIN32F0B advanced 3-phase motor controller tailored for single-shunt applications
- STL180N6F7 60 V, 1.9 mΩ N-channel power MOSFET
- Ultra-low standby current below 1µA thanks to an external turn-on/off trigger
- Heat sink for improved power dissipation
- Extremely compact footprint (70 mm x 30 mm)
- Input connector for Hall effect sensors and encoder
- Plug-and-play capability through 6-step firmware with Hall effect sensor feedback
- Speed regulation through an external trimmer
- Protections: thermal shutdown, UVLO, overcurrent and reverse biasing of power stage outputs
- SWD debug interface and direct firmware update (DFU) via UART
STEVAL-SPIN3204 - Six-step brushless motor driver evaluation board for applications based on the STSPIN32F0B BLDC controller
The STEVAL-SPIN3204 three-phase brushless DC motor driver board is based on the STSPIN32F0B 3-phase BLDC controller with triple half-bridge gate driver, single shunt resistor current sensing topology and programmable overcurrent protection.
The motor controller system-in-package includes an STM32F031C6 microcontroller ready to execute 6-step, field oriented control (FOC) and other advanced driving algorithms in the firmware, which can be downloaded onto the chip flash memory via the board USB port.
The board is designed to help you test and develop motor control designs for applications such as power tools, home appliances, fans and pumps, with a flexible evaluation platform that even allows you to toggle between external sensor and sensorless position feedback data methods.
Features
- Input voltage from 7 to 45 V
- Output current up to 15 ARMS
- Power stage based on STD140N6F7 MOSFET
- 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
- Embedded ST-LINK/V2-1
- Easy user interface with buttons and trimmer
- RoHS and WEEE compliant
silica content library/npi/2024/stmicroelectronics-stspin32f0b
STMicroelectronics STSPIN32F0B Advanced single shunt BLDC controller | Avnet Silica
