STMicro’s STSPIN Modules for High-Performing Motor Drivers Serve MikroElektronika Fusion for Arm Ecosystem

October 14, 2019 Alix Paultre

STMicroelectronics in collaboration with MikroElektronika are creating four “Click boards” to extend STSPIN motor drivers for STM32-based designs to users of MikroElektronika prototyping boards, as well as other systems containing a mikroBUS socket. The devices integrate advanced control features, a protected output stage, and safety functions including non-dissipative over-current protection in a small footprint. Mounted on the plug-and-play click boards, the motor drivers are ready to use without any hardware configuration.

The STSPIN220 Click board contains the STSPIN220 IC, a 10V stepper driver with 256-microstep resolution. Delivered in a 3mm x 3mm QFN package, it has a standby current of 10nA (typical) and can deliver up to 1.3A to drive the motor with PWM current control through each of the two on-chip 0.4Ω H-bridges. The board also features the 3mm x 3mm STSPIN250 high-current DC brush motor driver, suitable for motor voltages from 1.8V to 10V and capable of supplying up to 2.6A through 0.2Ω on-resistance H-bridges, with a standby current of 10nA (typical).

Along with the 3mm x 3mm STSPIN233, which contains three half bridges with independent input and enable pins and supports 3-shunt sensing, the board is ready for 1.8V-10V motor operation. Three STSPIN Click boards are available now and the STSPIN233 version will follow later in Q4 2019, all priced from $14.00 each.

Learn more at www.st.com.

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