X-STM32MP-RBT01 X-STM32MP expansion board for robotics applications

The X-STM32MP-RBT01 is an MPU expansion board with STSPIN948 motor driver IC for brushed DC motors. Using two STSPIN948 devices, the board can drive four DC motors simultaneously with up to 48 V power supply.

The power rating of the board is 480 Watts at 48 V dc voltage rating with each of the four DC motor consuming a maximum 2.5 A current.

The X-STM32MP-RBT01 interfaces with the STM32MP microprocessor via 40-pin GPIO connector pins using I2C, UART, PWM, and GPIO connections for various components. It is compatible with both STM32MP157F-DK2, STM32MP257F-DK and Raspberry Pi’s GPIO connector layout.

The STSPIN948 is a 4.5 A dual full-bridge driver for brushed DC motors. The power stage is designed with high dynamic performance, allowing to achieve high frequency PWM control with precise duty-cycle.

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