STMicroelectronics

L6391DTR

The L6391DTR is a high-performance motor driver and microcontroller in a single chip by STMicroelectronics. It is designed for use in brushless DC motor control applications, such as robotics, industrial control, and automotive systems.

Description:

The L6391DTR is a highly integrated motor driver and microcontroller that combines a 32-bit ARM Cortex-M0 processor with a three-phase motor control peripheral. It features a high level of integration, with all the necessary components for motor control, including power MOSFETs, protection circuits, and communication interfaces, integrated into a single chip.

Features:

1. 32-bit ARM Cortex-M0 processor with 512 kB of flash memory and 64 kB of RAM.
2. Three-phase motor control peripheral with a maximum output current of 3 A per phase.
3. Integrated power MOSFETs for direct motor control.
4. Advanced protection features, including overcurrent, overvoltage, and thermal shutdown protection.
5. Communication interfaces, including SPI, UART, and I2C.
6. PWM frequency up to 50 kHz.
7. High efficiency, with a typical efficiency of 94%.
8. Small package size, with a 5x5 mm QFN package.

Applications:

The L6391DTR is suitable for a wide range of applications that require precise control of brushless DC motors, including:

1. Robotics, including industrial robots, drones, and autonomous vehicles.
2. Industrial control systems, such as conveyor systems and CNC machines.
3. Automotive systems, such as electric power steering and window lift systems.
4. Medical equipment, such as motorized beds and diagnostic equipment.
5. Consumer products, such as vacuum cleaners and power tools.

Overall, the L6391DTR is a highly versatile and powerful motor driver and microcontroller that offers precise control and high efficiency for a wide range of motor control applications.