L6219DSA13TR Integrated Circuits (ICs)

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L6219DSA13TR is a 3-phase Motor Driver and Controller which is manufactured by STMicroelectronics. It is a low-cost and compact controller ideal for controlling DC, Brushless DC (BLDC) and Step Motor applications in a wide range of industrial, commercial and automotive applications. The L6219DSA13TR is a three-phase motor driver that features a unique dual-current sensing (DCS) technique combined with integrated dynamic current control (DCC) to enable smooth and reliable motor control. This driver enables the generation of complex motor control algorithms, enabling a wide variety of machines to be controlled with minimal design effort.

The L6219DSA13TR offers a range of integrated features, including a smart programmable integrated PWM controller, current and power limiting, a Hall effect sensor interface, and a powerful DSP subsystem. These features make the device suitable for a number of applications, such as BLDC and stepper motor control, motor speed and position control, HVAC fan speed control, and automotive actuation.

The L6219DSA13TR supports both open loop and closed loop motor control operations. In open loop mode, the current and power limit can be set to enable the user to tailor the performance of the motor by setting an appropriate torque limit. In closed loop mode, the Hall effect sensor is used to detect changes in the rotor position, allowing the application to accurately control the motor speed and position. The integrated current sensing and the dynamic control system enable smooth and accurate control of the motor operation.

The L6219DSA13TR is designed to operate with both 7V to 40V DC and 13V to 40V AC supply voltages, providing a wide usable range for numerous applications. It provides a variety of interfaces to allow easy integration into user applications, such as SPI, I2C and UART. The device is also manufactured with a SOIC-8 package for compact implementations.

The working principle of the L6219DSA13TR is based on Advanced Hall-Effect Derived Speed Control. The device measures the rotor position by evaluating the Hall sensor signals placed in a three-phase brushless DC motor, and uses this information to precisely control the motor’s output power and current. This enables accurate motor control by allowing users to achieve desired motor speed, torque and acceleration rate without the need for additional hardware or specialized software.

In addition, the L6219DSA13TR features integrated dynamic current control (DCC) which ensures that the motor current limit is accurately met. This ensures that the motor is always driven smoothly and efficiently, while reducing the impact of dynamic current changes. The device also integrates a DAC module which allows users to dynamically adjust the minimum and maximum current limits, as well as the PWM duty cycle, with adjustable resolution.

Overall, the L6219DSA13TR is a powerful and versatile motor driver and controller that is perfect for a variety of industrial, commercial and automotive applications. Its range of integrated features and powerful DSP subsystem make it well-suited for controlling DC, Brushless DC (BLDC) and Step Motors, enabling users to develop complex motor control algorithms with minimal effort.

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