IRDM982-035MBTR

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IRDM982-035MBTR is a motor driver, controller, and power management integrated circuit (PMIC) designed to help optimize motor efficiency in both brushless (BLDC) and brushed DC (BDC) motors. It integrates three motor control functions, along with additional features to provide a compact yet powerful system. The controller is designed to be used in either a single- or multi-phase motor drive system, depending on the application.

The main function of the IRDM982-035MBTR is to convert brushless motor torque and speed into BLDC motors. BLDC motors use permanent magnets to create a magnetic field, allowing the motor to turn without generating excess heat. The controller takes a single phase or multi-phase input and generates three phase output, which is sent to the brushless motor thus driving it.

Other features of the IRSM982-035MBTR include:

• Current sensing – the controller\'s internal current measurement capabilities allows for separate measurements to be made of each phase current.
• Compatible with various digital and analog output methods, with the PWM controller\'s 5-bit status register and pulse combinations providing up to 32 distinct output types.
• Integrated over MOSFET drivers, meaning the current and voltage signals from the MCU are converted into the correct form and sent to the related drivers.
• All power stages are designed to be short-circuit capable, with the goal of preventing any catastrophic failure of the system.

The IRDM982-035MBTR is designed with three main operating principles in mind—time-based optimization, a state-based controller section to manage the speed of the motor, and a PWM-based control section that adjusts the output based on current measurements and speed changes.

The time-based optimization feature enables the controller to adjust the operating parameters of the motor in response to changes in the speed and/or load of the motor. This ensures that the motor runs at an optimal speed and with minimal power consumption, maximizing efficiency.

The state-based controller section helps keep the motor running at the desired speed by monitoring the output speed of the motor and automatically adjusting the operating parameters accordingly. This helps ensure that the motor does not suddenly accelerate or decelerate, minimizing the chance of sudden surges or drops in output.

Finally, the PWM-based control section is responsible for adjusting the motor\'s output based on current measurements and speed changes. This helps ensure that the motor is always running with the most efficient settings and that the motor does not exceed its rated current.

In conclusion, the IRDM982-035MBTR is a powerful motor driver, controller, and power management integrated circuit designed to offer users with a compact yet powerful solution for driving brushless (BLDC) and brushed DC (BDC) motors. It features several features that help optimize the efficiency of the motor and safeguard it against overloads and other external factors.

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