LB11870-TRM-E

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The LB11870-TRM-E is an advanced motor driver controller designed for PMIC applications. It provides precise current control, robust operation, and a wide range of system protection functions, making it suitable for various motor types such as DC brushed, brushless, linear and step-motor. The LB11870-TRM-E provides integrated circuit protection such as over-temperature, over-current, and over-voltage protection, as well as integrated control logic for closed loop current regulation.

The LB11870-TRM-E includes a built-in high-current Low-Side Driver (LSD) circuit to control the external MOSFETs. It also offers programmable current control with a precision of 0.5 percent, as well as adjustable maximum current and protection levels. In addition, the device offers a range of protection features such as current sensing, over/under-voltage, under-temperature and motor stall detection.

To further enhance system performance, the LB11870-TRM-E employs a unique adaptive mode control algorithm to provide the optimal amount of current for each application. This feature provides an efficient, reliable, and safe operation by automatically adjusting power and current to the motor, ensuring long-term stability. In addition, the device also offers PWM control, an external break-enable function, and self-protection functions.

The working principle of the LB11870-TRM-E is to control the enable input and the current sense input. The enable signal is connected to the external MOSFETs, and the current sense signal is used for monitoring the motor current. When the LB11870-TRM-E detects an over-current or over-temperature condition, it will immediately shut off the output and provide protection to the system. The device is designed to be used in conjunction with an external power stage to ensure the motor operates in a safe and efficient manner.

The LB11870-TRM-E is an advanced motor driver controller designed to provide superior performance in demanding industrial and commercial applications. It offers precision current control, robust operation, and a range of system control and protection features, making it suitable for a variety of motor types. With its integrated protection functions, reliable and safe operation, and adaptive mode control algorithm, the device provides superior system performance in demanding environments.

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