U211B-MFPG3

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Power management ICs (PMICs) are integrated circuits (ICs) that integrate all power management components including power switches, shift-registers, linear regulators, battery charging, and other low-power circuitry into single devices. PMICs provide an easy way to manage the power supply for a variety of applications, including motor drivers, controllers, and other consumer electronics. The U211B-MFPG3 is a PMIC designed for small motor applications, providing a complete motor driver and controller solution.

The U211B-MFPG3 integrates a variety of features necessary for small motor control, including a single-phase motor driver, integrated motor controller, digital speed control, and a dual-channel motor current sensing circuit. The motor driver supports up to 5A of continuous current and 8A of peak current drive and can be configured to drive either unipolar or bipolar stepper motors. The integrated motor controller provides a user-programmable P, I, and D coefficients to achieve optimized motor control performance and includes separate control inputs for speed and direction. The digital speed control allows for adjustable speed operation with 0-100k RPM range and is suitable for fan, blower, hydraulic pump, and other small motor applications.

The dual channel motor current sensing circuit is a key feature of the U211B- MFPG3, allowing for both input and output current monitoring. This allows the device to accurately monitor the motor current and feed the data back to the motor controller for precise speed control and fault protection. The motor current sensing circuit also provides a thermal protection feature which automatically shuts down the motor when it exceeds a user-defined temperature.

The U211B-MFPG3 is also capable of generating complementary PWM drive signals for DC and stepper motors, making it a versatile solution for a wide range of applications. It is designed to be easily integrated into a variety of motor control systems and supports direct digital interface with microcontrollers. The device is available in HVQFN-28, SSOP-28, and SOIC-28 packages, allowing designers to choose the most appropriate package for their application.

In conclusion, the U211B-MFPG3 is a PMIC designed for small motor control applications. It integrates various functions necessary for motor control including a motor driver, controller, speed control, and dual-channel motor current sensing circuit, providing a complete and versatile solution for small motor control applications.

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