L6472PD

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Power management integrated circuits (PMICs) are a type of integrated circuits (ICs) designed to provide digital and analog signal processing, power switching and leveling, and electrical power management for electronic systems. Motors, controllers and drivers are a subset of PMICs, designed to provide the control and power delivery to facilitate motor movement. The L6472PD motor driver from STMicroelectronics is a motor control IC designed for these purposes.

The L6472PD is a dual high-power full-bridge motor driver designed for use in home appliance and industrial motor control applications, and is capable of driving up to three DC brushless motors, with 350mA continuous output current per phase, and 2A peak current per phase. It features dual full-bridge drivers with current sensing, a step sequencer and speed control, and provides protection against overcurrents and shorts. The L6472PD uses a power MOSFET configuration to increase the current and torque capability of the motor driver.

The L647zPD features an integrated pulse width modulated (PWM) control system, with two input channels to control the enable, direction, and speed of the motors. The PWM control system allows the driver to deliver precise speed control, and the dual bridge architecture allows for fast switching and high efficiency. The L647zPD also includes a power-on reset (POR) circuit, which will reset the motor driver to the default state when power is applied, ensuring that the motor driver is in a safe operating state.

The L647zPD can also be configured to operate in a step sequencing mode, allowing for precise speed and direction control of the motor. This mode allows for a simple and efficient way to control the motor, including speed, direction, and acceleration. The L647zPD also provides protection against overcurrents and shorts, using a combination of MOSFETs, current relays, and current-sensors.

The L647zPD is a versatile motor driver, with the ability to control both the speed and direction of motors. It features a PWM control system, integrated current sensing, and multiple protection features to provide protection against overcurrents and shorts. The step sequencing and speed control capabilities of the L647zPD make it an ideal choice for applications with demanding current and control requirements.

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