SLA7073MPR

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Power Management ICs (PMICs) - Motor Drivers, Controllers

Power Management ICs (PMICs) are integrated circuits that are used to provide power management and energy conversion in embedded systems. PMICs provide efficient and reliable power management of various kinds of loads and systems. They are used in a variety of applications such as energy conversion and control, power delivery and management, global utilization of energy, and energy storage. This article focuses on the application field and working principle of the SLA7073MPR, a PMIC for motor driver, controller, and read/write protection.

Application Field of SLA7073MPR

The SLA7073MPR is primarily used as a motor driver and controller, as well as a read/write protection, in embedded systems. It supports an operating temperature range of -40℃ to 105℃ and is suitable for a wide range of commercial and industrial applications such as automatic household appliances, measurement instruments, and toys & games.

The SLA7073MPR is a single-chip, low-cost solution for driving one or two DC motors with adjustable current and speed control. It features high-efficiency power management, on-chip PWM signals for current control, multiple protection functions for safe and reliable operation, and a wide operating voltage range of 3V to 5V. It also supports independent voltage supply for logic elements and load elements.

The device is pin-to-pin compatible with the SLA7073MR and provides encoder feedback for precise speed and direction control. It also supports 2-wire or 4-wire interface, making it suitable for a wide range of motor control applications.

Working Principle of SLA7073MPR

The SLA7073MPR is used as a motor driver, controller, and read/write protection in embedded systems. It enables users to control the current of a motor by setting the duty cycle of the PWM signal. The PWM signal is generated by the internal PWM generator. The duty cycle is set using the control pins. The users can set the frequency of the PWM signal by selecting the clock frequency of the PWM generator.

The PWM signal is then used to power the motor. The current of the motor is adjusted by changing the duty cycle of the PWM signal. The current of the motor is measured by the on-chip current sense circuitry. The on-chip current sense circuitry measures the current of the motor, and then the measured current is used to adjust the duty cycle of the PWM signal. The measured current is also used as feedback for gain adjustment and speed control in the case of closed-loop control.

The SLA7073MPR also provides on-chip read/write protection. This feature enables users to program the contents of the motor controller or storage memories by writing data to a certain address space. The programmed data is then used to control the operation of the motor.

In summary, the SLA7073MPR is a power management IC used as a motor driver, controller, and read/write protection in embedded systems. It supports an operating temperature range of -40℃ to 105℃ and a wide operating voltage range of 3V to 5V. It features high-efficiency power management, on-chip PWM signals for current control, multiple protection functions for safe and reliable operation, and independent voltage supply for logic elements and load elements. The device is pin-to-pin compatible with the SLA7073MR and provides encoder feedback for precise speed and direction control.

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