SLA7071MR

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Power management integrated circuit (PMIC) plays a critical role in the operation of an electronic system. The SLA7071MR is one such PMIC which integrated circuit in the motor drivers, controllers. This article will discuss the application field of the SLA7071MR and its working principle.

The SLA7071MR is suitable for the application in the field of converting analog position or speed command signal to servo motor drivers, controllers. It is particularly suitable for industrial automation, robot and office automation. It has multichannel designs that allow higher precision control for linear servo systems. The internal circuit is constructed with a phase-locked loop(PLL) which can convert sinusoidal waveforms into 120-degree segmented waveforms with feedback control.

The working principle of the SLA7071MR is based on the sinusoidal waveforms. The phase locked loop circuit oscillates at an input frequency to generate a sinusoidal waveform at the output. The sinusoidal waveform is then converted into the 120-degree segmented waveform through the operation of comparators and logic gates. The segmented waveform is used for resolving the linear servo system.

The SLA7071MR is a high performance PMIC with superior features such as wide frequency range (5-60kHz), temperature compensation, high speed switching and multiple operating modes. The frequency range can be adjusted via external capacitors. It also provide adjustable gain, current limit control, low motor current in standby mode and user-selectable dead zone settings. It also delivers low resonance performance and superior torque linearity in operation.

The SLA7071MR provides an efficient Interface for precise position or speed control. It can step up or step down the input voltage via external transistor switch and shift current levels (e.g. 1A to 5A ) via external sense resistor. It also offers other features such as motor temperature protection and motor over-speed protection. It is also programmable to provide precise position or speed control from 0 to 180 degree.

In summary, the SLA7071MR is a highly integrated PMIC which is suitable for converting analog position or speed command signal to servo motor drivers, controllers. It integrated phase-locked loop circuit which can convert sinusoidal waveforms into 120-degree segmented waveforms with feedback control. Its features include wide frequency range, temperature compensation, high speed switching and multiple operating modes. It also offers adjustable gain, current limit control, low motor current in standby mode and user-selectable dead zone settings.

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