MIC61300YMME-TR

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PMICs, or power integrated circuits, are omnipresent in today’s electronic products. They are used for a variety of purposes such as voltage regulation, power sequencing, power dissipation, and more. The MIC61300YMME-TR is a PMIC specifically designed for linear power regulation. The small package size and easy to use features, combined with its high efficiency, make it a great choice for a variety of applications.

Application Field

The MIC61300YMME-TR is ideal for applications that require low voltage, low quiescent current, high efficiency, and good temperature stability. It is suitable for use in automotive systems, consumer electronics, wireless communication, and other applications. It can be used as a replacement for switch mode power supplies, as it offers better efficiency with a simpler design.

The MIC61300YMME-TR integrates two low dropout (LDO) units in a single package, allowing for multiple power supply design options. It is capable of supplying up to +/- 9.8V output voltage and 3A current. It also features a current sharing capability and resistance free current sensing, allowing for more precise voltage regulation. Additionally, it comes with over-voltage and reverse current protection, as well as built-in thermal current protection.

Working Principle

The MIC61300YMME-TR operates in a linear matter, utilizing between one and two NPN transistors in a negative feedback loop. There is a voltage reference diode, voltage divider, and current sensor at the input, which is then fed into the current driver circuit. The output current is adjusted according to the setpoint signal provided by the microcontroller, based on the error signal generated by the feedback loop. The output is then controlled by the output stage, which contains an NMOS transistor.

The MIC61300YMME-TR uses a dynamic tracking feature to improve the accuracy of the output voltage. The reference voltage is continually monitored, and the output voltage is dynamically adjusted based on the requirements of the system. The dynamic tracking feature allows for the best performance at all times, and improves the efficiency of the system.

In addition to dynamic tracking, the MIC61300YMME-TR also includes over-voltage protection. This provides an extra layer of protection in the event that the output voltage rises too high. It also includes reverse current protection, which is designed to prevent shorts and reverse operation of the system. The thermal current protection feature allows the device to shut off if it becomes too hot, preventing damage to the IC.

The MIC61300YMME-TR is a great choice for a variety of power supply applications. Its small size, low quiescent current, and high efficiency make it an attractive option for applications that require linear power regulation. The dynamic tracking and over-voltage protection features provide added protection and performance, making it a safe and reliable choice for any project.

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