MIC2168AYMM-TR

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The MIC2168AYMM-TR is a fully-integrated, DC-DC switch-mode controller with internal high-side and low-side MOSFETs, designed to provide a regulated output in the widest range of applications. This PMIC (Power Management Integrated Circuit) is designed to help engineers get their designs up and running quickly without added design difficulty or extra components. In this article, we will discuss the application field of the MIC2168AYMM-TR as well as its working principles.

Application Field

The MIC2168AYMM-TR is a power management device suitable for a wide range of application fields. It is most commonly used in motherboards and computing devices, as well as in IoT (Internet of Things) applications, including lighting, industrial automation, and medical technology. It is also used in automotive electronics and audio equipment. This versatile DC-DC switch-mode controller can be used for power in a variety of voltage configurations, from 1V to 24V.

The MIC2168AYMM-TR is especially advantageous when used in motherboards and computing devices, as it offers high power density and low power consumption thanks to its internal high-side and low-side MOSFETs. These efficient components help to keep power consumption low while providing a reliable and constant output. In addition, its high power density helps to save space in the design (compared to classical voltage-regulated power supplies), which is an advantage in PCBs where space is scarce.

Working Principle

The MIC2168AYMM-TR is a DC-DC switch-mode controller with a wide range of applications. This power management device is designed to convert a low-voltage DC voltage to a higher voltage DC voltage. The basic operation of this controller is switching at a given frequency, which is determined by the external components and is adjustable from 1kHz to 500kHz. The controller uses a flyback topology and operates with on/off control. When the MOSFETs are switched off, the output voltage is in equilibrium, as the current flows through the inductor and the output capacitor, generating a voltage drop. As the MOSFETs switch on, the drain-source voltage remains constant, causing the inductor\'s stored magnetic energy to be released in the output directory. The frequency of the switching is determined by an external clock source and the current detection circuit prevents an over-current situation.

The MIC2168AYMM-TR also features an integrated soft-start circuit which reduces the output during the start-up of a converter. This reduces stress on components and also helps to reduce output ripple. The low-side MOSFETS have integrated drivers, while the high-side drivers have programmable current-limit. This means that the MIC2168AYMM-TR can be set up to limit maximum output current, allowing for improved reliability and reduced risk of overloading components.

Conclusion

To conclude, the MIC2168AYMM-TR is a versatile DC-DC switch-mode controller for a wide array of applications. It is capable of operating with an adjustable frequency from 1kHz to 500kHz and features an integrated soft-start circuit to reduce output ripple. It also features programmable current limits to protect components from overloading. Used in motherboards and computing devices, this PMIC offers high power density and low power consumption, making it suitable for a wide range of applications.

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