MIC2549A-2BTS-TR

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MIC2549A-2BTS-TR is a product of Microchip Technology Inc, which belongs to the power management integrated circuit, PMIC - Power Distribution Switches, Load Drivers product family. It provides drive, load and detection for a wide range of applications, including for portable and/or battery-backed devices. The integrated circuit has both synchronous and asynchronous solutions that are reliable and accurate.

Application Field

The MIC2549A-2BTS-TR is an ideal solution for battery-backed and mobile devices due to its small overall size, its low voltage drive, low Iq. It can be used in automated industrial control systems, automotive electronics, medical electronics, consumer electronics, and embedded systems. It can also be used in applications where high current is required but low power consumption is preferred. It is also suitable for applications with either low-side or high-side driving functions. It is also used in various power management applications such as USB/VGA connections, MP3/digital video/television players, power converters, mobile radios, and DC-to-AC inverter modules.

Working Principle

MIC2549A-2BTS-TR uses a high efficiency SMPS (switch mode power supply) topology to control power distribution. It works on the principle of same load current being supplied from two separate sources, so that the load voltage level is maintained constant even if one of the power sources fails. This provides improved efficiency by minimizing the amount of power wasted. It also reduces system size and cost due to smaller components.

The integrated circuit is composed of two transistors and one circuit protection devices. The first transistor acts as a switch, which turns the power on when the load current is detected by the second transistor. When the load current is sensed, the protection device senses the overload and shut down the circuit, preventing further damage. The MIC2549A-2BTS-TR also contains a built-in intelligence that makes it aware of the load current and protects it from over-voltage and power surges.

The MIC2549A-2BTS-TR can also be configured for a variety of operating modes, including manual or automatic on/off control, active or inactive status indicators, and programmable input/output protection. The protection feature prevents system damage in case of an overload or short circuit. This feature prevents further damage by disabling the power switch and resetting the internal circuit. It also provides a power-on reset that allows devices to start up with a known state.

The MIC2549A-2BTS-TR also features additional protection features such as low voltage protection and thermal protection. The low voltage protection prevents the power switch from being turned on at a low voltage level, while the thermal protection ensures that the internal components will not be damaged due to excessive temperatures.

The MIC2549A-2BTS-TR is ideal for simple and highly customizable power distribution applications. Its simple yet powerful design makes it a reliable and cost-effective solution for many power-related applications. It is also suitable for applications with limited space, as its component alternatives are relatively small. With its advanced protection features, the integrated circuit offers maximum system reliability and long-term stability.

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