MIC2075-1FBMM

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The MIC2075-1FBMM is a Power Distribution Switch (PDS), Load Driver, and Voltage Monitor integrated circuit (IC) designed to support a variety of power management needs at the board level. It is ideal for applications that require high current loads, such as network switches and servers, and requires low power consumption. The MIC2075-1FBMM is designed to control and monitor power on a single-rail application, primarily designed to handle applications with up to 1A load. It provides two control signals that can be used to control an external PMOS FET. These control signals can be multiplexed to control two separate power rails using a single MIC2075-1FBMM IC. The MIC2075-1FBMM includes an integrated overtemperature protection circuit, making it suitable for applications where thermal management is important. The device also includes three high-side current sensing amplifiers, which are used to measure the load current in each rail, allowing for overcurrent protection. The device also includes a low side current sensing amplifier, as well as an integrated voltage monitored. The power switch consists of three pins, EN1, EN2, and EN3. These pin enable the power MOSFETs to control power on all rails. The control signal to the PMOS FETS is applied to the EN2 and EN3 pins, while the EN1 pin is used to enable the internal driver. The device is designed to be used with a low voltage power supply, such as a 2.5V or 3.3V system. The two enable pins, EN2 and EN3, both have two modes of operation. The first mode is the low side output enable, which is enabled using the EN2 and EN3 pins in combination. This mode is used to control load currents up to 1A and is suitable for both double-rail and single-rail applications. The second mode is the high side output enable, which is used to control larger load currents. This mode should be used for applications with higher load currents such as those found in enterprise and datacenter applications. The MIC2075-1FBMM also includes an integrated power-on reset (POR) circuit, which is used to protect the circuits from unexpected voltage fluctuations. The reset is triggered when the voltage falls below a pre-determined threshold. The integrated POR also includes an adjustable time-out period for the reset to ensure appropriate response times when power fluctuations occur.The MIC2075-1FBMM also includes three integrated voltage monitors, which are used to measure the voltage of each of the rails. These monitors provide accurate readings of the voltage, and can be programmed to automatically enable the power MOSFETs when the voltage drops below a pre-determined level.Overall, the MIC2075-1FBMM is an excellent solution for power management applications in both single-rail and double-rail applications, combining an integrated power switch, voltage monitor, and temperature protection. The device provides a wide range of features to ensure system reliability, while being power efficient and easy to use.

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