MIC2548-2YMM

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	MIC2548
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Fault Protection:	Current Limiting (Adjustable), Over Temperature
Features:	Status Flag
Input Type:	Non-Inverting
Rds On (Typ):	80 mOhm
Current - Output (Max):	1.5A
Series:	--
Voltage - Load:	2.7 V ~ 5.5 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	1
Switch Type:	USB Switch
Part Status:	Active
Packaging:	Tube

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Introduction

The MIC2548-2YMM is a low-voltage, low-cost, high-density power management integrated circuit (PMIC) designed for decoupling and distribution applications. It is intended for use in power distribution systems for microcontrollers, FPGAs, ASICs, and other microprocessor-based applications with low-voltage requirements. It integrates several power management functions, such as power distribution switches, load drivers, power supply regulation, and voltage monitoring in a single device.

Application Field

The MIC2548-2YMM is ideal for low-power microprocessor-based applications such as microcontrollers, FPGAs, ASICs, digital signal processors, and embedded systems. It is also suitable for use in battery-powered systems, where low-voltage operation and high power-density are critical. Additionally, the device is suitable for applications that require efficient power management and protection, such as system-on-chip (SoC) power-distribution systems and processors.

Working Principle

The MIC2548-2YMM is a three-channel PMIC. Each channel consists of a power distribution switch, a high-side load driver, and a voltage monitoring circuit. The power distribution switches on each channel provide an on/off control for connecting and disconnecting an external load. The high-side load driver allows for driving the on/off control with a low-side switch. The voltage monitoring circuit monitors the input voltage to the device and provides status indication for pre-determined voltage thresholds. This allows for use in applications with multiple power domains, providing a mechanism for resetting or similar operations upon detection of a power-domain voltage change. In addition to the power management functions, the device is equipped with several protection features. This includes input voltage transient protection, output short-circuit protection, over-temperature protection, and ESD protection.

Conclusion

The MIC2548-2YMM PMIC provides a high-density, low-cost solution for power distribution and management in microcontroller, FPGA, and ASIC applications. It is versatile, with power distribution switches, high-side load drivers, and voltage monitoring integrated in a single device. In addition, the device is equipped with several safety and protection features, making it suitable for use in applications that require efficient power management and protection with high reliability and robustness.

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