MIC2077-1BM

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	MIC2077
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Fault Protection:	Current Limiting (Fixed), Over Temperature, UVLO
Features:	Slew Rate Controlled, Status Flag
Input Type:	Non-Inverting
Rds On (Typ):	100 mOhm
Current - Output (Max):	500mA
Series:	--
Voltage - Load:	2.7 V ~ 5.5 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	2 x 1:2
Number of Outputs:	4
Switch Type:	USB Switch
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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MIC2077-1BM Application  Field and Working Principle
PMIC - Power Distribution Switches, Load DriversThe MIC2077-1BM is designed as an integrated, synchronous, non-volatile high-side switch. It is an ideal solution for robust, power distribution in consumer/industrial applications as well as high-end computing, medical, and other mission-critical applications. This application field and working principle of the MIC2077-1BM will be explored in this article.

Application Overview
The MIC2077-1BM is designed to switch high power loads up to 3A for up to 24V supply and drain voltages. Its rich feature-set makes it ideal for applications where robust, reliable power switching is a must. This includes high-powered CPUs and/or GPUs in computing applications as well as high power devices in medical, consumer, and industrial applications. Its wide input voltage range means that it can easily be integrated into a variety of power sources and, given its small footprint, is suitable for a range of space-constrained applications.

Features and Benefits
The MIC2077-1BM is equipped with a number of features and benefits that make it an exceptional solution for high-power, reliable power distribution applications. These include:

• High-side, synchronous non-volatile switch
• Wide input voltage range (6V–24V)
• High output currents up to 3A
• Short turn-on/off times (50μs)
• Low operating current (6mA)
• Compact SOT-23-5 package

These features make the MIC2077-1BM suitable for a wide range of applications where robust, reliable power switching is required. Its quick turn-on/off times and high load current mean that it can handle high-power devices without issue. Its small footprint makes it ideal for applications where space is limited, such as in a CPU or GPU. Its wide input voltage range means that it can be easily integrated into any power source. Lastly, its low operating current means that it can be used in battery-operated devices without depleting the battery too quickly.

Working Principle
The MIC2077-1BM switches power to a load by latching a two level signal. When the signal is ‘high’, the load is powered, and when the signal is ‘low’, the load is unpowered. This latching action is controlled by a control pin (which is pulled up or pulled down depending on the voltage level of the control node). The MIC2077-1BM also has an enable pin which shuts off the switch in the event that the power source falls below a predetermined voltage (e.g. 3.6V). This ensures that the load is not powered if the power supply is too low. In addition, the MIC2077-1BM has a powerful on-chip amplifier that can provide a high surge current which can be used to start-up high power loads quickly. This ensures that the load is supplied with the necessary power as soon as it is enabled.

In summary, the MIC2077-1BM is a robust, efficient, and reliable switching solution for high power applications. Its features, benefits, and working principle make it an ideal choice for a wide range of applications that require robust and reliable power distribution. Its high surge current capability and fast switching speed enable it to handle high-power devices quickly and easily. Its low operating current and small footprint make it suitable for space-constrained applications where a reliable, high-powered solution is required.

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