Voltage - Supply (Vcc/Vdd):	--
Base Part Number:	MIC5801
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Fault Protection:	--
Features:	--
Input Type:	--
Rds On (Typ):	--
Current - Output (Max):	500mA
Series:	--
Voltage - Load:	50V (Max)
Interface:	Strobe, Parallel
Output Type:	Bipolar
Output Configuration:	Low Side
Ratio - Input:Output:	1:1
Number of Outputs:	8
Switch Type:	Latched Driver
Part Status:	Active
Packaging:	Tube

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Introduction

The MIC5801YWM is a power management integrated circuit (PMIC) for power distribution switches, load drivers, and other power management features. In this paper, the application field and working principle of the MIC5801YWM will be discussed in detail.

Application Field

The MIC5801YWM is a general-purpose power manager designed for embedded applications such as industrial control systems and digital system appliances, automotive systems, and consumer electronic products. It offers a complete and flexible power management solution to enable the design of systems that comply with complicated power saving rules.The MIC5801YWM includes a digital power control system and analog power management elements, providing the designer with a modern and efficient solution for efficient energy usage and control. It features integrated low-voltage protection, power-on reset, power-saving state monitoring, and system-level protection.The MIC5801YWM has various switching functions, including load switching, voltage scalability,gate control, and frequency modulation. It is capable of driving a wide variety of loads, including LEDs, relays, motors, and other power consuming appliances. Its integrated thermal protection and precision current sensing ensure superior system performance.

Working Principle

The MIC5801YWM is an intelligent power control system based on a digital controller and analog power management elements. It includes two main components: The System Controller (SC) and the Digital-to-Analog Converter (DAC).The SC is responsible for monitoring system state and controlling the current flow through the switch and the load. This is often done with a Pulse Width Modulation (PWM) technique. The SC also enables system-level functions such as power-on reset, power saving state monitoring, and low-voltage protection.The DAC is used for precision current sensing, as well as for voltage scaling, gate control, and frequency modulation. The MIC5801YWM also features an integrated thermal protection circuit and an adjustable load-limit protection circuit to ensure superior system performance and reliability.

Conclusion

The MIC5801YWM is a PMIC for power distribution switches, load drivers, and other power management features. It includes a digital power controller and analog power management elements, and is capable of driving a wide variety of loads with precision power control and excellent system performance. The integrated low-voltage, power-on reset, and system-level protection provide added reliability and safety assurance, while the integrated thermal protection and precision current sensing ensure superior system performance.

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