MIC803-46D4VC3-TR

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Power management integrated circuits (PMICs) remain a critical component in many electronics applications. The MIC803-46D4VC3-TR is a PMIC developed by ON Semiconductor to provide a variety of functions with small physical size and flexible integration options. It can be used in a wide range of PCB configurations, including applications that require supervision, monitoring, and protection of power source. This article provides an overview of the MIC803-46D4VC3-TR, including its application areas and working principle.

PMIC - Supervisors Overview

The MIC803-46D4VC3-TR is a single-chip PMIC that includes a number of integrated monitoring and protection features for a power supply. It also includes a supervisor or Watchdog Timer (WDT) that can be used to protect the system from crashes or malfunctions. The MIC803-46D4VC3-TR is a robust PMIC that provides reliable operation in a wide range of environmental and power conditions.

The MIC803-46D4VC3-TR provides a variety of power management functions, including an overvoltage protection circuit and power-on reset (POR), as well as a 4-chanel load switch configuration and an adjustable voltage regulator (LDO). The device also includes an integrated power sequencer that can be used to configure system power supplies in a predetermined sequence. Additionally, the device supports a sleep mode to reduce power consumption during periods of low power demand.

Application Field and Working Principle

The MIC803-46D4VC3-TR is a highly flexible and reliable solution for applications that require supervision, monitoring, and protection of power source. The device is ideal for applications such as portable electronics, industrial control systems, and communication systems. Additionally, MIC803-46D4VC3-TR can be used in systems where power sequencing is necessary.

The device provides a wide range of protection features that are optimized to protect the system from potential power failures and malfunctions. The integrated watchdog timer (WDT) can be used to detect and reset the system in the event of a software or hardware crash. The device also includes power-on reset (POR), overvoltage protection (OVP), and short-circuit protection (SCP) circuits that ensure the safe operation of critical components. Additionally, the device supports a sleep mode which allows the system to enter a low power state when there is no system activity.

The MIC803-46D4VC3-TR features an adjustable voltage regulator (LDO) that can be used to maintain a steady supply of power for critical external components. The LDO supports an output voltage range of 2V to 14V and has a high degree of accuracy and stability. Additionally, the device includes a 4-channel load shared switch configuration that can be used to control the load current in multiple load applications.

The MIC803-46D4VC3-TR is designed to support both standard and low-power operation, and it can be operated in both Automatic and Manual modes to maximize efficiency. The device also includes an integrated power sequencer that can be used to configure power supplies in a predetermined sequence, as well as a system reset timer that provides a method of resetting the system in the event of a power failure or other fault.

Overall, the MIC803-46D4VC3-TR is a comprehensive PMIC for applications that require supervision, monitoring, and protection of power sources. The device provides a variety of features that are optimized to maintain system stability and prevent potential system malfunctions. Furthermore, it offers a power sequencer and a sleep mode to reduce power consumption and a adjustable LDO for reliable operation in a wide range of powering scenarios.

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