Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	1.6 s Typical
Voltage - Threshold:	3.1V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN Exposed Pad
Supplier Device Package:	6-USPC (1.8x2)

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PMIC - Supervisors

The XC6123D631ER-G is a supervisor PMIC from the XC6123 family, a series of very-low-power supervisor PMICs with innovative protection and efficiency features. This device is particularly suitable for use in systems with very-low-power requirements and limited real estate, such as smartwatches, tracking devices, and other system-on-chip (SoC) based designs.

Application Field

The XC6123 series of power management ICs is primarily targeted at applications where there is very low-power consumption and limited real estate, such as smartwatch and tracking devices. This IC has the capability to provide power to multiple loads while protecting them against the numerous hazards they may encounter in the course of their operation. It is also designed to maximize system efficiency and reduce the overall power budget by utilizing features such as advanced power sequencing, dynamic voltage scaling, and power-on reset capability. Additionally, the XC6123 Series\' feature set allows them to be used in a variety of applications, such as industrial automation, factory automation, medical and medical diagnostics, automotive electronics, and consumer electronics.

Working Principle

The XC6123 is a highly integrated power management IC that provides a complete range of protection and control features for system designers. It operates by taking an input signal from an external source, such as an embedded controller, a low-voltage power supply, or alternating current, and then converts it into the appropriate voltage necessary to power the system. To do this, the IC includes an array of voltage regulators, supervisory circuits, and switches. The IC has two main components, the main system controller and the power supply block. The main system controller consists of a set of logic elements, specifically a supervisor, a voltage regulator, a comparator, and a switching block. The supervisor is responsible for sequencing and controlling the various power supply voltages in order to ensure the correct voltage is applied to each component at the right time. The voltage regulator converts the voltage from the power source into the appropriate level to power the system. The comparator is used to monitor the output voltages and make sure they are within a predetermined range. The switching block governs the power switch, which manages the flow of power to each component in the system. The power supply block consists of several components, including an inductor, a storage capacitor, and several transistors. The inductor is a key component, as it is responsible for generating the output voltage from the input power source. The storage capacitor is used to store the energy generated by the inductor. The transistors are responsible for controling the flow of power to each component, as well as for protecting the system against overvoltage conditions. Finally, the XC6123 also includes several safety and monitoring features, such as over-temperature protection, under-voltage protection, and over-current protection, which help to ensure that the system is provided with a reliable source of power. In summary, the XC6123 series of PMICs provide a highly efficient, yet low-power solution for voltage regulation, sequencing, and control in a variety of applications. With their innovative features and safety features, the XC6123 series are an ideal choice for system designers looking for a reliable supervisor PMIC.

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