XC6123F732MR-G

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:	800 ms Typical
Voltage - Threshold:	3.2V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-25

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.PMIC - Supervisors: XC6123F732MR-G Application Field and Working PrinciplePMICs (Power Management Integrated Circuits) are a type of semiconductor components used to convert and manage a variety of power sources in order to provide a consistent power supply. Supervisors, one type of PMICs, provide a power system reset, a latch-up detection, and a power-on reset signal. In order to ensure a reliable and successful operation of a device, supervisors not only protect the system from unexpected power situations but also provide monitoring and control. The XC6123F732MR-G is one of Renesas Technology Corporation’s products that belongs to the XC6123F family of PMIC supervisors, providing 3.2V to 5.5V input range, with a drive capacity of 8 mA. It also has two voltage detectors for generating reset signals, as well as a watchdog timer and protection diodes. This device is ideally used in a variety of applications from mobile phones, automobile electronics, and computers to home appliances and personal digital assistants.The main purpose of the XC6123F732MR-G is to enable resetting a device and restoring the system to its original, operational state. This is done by providing detection and prevention of the event, through the voltage monitoring capability of the device. It monitors the power supply voltage level and produces a reset signal if the input voltage drops below a specified threshold. In addition, it is also able to detect short-circuit conditions, over-voltage and over-current conditions, and can provide a ‘hold-off time’ delay before resetting the device, allowing it to retain its context or operation settings. In order to do that, the internal circuitry of the XC6123F732MR-G consists of two comparators, a watchdog timer, and a set of protection diodes. It provides two separate voltage detectors, which measure the voltage level of the system and compare it to two separate voltage thresholds. When the voltage level goes below the first threshold, it sends out a low-voltage signal, and when it goes below the second threshold, a reset signal is triggered and sent to the system. It is able to reset the system even when the input power fluctuates at power-on. The XC6123F732MR-G also features a watchdog time-out period during which it monitors the device’s activity. If there is no activity during this period, it will reset the system. In addition to the voltage detectors, the XC6123F732MR-G also includes a set of protection diodes that protect the device from over-current conditions. These diodes are arranged in series such that when the current exceeds the rated limit, the diode breaks down and the current is diverted to the ground. This helps to prevent excessive current from damaging the device, as well as other components in the system. In conclusion, the XC6123F732MR-G is a PMIC supervisor with a variety of power management capabilities, capable of monitoring voltage levels, providing reset signals, detecting short-circuit conditions, providing a ‘hold-off time’ delay, and protecting from over-current conditions. This makes it ideal for use in a variety of applications, from mobile phones to home appliances, enabling reliable operation and system reset capabilities.

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