XC6122A521MR-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:	400 ms Typical
Voltage - Threshold:	2.1V
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 - SupervisorsPower management integrated circuits (PMICs) are responsible for managing power consumption in electronic devices. PMICs are key components in regulating electrical load voltage and current for microprocessors, memory and other integrated circuits in modern advanced electronic systems.Within the PMIC architecture, supervisors are products that provide specific functionality, such as detecting power-on, input and output trim, brown-out or under/over-voltage to prevent damage and ensure that all components of an electronic system are working correctly. The XC6122A521MR-G is a PMIC – Supervisors, which is a voltage supervisory device with a power-on reset and three digital inputs, designed to replace the reset circuits and voltage monitoring circuits in digital devices. This IC is designed to provide a sharp, low power, single-voltage supervisor with µA (micro-amp) level ICC.Features and Benefits of XC6122A521MR-GThe XC6122A521MR-G has several features and benefits that make it a great choice for many applications. First and foremost, it is an Ultra-Low-Power Voltage Supervisor that requires only 0.5µA of operating current. This supervisor is ideal for applications where low power is critical, such as handhelds, infotainment and other battery-powered systems.In addition, XC6122A521MR-G is a small, 6-pin TSOP package which is size-optimized for high-density applications. This helps reduce PCB area, thus improving system efficiency and cost. The XC6122A521MR-G supervisor also has accurate voltage detection, reset output, and auto-retry hysteresis protection. This feature allows the processor to auto-retry once an overvoltage condition is detected, which reduces the risk of system malfunction or parts damage due to overvoltage conditions.Application Field and Working PrincipleThe XC6122A521MR-G is a versatile voltage supervisor with wide application range. It is widely used in digital devices such as personal computers, monitors, network cards, video game devices, digital television, etc. It can also be used in various device supply voltage detection, overvoltage protection, and reset output triggering.The working principle of XC6122A521MR-G is simple but reliable. It has three digital inputs (VIN, RD, and ERD) and one reset output (RESET). This device monitors its internal reference voltage (VREF) with a pre-programmed threshold level (Vthres) and outputs a logic high or low signal depending on the voltage comparison result. If the voltage is higher than Vthres, RESET will be in low (active) state; if the voltage is lower than Vthres, RESET will be in high (inactive) state. It also has an auto-retry hysteresis protection that allows the processor to auto-retry once an overvoltage condition is detected, reducing the risk of system malfunction or parts damage due to overvoltage conditions. The XC6122A521MR-G is a reliable voltage supervisor that provides low power, high accuracy, and protection from overvoltage conditions. It is the ideal choice for designs requiring low power, high accuracy, and overvoltage protection.

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