XC6122A221MG-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:	50 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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XC6122A221MG-G Application Field and Working PrincipleThe XC6122A221MG-G is an advanced PMIC-Supervisors integrated circuit (IC) manufactured by Toshiba. It was designed to monitor the supply voltage of both the primary and secondary supply rails of the system. The XC6122A221MG-G provides an accurate reset function in addition to a report of the current system voltage.The XC6122A221MG-G can be used in a variety of applications ranging from automotive, industrial and consumer electronics. In automotive applications it can be employed to stabilize and provide reliable power to computer systems and audio components. It can also be used in industrial equipment for controlling the power of servo motors, pumps, and various other motor-driven devices. In consumer electronic devices, the XC6122A221MG-G can be used to ensure reliability and stability of digital and analog audio/video equipment.The XC6122A221MG-G is composed of a voltage comparator, analog comparator, reset timer, watchdog timer, and a manual reset switch. The voltage comparator component of the IC continuously monitors the system supply voltage, providing a warning or resetting the system if the voltage drops below a predetermined threshold level. The analog comparator is used to detect events related to the voltage being monitored by the voltage comparator. The reset timer component can be used in systems that require a manual reset in particular cases or on a regular basis. The watchdog timer is employed to re-energize a system after it is reset. Finally, the manual reset switch is used to manually reset the system.The XC6122A221MG-G also provides two voltage detection modes, the slow and the fast mode. In the slow mode, voltage detection is activated when the voltage is under the slow threshold for a required length of time. In the fast mode, voltage detection is triggered upon exceeding the fast threshold with no need to wait for a required amount of time to pass.In addition to the reset functions, the XC6122A221MG-G has certain features that make it suitable for various devices. These features include a low-voltage detect (LVD) accuracy of +/-1.5%, an operating temperature range of -40°C to +85°C, a supply voltage range of 9V to 35V, a current consumption of 4µA (typical) in normal mode, and a power saving sleep mode.The XC6122A221MG-G can thus be a valuable component in any power management system, providing a reliable voltage detection, reset and power supply control functions. It is being widely used in many applications where reliable power control is essential, due to its accurate and efficient operation.

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