XC6122F718ER-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:	1.8V
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 XC6122F718ER-G is a Supervisors (Power Management Integrated Circuit – Power Supervisor) that provides startup, reset, and power supply monitoring functions in one package. This PMIC, manufactured by NEC and launched in 2012, has numerous applications in a large spectrum of markets.The XC6122F718ER-G has the capability to generate three different types of reset signals and supports an external watchdog timer. It can also be configured to monitor and control the power supply, provide power on reset at startup and maintain system power-on reset even if the main power is removed, or if the system is out of regulation or if there is a power supply failure in the system. The power supply of the XC6122F718ER-G is from 1.65V to 6.0V and uses a quiescent current of 0.6mA.The XC6122F718ER-G is specifically designed for embedded systems and designs that require protection from power supply failure and reset operations. Applications of XC6122F718ER-G include mobile and digital devices, flash memory controllers, automotive systems, battery powered devices, and other microcontroller systems.One of the primary functions of the XC6122F718ER-G is to provide power on reset and reset to the system. The power on reset is triggered when the external power supply reaches a certain threshold voltage and the device is ready to restart. Additionally, the XC6122F718ER-G can be configured to monitor the power supply and detect system power supply failures, allowing it to generate a reset signal in order to protect the system from any damaging effects.The XC6122F718ER-G is also able to generate three different types of reset signals, namely active-low reset (ORST), active-high reset (IRST), and active-low watchdog reset (WDRST). The active-low reset signals are generated by the device when an input voltage or an external circuit is below a predetermined threshold. On the other hand, the active-high reset signals are generated when the input voltage or an external circuit is above a predetermined threshold. Finally, the active-low watchdog reset signals are generated when the device detects that a system clock has stopped or paused for a certain amount of time or when an external signal is not present or is not within a predetermined time interval.Another important application of the XC6122F718ER-G is to monitor the power supply. The device contains an internal comparator that can detect power supply voltages as low as 1.65V and can be used to generate an active low reset signal that can protect the internal circuitry in the event of an over-voltage or under-voltage condition. Furthermore, the XC6122F718ER-G contains two pins that can be used to monitor the power supply current, allowing the device to detect power supply failures or surges. The XC6122F718ER-G also provides an output signal pin (STAT) for reporting such power supply conditions. The STAT signal transitions from low to high in case of an over-voltage or under-voltage condition, allowing external circuitry to be notified of any power supply issues.Additionally, the XC6122F718ER-G also contains an internal switch that can be used to enable or disable the device at anytime. This can be used in systems where the reset operation needs to be enabled and disabled at certain times. For example, in automotive systems, the XC6122F718ER-G power supervisor can be used to reset a system at the start of the engine or during an emergency situation.In conclusion, the XC6122F718ER-G is an excellent choice for power supply monitoring and reset operations in embedded and automotive systems. Its multiple reset operations and power supply monitoring capabilities offer a wide range of applications in a variety of market segments. Furthermore, its internal switch can be used to enable and disable the device easily, allowing for quick and efficient reset operations.

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