XC6122A245MG-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:	4.5V
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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XC6122A245MG-G Application Field and Working Principle

PMIC (Power Management IC) is a integrated circuit designed to manage the power supply and minimize power consumption. In modern electronics, power management ICs (PMICs) play a very important role in making sure the device can operate properly and without fail in a wide range of operating conditions. Supervisors are a type of PMICs that monitor any external power sources or other components of the device to ensure that the power supply is working at an optimal level and alert the user to any potential problem. The XC6122A245MG-G is an example of a supervisor PMIC and its application field and working principle are described in this article.The XC6122A245MG-G is a supervisor primarily used in automotive applications. It is a 3-pin supervisor IC that operates over a wide temperature range of -40 to +125 degree Celsius (-40 to +257 degrees Fahrenheit). This PMIC is specifically designed to monitor the power and reset conditions in automotive systems and alert the user if any problems arise. It can detect power failure, over-voltage, and over-temperature situations and respond with a reset signal.In addition, the XC6122A245MG-G has onboard circuitry to prevent false reset operations from voltage spikes and other such electrical anomalies. Its protection circuits can guard against spikes that range from 10V to 50V and currents up to 1A. All this makes it an ideal PMIC for automotive applications.The XC6122A245MG-G is designed for operation at a range of also 2.4 to 5.5V. This makes it suitable for different automotive systems. It also has a wide supply current range from 1mA (at VDD=3.3V) to 2.8mA (at VDD=5.5V).The XC6122A245MG-G has two pins, VDD and RST, while the third pin functions as an output of the reset, which is either active low or active high, depending on the application. When the VDD supply voltage is below the reset threshold (1.9V in the case of XC6122A245MG-G) or higher than a protection voltage (17V for this particular PMIC), the RST pin is no longer active and the output of reset signal is active.The reset threshold for XC6122A245MG-G can be adjusted with a resistor, which is helpful in controlling the reset activity. This supervisor is also immune to noise through the use of a low-noise, low-current Oscillator and hysteresis control circuit.In summary, the XC6122A245MG-G is a PMIC Supervisor IC that is specifically designed to detect and respond to power failure, over-voltage and over-temperature situations in automotive systems. It is a 3-pin supervisor IC that operates over a wide temperature range of -40 to +125 degree Celsius (-40 to +257 degrees Fahrenheit). The XC6122A245MG-G is designed for operation at a range of also 2.4 to 5.5V and has a wide supply current range from 1mA (at VDD=3.3V) to 2.8mA (at VDD=5.5V). The reset threshold for XC6122A245MG-G can be adjusted with a resistor, and its protection circuits can guard against voltage spikes that range from 10V to 50V and currents up to 1A. The low-noise, low-current Oscillator and hysteresis control circuit allow it to be immune to noise. The XC6122A245MG-G is an ideal PMIC for automotive applications.

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