XC6122A246MG-G

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PMIC - Supervisors are essential components in various applications to aid in circuit operation, for instance energy-consuming devices, power delivery systems, and flexibility in circuit protection. The XC6122A246MG-G is a device from this category, it provides robust and reliable voltage monitoring of power supplies in a wide range of applications, encompassing low-voltage and low-power circuit designs.

Firstly, the XC6122A246MG-G incorporates a reliable reset signal generator with a selectable reset active high or low polarity. This feature provides extra flexibility when adapting the supervisor to the specific project and system environment. Secondly, it also features an incredibly low supply current consumption of 160nA with an extended operating temperature range of -40C to +85C. Finally, with high accuracy measurement and integrated temperature compensation, the XC6122A246MG-G enables excellent protection of the circuit’s power supplies.

Now let us turn to the internal working principle of the XC6122A246MG-G. At the heart of the IC lies a comparator circuit. A reference voltage is fed in from an external resistor network to one of the inputs of the comparator, supplemented by an internal temperature-dependent voltage control block providing minor adjustment to the reference signal. The other input of the comparator is connected to the voltage to be monitored, in this case the power supply voltage.

When the source voltage approaching or lower than the reference signal, the output of the comparator will change state, which then feed informations back to other peripheral ICs via the reset pin. At the same time, an automatic fail-safe feature will be activated, enabling the IC’s reset signal to be asserted again; essentially cutting off the system power until the voltage is back at a safe level.

From powering consumer products such as cell phones and remote controls, to providing protection for industrial motors and robotics, the XC6122A246MG-G offers great flexible monitoring capabilities to meet a variety of requirements. Also, the small three-pin SOT23-5 package, low quiescent current consumption, and extended operating temperature range make it an optimal choice for portable applications.

In summary, the XC6122A246MG-G is a voltage monitoring supervisor for low-voltage and low-power circuit designs. Incorporating a reset signal generator with selectable polarity and a low supply current consumption, it offers robust and reliable voltage monitoring capability with temperature compensation, temperature range and small size, making it a perfect choice for applications that requires precise current control.

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