XC6124D737ER-G

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PMIC (power management integrated circuits) Supervisors are system-level control components used mainly to monitor and control microcontrollers and other integrated circuits. They are used to perform out-of-range protection and power-on reset functions. The XC6124D737ER-G is a popular supervisor, and this article will discuss its application field and working principle.

The XC6124D737ER-G is an innovative PMIC supervisor device from ON Semiconductor. It is rated for operation from 2.2V to 5.5V. It has two independent outputs, VPOR and VRST, and each output can source or sink up to 200mA. Additionally, the XC6124D737ER-G has an integrated, proprietary power-on detection circuit.

The XC6124D737ER-G is commonly used in applications requiring power-on reset and over-voltage or under-voltage protection. This robust supervisor device is particularly well-suited for battery-operated applications and low-power designs. It is used as system protection in automotive, industrial, and consumer electronics applications.

The XC6124D737ER-G operates by monitoring the input voltage. If the input voltage drops below the under-voltage protection setting or rises above the over-voltage protection setting, the device will assert either of the two outputs. The VPOR output is an active-low output, and the VRST output is an active-high output, for dual-protection capabilities. In addition to providing protection for input voltage anomalies, the XC6124D737ER-G also has an integrated power-on detection circuit. This circuit monitors the input voltage and will assert the VPOR output after a specific time has elapsed.

The XC6124D737ER-G can be fitted with external components to customize the protection thresholds and power-on detection time. Additionally, the XC6124D737ER-G can be configured for single-voltage and dual-voltage applications. In a single-voltage application, only one of the outputs will be utilized, while in a dual-voltage application, both outputs will be used.

The XC6124D737ER-G can also be used to perform inrush current limiting and short-circuit protection. An external resistor can be utilized to configure the current limit. If the current exceeds this limit, the fuses on the device will blow, providing short-circuit protection. Furthermore, the XC6124D737ER-G also has an optional low-voltage reset output, which can be used to reset the system when the voltage drops below a certain level.

In summation, the XC6124D737ER-G is a versatile PMIC Supervisor used primarily to protect microcontrollers and other integrated circuits from voltage anomalies and to provide a power-on reset. It is especially well-suited for battery-operated applications and low-power designs. The device’s adjustable protection thresholds, power-on detection time, and current limiting capabilities make it a great choice for any application requiring simple reset and protection management.

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