XC6122C446MR-G

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Power management integrated circuits (PMICs) refer to the specialized electronic hardware circuits or components used to monitor and manage the power operating of complex electronic systems. A PMIC supervisor device is an integrated, typically small-sized, circuit designed to ensure correct operation of the central processor or microcontroller within a digital system. One such supervisor device is the XC6122C446MR-G.

XC6122C446MR-G Application Field

The XC6122C446MR-G is a low power reset and supervisor device typically used in embedded control systems such as those in automotive, consumer, industrial, and medical applications. Its wide operating temperature range of -40°C to +125°C, input voltage range of +2.4 to +5.5V, and small WLCSP and UCSP package, make it an ideal choice for many applications.

This device features smart reset and supervisor functions, including: automatic power-on reset (POR) generation, power and voltage monitoring with window watchdog (WWD), and manual reset input. Furthermore, a range of reset options are available, such as active-high and active-low resets and manual reset input pin. The XC6122C446MR-G is compliant with automotive AEC-Q100 qualification and has halogen-free lead-free compliance.

XC6122C446MR-G Working Principle

The XC6122C446MR-G is an advanced CMOS reset and supervisor device designed to monitor the status and stability of system power. It comprises an internal voltage monitoring circuit and a reset circuit. The monitoring circuit can sense voltage levels above and below the reference threshold and reports than information via the reset output. The reset circuit holds the reset signal low until the supply voltage stabilizes within the reference thresholds. This feature helps to ensure proper system operation.

An additional feature is the window watchdog (WWD) timer. This device monitors the general operation of the central processor and provides an alert if the CPU doesn’t update it periodically. This gives a system level protection against a stuck central processor or application failure. The WWD operates autonomously, continually checking the state of the processor in a given time window.

The XC6122C446MR-G is designed for both portable and desktop systems that require reliable power management. This device ensures that the system will boot properly and continue running without an unplanned shut-down. It has a wide operating temperature range from -40°C to +125°C and features a low-voltage reset and power monitoring capability. It includes smart reset and supervision features such as automatic power-on reset (POR) generation, power and voltage monitoring with window watchdog (WWD), and manual reset input.

The XC6122C446MR-G is a reliable supervisor device that provides necessary protection against power failures and unpredictable system behavior. Its simple and straightforward design, high reliability, and compact size make it well suited for embedded control systems of all types.

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