XC6123D335MR-G

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Power Management Integrated Circuits (PMICs) are one of the most common components used in electronic systems. The XC6123D335MR-G is a specific type of PMIC known as a supervisor. PMIC supervisors are similar to other types of PMICs in that they integrate a number of power management functions into a single package. The primary function of a supervisor is to ensure proper system operation by monitoring system voltages, sequencing power-up/down, detecting faults, and providing source control.

The XC6123D335MR-G is a 6-channel supervisor that integrates overvoltage and reverse-polarity protection. Each of the 6 channels has a programmable reset threshold and timeout. It features an external reference voltage, a watchdog timer, and a supply voltage monitor with a programmable trip point. The chip is powered by a 3V-18V supply and is available in a small SOT-23-6L package.

One of the main applications of the XC6123D335MR-G is in embedded systems where a number of components need to receive power at the same time. For example, it can be used to power a microprocessor and memory at the same time, protecting them from overvoltages, reverse-polarity, and power-supply failures. It can also be used to sequence power-up/down of various components in a system, preventing damage from inrush currents associated with powering up several components simultaneously.

The XC6123D335MR-G works by monitoring the system voltages and providing reset signals based on its programmed settings. When the voltage levels exceed the reset threshold or timeouts, the chip will assert a reset signal to reset the system and prevent damage. The thresholds and timeouts can be programmed with external resistors connected to the chip.

In addition, the XC6123D335MR-G has a watchdog timer and supply voltage monitor. The watchdog timer can be used to detect system hangs or faults, and the supply voltage monitor can be used to monitor the system\'s power supply. If the system power supply falls below the programmed threshold, the chip will assert a reset signal to reset the system.

Overall, the XC6123D335MR-G is a powerful and versatile PMIC supervisor that can be used in a wide range of applications. It can provide overvoltage and reverse-polarity protection, sequence power-up/down of components, detect and reset faults, and monitor system voltage levels. It is available in a small SOT-23-6L package and can be easily programmed with external resistors.

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