XC6124A745MR-G

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The XC6124A745MR-G is a supervised reset circuit from Toshiba. It is a type of PMIC (Power Management IC) supervisory circuit, designed to provide a time-controlled reset signal on power-up, power-down and system wide reset. It integrates multiple device functions into one package to achieve a variety of power systems and reset functions. Using the circuit, designers can achieve many reset formats and by combining it with external circuits, they can further expand its functionality.

The XC6124A745MR-G has a different operating voltage range, depending on the power supply voltage used. Generally, it can operate between 3.3V to 5.5V, with a maximum output current of 1mA. The reset signal generated by the circuit is self-timed and has a fixed duration. It is mainly used to monitor the system\'s power supply to detect any power-down or power-up conditions. Additionally, it can also be used in embedded systems for system wide reset signals.

The circuit has a reset output (RESOUT) pin, which is active-low during normal operations, and active-high during a reset cycle. During a reset cycle, the RESOUT pin is held high for a fixed period of time (1.5ms for the XC6124A745MR-G), then goes low again. The reset cycle can be recycled continuously, allowing the circuit to monitor the power supply to detect any sudden changes in power or current levels. This is useful in a variety of embedded system applications where a reset signal is needed to protect and reset the system when any unexpected changes occur.

The XC6124A745MR-G also has several other features. It includes a watchdog timer (WDT) function which is triggered when the reset cycle duration goes beyond a preset limit. This can be used to detect any unexpected changes to the system, allowing the circuit to generate a reset signal when needed. Additionally, the circuit also contains a power-on reset (POR) signal which forces the RESOUT pin to go active-low when power is turned on. Additionally, it can also be triggered manually by applying a short external signal.

In terms of applications, the XC6124A745MR-G is typically used in low voltage, low power embedded and portable systems such as phones, communications terminals, and security systems. It can also be used as part of a larger power management or system reset system in combination with other circuity, allowing it to be used in a variety of applications.

In conclusion, the XC6124A745MR-G is a low power PMIC (Power Management IC) supervisor circuit from Toshiba, designed to detect power-down and power-up conditions. It has several features, such as a reset output, watchdog timer and power-on reset signal, making it a versatile and reliable reset circuit for low power embedded systems. Combined with other circuit components it can easily be integrated into a variety of power systems, making it a great choice for designers looking for reliable reset solutions.

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