XC6124D640ER-G

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The XC6124D640ER-G is a Positive Voltage Supervisory from Toshiba that is part of the Supervisors family within Power Management ICs (PMICs). This device supports microcontroller systems requiring a reset signal under abnormal system conditions, such as low VDD, powered reset and normal reset. It contains a voltage detector, delay circuit and reset circuit for resetting the microcontroller and other system application.

Application

The XC6124D640ER-G is suitable for applications that require a reset signal in the case of an abnormal system condition. This PMIC can be used in a wide range of areas, including medical systems, audio and video equipment, automotive systems, home appliances and industrial systems, among others.

Features

The XC6124D640ER-G features a power supply detection function for detecting low VDD and it has a 0.4V–6.0V voltage window detector. It also offers a wide selection of reset output voltage, from 0.9V–2.7V. Additionally, the XC6124D640ER-G comes with a reset terminal tRST that can be used both manually and automatically.

This PMIC also features an adjustable reset time-out period, a reset release time-out period, an open drain output and a power-on reset function. The reset time-out period can be adjusted using a single external resistance, while the reset release time-out period can be adjusted using an external capacitor. The XC6124D640ER-G features a drop-out detection voltage that is of 1.5V/VON, and it operates with an operating voltage of 3.2V–6.0V.

Working Principle

The XC6124D640ER-G works by detecting the VDD voltage and then generates a reset signal automatically when the voltage drops below a predefined level. The pre-defined level is known as the drop-out voltage. Once the voltage drops below the drop-out voltage, the XC6124D640ER-G will generate a reset signal. The reset signal can then be used to control the system’s microcontroller and/or other circuit components.

The reset time-out period is adjustable using a single external resistance, while the reset release time-out period can be adjusted using an external capacitor. The reset terminal tRST can be used to manually reset the system. Additionally, the XC6124D640ER-G has an open drain output which can be used to indicate when a reset has occurred.

The XC6124D640ER-G also has a reset release time-out period that can be adjusted using an external capacitor. This feature is useful because it allows the Microcontroller (MCU) to hold its reset signal until the voltage has returned above the reset threshold set by the user. This prevents the MCU from going into a continuously reset state. The XC6124D640ER-G also has a power-on reset feature which allows the user to reset the system during power up.

Conclusion

The XC6124D640ER-G is a Positive Voltage Supervisory from Toshiba that is part of the Supervisors family within PMICs. This PMIC is suitable for applications that require a reset signal in the case of an abnormal system condition. It features a power supply detection function, adjustable time out periods, an open drain output and a power-on reset function. It works by detecting the VDD voltage and then generates a reset signal automatically when the voltage drops below a pre-defined level. The XC6124D640ER-G is an ideal solution for microcontroller systems requiring a reset signal under abnormal system conditions.

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