XC6121D433MR-G

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The XC6121D433MR-G is a PMIC - Supervisors produced by Toshiba Semiconductor and Storage. It is designed for circuits that require circuit startups, shutdowns, resetting, and real-time monitoring of voltage levels. This device consists of a system reset circuit, a voltage monitor circuit, a power supply controller and an adjustable system shutdown threshold.

Features

• Provides accurate protection from input overvoltage and short circuits.
• A wide range of input voltage: 3V to 25V.
• A wide range of temperature range: -40°C to +125°C
• Low quiescent current: 2uA
• High accuracy shutdown voltage: 1.50V +-1.0%
• Dual-output voltage - fixed and adjustable
• Output voltage range: 0.8V to 5.25V.
• On/Off debounce time: 1.25ms to 5.25ms.

Application Field and Working Principle

The XC6121D433MR-G is well suited for use in various linear and switching regulators, micro-controllers, system reset circuits and other applications that require voltage monitoring and detection. The wide range of input voltage (3V to 25V) makes this device applicable even in harsh and high temperature environments. Its high-accuracy shutdown level, low quiescent current, and on/off debounce time is highly beneficial for system accuracy and stability.

The XC6121D433MR-G is built with a system reset circuit, a voltage monitoring circuit, a power supply controller and an adjustable shutdown threshold. The voltage monitoring circuit features an accuracy of 1.0%, a large span of input voltages (3.0V to 25V) and dual output voltages for fixed and adjustable output. It also has an adjustable on/off debounce time of 1.25ms to 5.25ms to ensure that it only triggers the shutdown circuit when an abnormality is detected. The power supply controller consists of an internal reset circuit and a power-on reset circuit for resetting the micro-controllers when certain events occur.

The adjustable system shutdown threshold is capable of switching the output voltage off when it drops below a certain level. This feature can be used to detect brown-outs and interruptions in input power, automatically cutting off power when necessary, thus preventing any surge or damage to the system. The adjustable output voltage, on the other hand, makes it possible to select the desired output voltage level and switch off the output voltage when it drops below this level.

The XC6121D433MR-G is also compatible with many types of micro-controllers and other embedded systems, making it a great fit for automotive, data centers, and any other application where reliable voltage monitoring and control is required. The device can also be used for industrial applications to control power supply voltage with precision and accuracy, providing system protection from unexpected power failures.

Conclusion

The XC6121D433MR-G is a highly reliable PMIC - Supervisors device, perfect for various applications. Its wide range of input voltage, high accuracy shutdown voltage, low quiescent current, adjustable output voltage and on/off debounce time makes it the perfect choice for circuit startups, shutdowns, resetting and voltage monitoring applications. By accurately monitoring and protecting the power supply for the embedded systems, this device ensures that the system is running smoothly and securely at all times.

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