XC6123A536MR-G

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ABSTRACT: The XC6123A536MR-G is a general-purpose voltage detection supervisor IC including overvoltage, undervoltage and brown out detection. It is primarily used as a power-on reset device to monitor power supply voltages, such as battery and external supply, by detecting its falling below a preset threshold. It also offers reliable protection against short circuits and overvoltage conditions. The XC6123A536MR-G also features a precision accuracy and excellent temperature stability.

INTRODUCTION:

The XC6123A536MR-G is a voltage supervisor IC from Xilinx Corporation. It is primarily used to monitor power supply failure, such as battery and external supply, by detecting its falling below a preset threshold. The XC6123A536MR-G is an integrated voltage supervisor IC designed for use in industrial, automotive and consumer applications. It offers a wide voltage range from 1.5V to 3.6V and has wide operating temperature ranges from -40°C to +105°C.

APPLICATION FIELD:

TheXC6123A536MR-G is mainly used as an overvoltage protection, undervoltage protection, brown-out protection and reset circuits. Its features make it an ideal choice for various power supply protection, monitoring and voltage regulation in various application fields such as automotive, consumer electronics and industry applications. In battery-based systems, this IC is used to monitor battery voltage, and to detect the point when the battery voltage drops below a pre-set threshold, in order to aid the system to safely power down or switch off before the battery completely runs out of power.

In automotive applications, the XC6123A536MR-G is being used for multi-stage power supply control, fault protection and onboard diagnostics. In industry applications, it is used for system power-on reset, as well as overvoltage detection, undervoltage detection and brown out detection.

WORKING PRINCIPLE:

The XC6123A536MR-G is designed to detect overvoltage, undervoltage and brownout conditions. It consists of an analog voltage regulator, voltage threshold comparator, reset signal generator and a default timer. The analog regulator is used to compare input voltage against a fixed internal voltage reference, while the voltage comparator compares the resulting analog signal with a set of threshold values. Depending on the comparison results, the reset signal generator will generate appropriate reset signals.

If the input voltage drops below the reset threshold voltage, the reset signal generator will generate the reset signal. This reset signal is then held low until the input voltage is above the reset threshold. The reset signal will also be reset if the input voltage exceeds the overvoltage or brownout threshold or if the default timer expires. In addition, the XC6123A536MR-G also offers power up delay, power down delay and power fail delay options.

CONCLUSION:

The XC6123A536MR-G is a general purpose voltage detection supervisor IC designed for use in industrial, automotive and consumer applications. It is mainly used as an overvoltage protection, undervoltage protection, brown-out protection and reset circuits. It features wide operating temperature ranges as well as precision accuracy and excellent temperature stability. This is ideal for various power supply protection, monitoring and voltage regulation applications.

REFERENCES:

1. XC6123A536MR-G data sheet, Xilinx Corporation, 2007.

2. “A Guide to Voltage Supervisors”, Texas Instruments, 2006.

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