XC6124F526MR-G

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The XC6124F526MR-G is a member of the XC6124 series products of Voltage Supervisors from Toshiba, which provides a system reset and/or watchdog timer (WDT) functionality. It monitors the system voltage to detect voltage glitches and drops and also, offers a wide range of system reset active times. The device is designed to provide user-defined functions based on system voltage status and voltage threshold levels. This device consists of an internal circuit consisting of a voltage detector, comparator, and flip-flop. It is suitable for temperature ranges from -40 °C to +85 °C.

The XC6124F526MR-G is commonly used in power consumption measurement, battery powered system reset and watchdog timer circuit in industrial, home appliance and consumer applications. The device is capable of managing power consumption measurement of batteries and countering stuck-at-one and noise problems. The XC6124F526MR-G can suitably be used in wide range of power applications such as power management IC, motor controller, and other systems for IC reset and watchdog timer.

Working Principle

The XC6124F526MR-G works on the principle of voltage monitoring and management. Its internal detection circuit provides a wide range of system reset active times. The working of this device is as follows.

When the input power is applied, the input voltage is coupled to the voltage detector. This detector then senses the voltage changes, triggers the comparator, which compares the input voltage with the reference input voltage. When the voltage level exceeds the reference voltage, the comparator output turns OFF the reset signal. When the voltage drops below the reference, the comparator output turns ON the reset signal. The reset signal connected to the flip-flop then changes its state to provide the output signal.

The XC6124F526MR-G offers a wide range of higher reset detection threshold options that make it suitable for different power applications. The reset threshold is adjustable by applying an external voltage signal on the VRESET pin. The device also provides an internal watchdog timer (WDT) function to monitor and reset the microcontrollers that become stuck at one of the logic states. The WDT helps in resetting the microcontroller in case of a powerloss without any external reset signal.

Features

The XC6124F526MR-G offers a host of features that make it suitable for a range of applications.

• Wide analog voltage detection range from 1.6V to 5.5V
• Reset release voltage range from 1.6V to 5.5V
• Output options include Active-Low level, CMOS, and Open-Drain reset options
• Both manual reset active time and auto reset active time are adjustable
• Reset active time is adjustable from 10ms to 10s
• Internal Watchdog timer for periodic resetting of the system
• Lower power consumption of 50uA typical
• Suitable for H/W reset applications
• Operating temperature range of -40°C to +85°C

Applications

The XC6124F526MR-G is used in a wide range of applications in the industrial, home appliance, and consumer segments that require voltage monitoring and management.

• Power Management IC
• Microcontroller reset
• Motor Controller
• In-circuit/On-board programming
• System Reset of advanced big data analysis systems
• System Reset of communication protocols
• High vibration motor control systems

Conclusion

The XC6124F526MR-G is a voltage supervisor from Toshiba that offers a wide range of system reset active time options. It is suitable for temperature ranges from -40 °C to +85 °C, making it suitable for industrial and home appliance applications. The device is capable of managing power consumption measurement of batteries, countering stuck-at-one and noise problems, and offers an internal watchdog timer (WDT) function to periodically reset the system. With a wide range of features and applications, the XC6124F526MR-G is a reliable voltage supervisor device.

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