XC6121C739ER-G

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Introduction

PMIC – Supervisors are integrated circuits that monitor critical voltages and insure the environmental conditions around electronic products. C739ER-G is a highly integrated power management and supervision integrated circuit (IC) from ROHM, designed for providing maximum protection for the system.

The XC6121C739ER-G is a dedicated supervisor IC with multiple functions that ensure the safety of the system. This feature-rich device provides the convenience of monitoring, controlling and restoring system parameters and provides monitoring of a wide range of voltage ranges and alarm thresholds. It supports both a single power input and dual power inputs, enabling the user to select an optimal input voltage. The XC6121C739ER-G also utilizes ROHM’s sophisticated power management technology to provide superior performance and low power consumption.

Application Field

The XC6121C739ER-G is mainly used in specially designed systems. It is typically used in the industrial sector, such as in the design of control systems, laptop computers, portable electronic devices, communications systems, network systems, and so on. It ensures data security, power availability, and power compatibility. This chip can be applied to devices that require flexible input voltage range, and also be used in devices requiring protection of important variables such as voltage, current, and temperature.

Apart from the above-mentioned applications, this chip can be used in embedded computers and medical equipment, which have the most complicated application requirements due to their long-term rotation and need for real-time control. In recent years, XC6121C739ER-G has also been used in the automotive industry where strong protection is needed to meet the harsh environment.

Working Principle

The main working principle of the XC6121C739ER-G is that it monitors a wide range of input voltages, current, and temperature in order to detect unlawful changes of those parameters and then switching off the system. The monitored parameters are the input voltage, output voltage, current, temperature, and pressure. If the monitored parameters change beyond their set range, the IC will shut off the system.

This chip is designed to provide system reset, voltage detector, and temperature sensor functions. The device also has a watchdog timer that can be used to reset the system if it encounters a malfunction. The device also has an active-low reset signal that can be used to reset the system if there are irregularities or other anomalies.

The XC6121C739ER-G features a variable reset timeout delay feature, allowing the device to detect power anomalies that occur due to different environmental conditions. This feature-rich device also provides synchronization with external crystal oscillators thereby ensuring accurate timing of the power-on and power-off cycles.

Conclusion

The XC6121C739ER-G is a highly integrated, feature-rich PMIC − Supervisors chip from ROHM. It is designed to provide maximum protection for the system by monitoring a wide range of voltages and alarm thresholds. It supports both single and dual power inputs and also provides reset, voltage detector, and temperature sensor functions. This chip is suitable for use in industrial, embedded, and medical applications due to its sophisticated power management technology and low power consumption.

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