LTC2919CMS-2.5#TRPBF

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LTC2919CMS-2.5#TRPBF (Low Dropout Linear Regulator/Controller with Reset, Watchdog Timer and Power-On Reset) is an integrated power management solution designed for industrial control, audio, and communication applications, providing a reset signal, power on reset and over voltage and over temperature protection. The LTC2919CMS-2.5#TRPBF belongs to the PMIC (Power Management IC) family of supervisors. This type of IC has the function of monitoring and supervising the voltage, temperature and current of the main power supply and providing protection for the main system.

Application Field

The LTC2919CMS-2.5#TRPBF is mainly used as power supply supervisors in various electronic products such as communication equipment, automotive systems, industrial control systems and home appliances. The main functions are monitoring and resetting the power status and guaranteeing the normal operation of the system.

The main function of the LTC2919CMS-2.5#TRPBF is to monitor the system power for the integrated application. When the power supply voltage is below the reset voltage threshold, the supervisor will send out an interrupt signal to alert and reset the system. At the same time, when the power supply voltage exceeds the over-voltage threshold, the supervisor will restrict the power supply circuit and protect the system from potential dangers.

Working Principle

The LTC2919CMS-2.5#TRPBF’s reset signal works by measuring the supply voltage and comparing it to the reset threshold voltage. If the supply voltage drops below the reset threshold, the supervisor will generate an interrupt signal, triggering a reset of the system. This mechanism is used to guarantee that the system will start from a proper condition when the power supply voltage is reset.

In addition, the supervisor monitors the power supply voltage for over voltage (OV) and overtemperature (OT). The OV function checks whether the voltage exceeds the set OV threshold. If it does, the supervisor will output a signal to interrupt or force the power circuit to reset, preventing possible system damage caused by a high voltage input.

The OT function monitors the system temperature and ensures that the temperature remains within the predefined range. If the temperature exceeds the set OT threshold, the supervisor will generate an interrupt signal to alert the system and initiate the power reset process. This allows the system to detect and prevent potential thermal runaway before it occurs.

Conclusion

The LTC2919CMS-2.5#TRPBF can be used for a wide range of applications and is a great tool for protecting and managing system power. It monitors the supply voltage and compares it to the set thresholds, generating an interrupt when the voltage graduates out of the limits. Also, the supervisor can monitor and protect the system from over voltage, over temperature and other potential dangers, ensuring the system is operating properly.

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