LTC2900-2CMS#TRPBF

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Power management integrated circuits (PMICs) are essential for regulating and providing stable voltages for components and systems. They are also used for monitoring purposes and to ensure that a safe start-up and normal operation of a system can be achieved. Supervisors, under the family of PMICs, are designed specifically to monitor voltage conditions and reset the system when certain conditions are met, ensuring that a system does not continue to run when an unexpected situation is detected. The Supervisors provide on-chip detection for power-on reset (POR), power-supply voltage limit and brown-out conditions plus manual reset input, also known as push-pull action. A notable and popular example of a Supervisor is the Linear Technology Corporation’s LTC2900-2CMS#TRPBF and this article will look into its application field and working principle.

The LTC2900-2CMS#TRPBF is a low power Supervisor IC, with parameters including an operating temperature range of -40°C to 85°C, a voltage input range of 1.8V to 5.5V and an operating current of less than 120nA, making it suitable for a wide range of applications.

It can provide both POR and VCC monitoring functions. The POR function is designed to reset the system when the VCC input rises from 0V to 1.8V and again from VCC falling below 1.8V. This helps systems to boot up safely and test their environment for any abnormal conditions, for example when the power supply is inadequate. The VCC monitoring function monitors the input voltage and produces reset glitches when any overvoltage or undervoltage event occurs. This will help to avoid any further system damage and resetting the system to its original, safe state.

The LTC2900-2CMS#TRPBF also includes a manual reset input, which can be used to reset a system without switching off and on the current supply. This feature helps to reduce power consumption and it is also commonly used for troubleshooting and debugging purposes.

The LTC2900-2CMS#TRPBF is widely used in consumer, commercial and industrial applications. Its robust features, range of operating temperatures, low power consumption and small package size make it suitable for use in a huge range of applications from medical, automotive to consumer electronics. It is also widely used to monitor power supplies for laptop and desktop computers, as well as powering radio frequency (RF) systems such as cellular base stations and networking products.

The LTC2900-2CMS#TRPBF works by sensing the input voltage and then detecting any overvoltage or undervoltage conditions. When an abnormal condition is detected, the reset signal is activated which puts the system into reset mode. This helps to inform the user of any abnormal conditions and also prevents further system damage. The LTC2900-2CMS#TRPBF also has a manual reset input which is used to reset the system when required, without the need for switching off the power supply.

In conclusion, the LTC2900-2CMS#TRPBF is a low power Supervisor IC, designed for voltage monitoring and resetting the system when an abnormal condition is detected. It is suitable for use in a wide range of applications due to its robust features, reliable performance, range of operating temperatures as well as its low power consumption and small package size. It can provide both POR and VCC monitoring functions and has a manual reset input which is used to reset the system without needing to switch off the power supply.

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