LTC2916CDDB-1#TRMPBF

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Power Management Integrated Circuit (PMIC) plays an important role in power management. PMICs aid in regulating power and transferring energy from the battery to the application, improving power quality, mitigating electro-magnetic interference, ensuring the circuit efficiency and more. As one of the most popular PMIC categories, Supervisors are of utmost importance for precise power management in both mobile and embedded applications, making sure that the voltage and current levels stay within certain limits.

The LTC2916CDDB-1#TRMPBF is a precision supervisor IC that belongs to this family of supervisors. Its purpose is to monitor over voltage, under voltage, positive current, and negative current conditions. It is typically used in battery-operated systems to restore stability after a fault condition occurs, or to prevent unacceptable voltage, current or temperature levels. Moreover, this IC offers split voltage-monitoring options, thermal management, a choice of thresholds and delayed-power-good outputs.

Key Features and Benefits of LTC2916CDDB-1#TRMPBF

1. Split voltage-monitoring input pins providing two reference voltage ranges.
2. Detects up to 4 differential fault conditions with single point accuracy.
3. Thermal management capability with temperature monitoring output available for via an external NTC thermistor.
4. Programmable reset/power-good threshold and the ability to delay reset/power-good outputs.
5. Compact TDFN package, with an operating temperature range of -40ºC to +125ºC.

Application Field

The LTC2916CDDB-1#TRMPBF supervisor IC can be found in industrial processes, automotive, communication and power systems and in a large number of space and military applications. The circuit’s small size, combined with its high degree of accuracy and its large range of voltage monitoring and switching capabilities, make it ideal for embedded designs requiring precise voltage regulation and thermal management. It is typically used in power systems as an over-voltage, under-voltage, and current monitor, reset-on-fault generator, or over-temperature indicator.

Working Principle

In order for the LTC2916CDDB-1#TRMPBF supervisor IC to work, its power terminals must be supplied with the appropriate voltage. Two monitoring inputs allow the voltage or current at two predetermined levels to be monitored. The circuit\'s outputs are either open-drain or push-pull configurations, and can take arbitrary logical states until they arrive to the predetermined threshold level. Once the threshold level has been reached, a reset (or power-good) is issued and the output immediate goes active.

This IC has an operating temperature range of -40ºC to +125ºC, making it suitable for use in a variety of challenging environments. It also comes with a power-on reset and power-fail comparator, and can be programmed to issue a reset before the power supply falls below the predetermined threshold level. This circuit also has a built-in thermal management system with an additional output for temperature monitoring, allowing for additional safety protections in both industrial and embedded applications.

Conclusion

The LTC2916CDDB-1#TRMPBF supervisor IC is a useful and versatile power management and monitoring tool that can be used in a wide range of applications. It offers precise voltage and current regulation with programmable thresholds, as well as thermal management, split voltage-monitoring and delayed-power-good outputs. Combining superior performance and reliable operation in a compact TDFN package, this supervisor IC is suitable to be used in industrial processes, automotive, communication and power systems, embedded designs and a variety of space and military applications.

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