LTC2915HDDB-1#TRPBF

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Power management integrated circuits (PMICs) are the type of integrated circuits providers executive processes within many different electrical systems. PMICs handle various on-board tasks and are part of a complex system that handles a variety of functions such as power switching, voltage regulation, power supply sequencing, power supply sequencing, power protection, and power management. Supervisors are one kind of PMICs which consisting of logic, timing, output drivers, soft power sequencing, and other large parts that all contribute to the large-scale system, The LTC2915HDDB-1#TRPBF is a member of a series of Supervisors which is Protected, 2.5V-5.5V, SOT-23-5, Wide operating temperature range.

Application Field:

The LTC2915HDDB-1#TRPBF can be applied to a wide variety of applications including digital consumer electronics, optical storage, set-top boxes, microprocessors, audio, power supplies, vehicle PC, handheld devices, networking, particularly those applications which may require higher accuracy. It can also be used in communication, metering, power supply, automotive, and consumer electronics equipment.

Working Principle:

The supervisor is an integrated circuit that monitors a power supply. It monitors the inputs, raising an alarm when a supply voltage exceeds the preset limits. The supervisor will then promptly shut down the circuit, preventing possible damage or malfunction. It performs several different functions, including over-voltage detection, which will stop the supply from going above the predetermined threshold. Other functions can also be performed, such as under-voltage detection, voltage regulation, current limiting, sequencing and thermal protection.

The LTC2915HDDB-1#TRPBF works in four stages. First, it checks the supply voltage. If it is too low or too high, the circuit will be shut down and an alarm will be sounded. Second, it will monitor the temperature of the circuit and if it reaches a preset limit, it will shut down. After this, the supervisor will regulate and limit the current entering the circuit and finally, it will perform the power-on-reset function.

The LTC2915HDDB-1#TRPBF adds reset control, active-low reset output with manual reset control. Its reset control feature handles brownouts, power-on reset (POR), manual reset control and a wide operating temperature range. Through its integration of reset, it provides accurate voltage and temperature monitoring without the need for external components.

Conclusion:

The LTC2915HDDB-1#TRPBF is a supervisor IC which provides protection, reset and wide operating temperature range. The results of the circuit being supervisor can both alert users of any malfunction and automatically shut down the circuit, preventing further damage. It has a wide application field and is thus suitable for many different types of circuits.

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