LTC2901-2CGN#PBF

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Supervisors in the PMIC (Power Management Integrator Circuit) family offer a wide range of protection and performance benefits for modern electronic applications. LTC2901-2CGN#PBF is a specialty supervisor IC designed and manufactured by Linear Technology Corporation. It is designed to provide accurate voltages and current rather than conventional regulators and thus enable more efficient power supply systems. This article provides an overview of the application field of the LTC2901-2CGN#PBF and its working principle.

application field and Working principle of the LTC2901-2CGN#PBF

LTC2901-2CGN#PBF is a two-channel supervisor that provides general monitoring and detection for a wide range of applications such as computing and communications system. It provides an 8-bit A/D converter for measuring voltage, current, temperature and additional external sensors. The user can select different input ranges for each of the two channels.The chip offers an adjustable trip point capability to detect when a parameter goes below or above a certain level. The trip point levels are programmed using two digital potentiometers. The supervisor can be configured to trigger an interrupt, reset, output pulse or initiate an alarm on a pre-defined level. For instance, if a temperature inside a communication system is above a certain range, then an action is taken before the system is damaged. The output pulse can also be programmed to suit different applications.The working principle of the LTC2901-2CGN#PBF is based on a differential analog architecture which is combined with an advanced digital circuit. This combination provides a very high accuracy measurement with minimal power consumption. The chip can be powered down during non-operating times, saving power and money. Moreover, it also provides a high immunity to environmental noise due to its differential amplifier architecture.The LTC2901-2CGN#PBF supervisor is also packaged in a 6-lead SOIC package which makes it suitable for space-constrained applications. It is available with or without built-in test circuitry and is pin compatible with other LTC components.

Conclusion

LTC2901-2CGN#PBF is a specialized supervisor IC for a variety of applications including computing, communications and others. Its differential analog architecture and advanced digital circuit provide high accuracy measurement with minimal power consumption. Its adjustable trip point feature enables it to detect when a parameter is out of range and to take an appropriate action. Its 6-lead SOIC package additionally allows it to be used in space constrained applications.

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