SE98PW,118 Integrated Circuits (ICs)

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SE98PW,118 Application Field and Working Principle

The SE98PW-118 is a polyphase system-level power management integrated circuit (PMIC) from Semtech. It is used as a power relation controller for a multi-phase power supply system, providing flexible and efficient power management, thermal management and overall system monitoring. The SE98PW-118 can reduce system-level power losses, while providing optimized thermal performance in different thermal management scenarios.

Application Field

The SE98PW-118 PMIC is suitable for a wide range of applications including digital consumer electronics, wireless communication, computing and industrial applications. Specifically, SE98PW-118 is used in applications requiring multi-phase its multi-phase voltage regulator, combined with its PMIC subsystem protection and thermal control.

The SE98PW-118 can also be used in automotive applications to accurately control and monitor multiple power rails, providing on-the-fly system-level power management for in-car-infotainment, Advanced Driver Assistance System (ADAS) and advanced driver warnings. It also supports efficient power management in harsh environmental conditions with wide operational temperature range and high operating temperature, tolerances.

Working Principle

The SE98PW-118 architecture is based on a multi-phase voltage regulator core and a PMIC subsystem protection and thermal control. The system uses smart optical power management (SPM) to reduce power losses and provide optimal thermal performance irrespective of any given application\'s thermal environment. SPM is a combination of digital control and advanced measurement techniques which enables the SE98PW-118 to simultaneously monitor and control the power of each phase independently.

The SE98PW-118 also includes a power and voltage control module (PVC) which enables flexible power management of the system by controlling the output power and voltage. The PVC offers a wide range of adjustment options, allowing the user to tailor the output of the system depending on application requirements. It also ensures that the system operates at the optimal power level for different performance, power efficiency, current and voltage load needs.

In addition to providing additional power management flexibility, the SE98PW-118 also provides comprehensive thermal management. This is achieved using a variety of user-configurable features such as temperature-controlled frequency switching (TCFS), temperature power limiting and thermal monitoring. TCFS can be used to reduce system-level power consumption by slowing down the processor frequency when temperatures reach a certain threshold, while temperature power limiting and thermal monitoring allow the user to set up the system to shut down in the event of an over-temperature event.

Conclusion

In conclusion, the high-performance, low-power SE98PW-118 PMIC from Semtech is an excellent choice for a wide range of applications requiring reliable, efficient and thermal management. Its advanced power and voltage control module, along with its integrated thermal management features such as temperature-controlled frequency switching and thermal monitoring, enable superior performance and reliability in extreme conditions. By correctly configuring the system for its specific application, users can be assured of optimal performance and stability over long lifespan, without incurring significant power losses.

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