PS8A0087WE

Series:	*
Part Status:	Obsolete

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PS8A0087WE Application Field and Working Principle

PS8A0087WE is a special-purpose integrated circuit (IC) designed and manufactured by Texas Instruments to provide a power management solution for a variety of applications. The PS8A0087WE device is a low-power, cost-effective, multi-rail Power Management Integrated Circuit (PMIC) and provides a complete power solution for processors and external peripherals. The device combines five controllers: Three internal linear controllers, one inductor-less constant frequency (CLF) buck controller, and one external buck controller.

Applications Field

The PS8A0087WE device is ideal for applications such as Wearable, Ultra-Mobile PC, Medical, IoT devices, Low Power Industrial and Automotive applications. The device offers a low power, compact design suitable for a wide range of applications.

Working Principle

The PS8A0087WE device contains three internal linear controllers. These controllers convert the incoming voltage to an adjustable voltage through simple linear regulation. The linear regulators do not require the use of an inductor and can be used in a wide variety of applications to optimize power efficiency. They have excellent temperature performance and current limit protection.The device also includes one internal CLF buck controller and one external buck controller providing up to three separate step-down converters. These buck controllers are used in applications where power efficiency is important in order to lower cost and improve system efficiency.The PS8A0087WE device is also equipped with a power sequencing controller and a power gating controller providing better flexibility in power sequencing and power gating applications.Finally, the PS8A0087WE device also contains a low-dropout voltage regulator with an adjustable output voltage which provides efficient power solutions for portable and mobile systems.

Conclusion

The PS8A0087WE device provides a complete power solution for a wide variety of applications. Its highly efficient, low-power design, in combination with the integrated controllers, offer a compact and cost-effective solution. This makes it ideal for a wide variety of applications including wearables, ultra-mobile PCs, medical, IoT devices, low power industrial, and automotive applications. Ultimately, this integrated power solution makes the device an attractive option for system designers looking to reduce board space while optimizing power efficiency.

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