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TPS51620RHAT Application Field and Working Principle

The TPS51620RHAT is a special purpose voltage regulator designed by Texas Instruments. It is part of the PMIC (Power Management Integrated Circuit) family, specifically in the voltage regulators category. This voltage regulator offers very high accuracy (±1%) combined with three capacitive outputs, which makes it very suitable for special applications.

The main application of the TPS51620RHAT is in mobile phone and notebook mainboards, being a very reliable replacement for the previous buck converters used in those circuitries. The stability and power savings of the parts are very appreciated due to their extreme efficiency (86% up to 92%).

The working principle of the TPS51620RHAT is quite simple. It takes a direct current (DC) as an input and provides a regulated output depending on the controlling parameters of the circuit. The controller includes all the needed elements for getting an effective circuitry, from the protection diodes to the voltage reference. To help the design of the boards, the part also provides a power good signal, so that you can monitor the correct operation of the voltage regulator.

The main feature of the TPS51620RHAT is its very high accuracy and its ability to provide multiple outputs. This is achieved trough the usage of two outputs with adjustable voltage and one with a fixed voltage. All of them are provided with the corresponding protection diodes and the reference voltage, and can even provide adjustable current limit and power good signal.

Finally, the TPS51620RHAT can be used in many different applications, from controlling a motors or lamps, to powering the board itself or any other electrical device. It can even control remotely the rising and falling output, as well as its stand-by mode. It all depends on the needs of the circuit.

Conclusion

In conclusion, the TPS51620RHAT is an excellent option to control the output and power of many different electrical devices and components. It is designed to provide very accurate outputs with multiple voltage ranges, and can even be remotely controlled with its integrated power good signal. Its high efficiency and power savings make it especially suitable for mobile phone and notebook circuits, and the adjustable current limit allows for a fine tuning of the output voltage.

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