TPS54225TPWPRQ1 Integrated Circuits (ICs)

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“TPS54225TPWPRQ1”, which belongs to DC DC switching regulators among the voltage regulators of PMIC (power management integrated circuit), is an integrated low-cost power supply solution used in consumer electronic fields. It can offer up to 5A current and deliver regulated voltage from 3.3V to 18V. This device is capable of driving up to 30 Watts, delivering up to 88% ultra-high efficiency and offering superior load and line regulation performances.

Application Field

TPS54225TPWPRQ1 cover various applications from consumer electronics, mobile devices, home appliances, display panels, cloud computing, automotive, and industrial control. This device can serve as a fixed-voltage power supply or local power supply, or on-demand adjustable power supply to meet the needs of different power modules.

Working Principle

TPS54225TPWPRQ1 consists of two main blocks: Pulse Width Modulation (PWM) module and Power Signal Control (PSC) module.

• PWM Module:

The Pulse Width Modulation (PWM) module is responsible for generating and regulating the pulse width. The transistor operates in a pulse mode and the output voltage is regulated by adjusting the pulse width accordingly. The PWM module receives the output voltage from the output feedback blocks and compares it to the reference voltage. The error signal, which equals the difference between the output voltage and the reference voltage, will be integrated to form an output voltage regulation signal. This signal will then be used to control the pulse width of the power switching transistor.

• Power Signal Control (PSC) Module:

The PSC module is mainly responsible for controlling the frequency and providing the necessary current sense information to the output voltage regulation. The transistor operates on a frequency determined by the PSC module and outputs a current which is sensed by the current monitor. The sensed current is then used to provide feedback information to the PWM module for output voltage regulation.

Conclusion

To sum up, TPS54225TPWPRQ1 is an integrated low-cost power supply solution used in consumer electronic fields, capable of providing up to 5A current and delivering regulated voltage from 3.3V to 18V. It can serve as a fixed-voltage power supply or local power supply, or on-demand adjustable power supply to meet the needs of different power modules, offering up to 88% ultra-high efficiency and superior load and line regulation performances. This DC DC switching voltage regulator consists of a PWM module and a PSC module, both working together to provide the desired output from the power supply.

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