TPS65123RGTR

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Voltage regulators, or VRs, are one of the most important components of a power management integrated circuit (PMIC). Special purpose VRs, such as the TPS65123RGTR, are tailored solutions to address specific power management needs. In this article, we will look at the application field of the TPS65123RGTR as well as its working principle.

Application Field of TPS65123RGTR

The TPS65123RGTR is a voltage regulator intended for use in applications such as smartphones, tablets, and other mobile devices. The device is designed to deliver a stable voltage to power-hungry components such as the application processor and memory, while offering excellent cost/performance ratio and low standby current. As such, it is an ideal power management solution for low-cost, power-efficient mobile devices.

The TPS65123RGTR has an adjustable output voltage range of 0.8V to 2.85V and is programmable through the I2C or I2S interface. The device features overcurrent protection, overvoltage protection, and reverse current protection, and offers a low quiescent current of only 10mA in Active mode and 10µA in Standby mode. Furthermore, it also includes programmable shut-down time-out and continuous pulse skip mode.

Working Principle of TPS65123RGTR

The TPS65123RGTR is a dual-channel, single output voltage regulator. It uses an advanced switching architecture that allows for a wide input voltage range, high efficiency, and low output ripple. The device utilizes an internal power switch to drive an external inductor, and incorporates two internal synchronous rectifier circuits that rectify the AC output of the inductor. The rectified AC output is then smoothed by the device’s low ESR output capacitor. As such, the TPS65123RGTR is able to efficiently convert the input voltage to the desired output voltage.

The device also incorporates a number of features to improve system performance and efficiency. For example, it can support the programmable shut-down time-out, which allows the device to automatically shut down after a set period of time in order to conserve power. Furthermore, the continuous pulse skip mode helps to reduce EMI emissions while increasing efficiency in light load conditions. Finally, the device is also able to support I2C and I2S programming, allowing it to be programmed off-chip by an external processor.

Conclusion

The TPS65123RGTR is a special purpose voltage regulator intended for use in mobile devices such as smartphones and tablets. It offers an adjustable output voltage range of 0.8V to 2.85V, programmable shut-down time-out, and continuous pulse skip mode to help improve system efficiency. The device utilizes an advanced switching architecture and synchronous rectification technology to deliver a stable voltage with low output ripple and high efficiency. In addition, the device is also able to support I2C and I2S programming for off-chip programming.

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