TPS51716RUKR

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The TPS51716RUKR is a special purpose voltage regulator from the family of programmable logic devices from TI. It allows control of the output voltage of a computer with a precision of 0.1V. This makes it suitable for a variety of applications where power management is essential, including high-performance personal systems. In this article, we will explore the application fields and working principle of this device.

Application Fields

The TPS51716RUKR can be used to control a variety of system voltages in computers, such as the core voltage, DRAM voltage and system bus voltage. It is especially useful in high-end gaming systems, as well as servers and workstations. This device can also be used in embedded systems that require precise voltage control, as well as in high-performance networking applications.

The TPS51716RUKR is also suitable for a variety of consumer electronics applications. It can be used to accurately control the voltage of LCDs, LED displays, game consoles, high-def cameras and other consumer technology. Additionally, this device can be used in automotive applications, such as voltage regulation for engine control systems and other high-precision applications.

Working Principle

The TPS51716RUKR works by converting a DC input voltage into a precise output voltage. It is a two-stage voltage regulator that utilizes a power MOSFET on the output side for voltage regulation. The first stage is a precision bandgap reference circuit, which acts as a reference voltage for the output stage. The second stage is a voltage control loop that determines the output voltage based on the reference. This loop also includes a feedback network to detect any changes in the output voltage and make the necessary adjustments.

The first stage of the voltage control loop is the voltage setting block, which is composed of voltage setting resistors and capacitors. These components are used to set the desired output voltage and provide fine-tuning of the output voltage. The second stage consists of a low-side MOSFET driver, which is used to control the current that is passing through the low-side MOSFET. This driver is controlled by a Pulse-Width Modulated (PWM) signal from an external controller, such as a microcontroller. The PWM signal varies the voltage at the output of the low-side MOSFET, thus allowing for precise regulation of the output voltage.

Lastly, the TPS51716RUKR features protection circuitries to ensure reliable operation and prevent damage to the regulator. These include short circuit, overvoltage and overcurrent. The device also has a power-on-reset (POR) circuit to ensure proper system startup, as well as a sleep mode circuit to save power when the system is not in use.

Conclusion

The TPS51716RUKR is a specialized voltage regulator that can be used to precisely control the output voltage of computers and other electronic devices. Its two-stage design allows for precise voltage regulation and protection, making it ideal for high-performance consumer and industrial electronics. With its wide range of applications, the TPS51716RUKR is an excellent addition to any programmable logic device.

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