TPS651851RSLR Integrated Circuits (ICs)

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PMIC - Power Management - Specialized has long been established as one of the most essential components of any electronics system. The introduction of the TPS651851RSLR device into the market offers a degree of high-efficiency power supply and is set to revolutionize the way in which electronics are powered in the years to come.

The TPS651851RSLR is a high efficiency, low quiescent current, high frequency switching voltage regulator that offers a variety of power and voltage management solutions for applications ranging from industrial and medical to consumer, automotive, and aerospace. It has been developed in a compact QFN-14 package, making it ideal for space-constrained applications.

The TPS651851RSLR can convert a regulated voltages from 4.5 to 21 VDC up to 1.8 VDC and 10 A of load current. It is designed to handle high switching frequencies up to 2.75 MHz, accommodating frequencies of 2.2MHz and above without the need for a large heatsink. Additionally, the device offers advanced protection features such as over current, over voltage, under voltage, and over temperature. In addition, the device is compliant with important EMC standards such as CISPR 25 Class 5, ESD, and EMI.

In terms of its applications, the TPS651851RSLR can be applied to a variety of power circuits. In industrial and medical applications, the device can be used to provide power supply solutions for medical instruments and industrial equipment. In consumer and automotive applications, the device provides power solutions for products such as television sets and automotive electronics. Lastly, in aerospace applications, the device can be used to power aircraft systems and components.

The TPS651851RSLR also enables efficient power management in a wide variety of settings. It operates in a discontinuous conduction mode, enabling efficiency levels up to 92%. Its programmable slew rate also allows for smooth transition from high to low current settings, allowing for an even higher level of efficiency. The device further provides voltage tracking for optimal power efficiency and remove line transient response. It also features both external and internal soft start-up features, enabling a clean start even when confronted with large in-rush currents or a high DC line.

The working principle of the TPS651851RSLR is relatively simple. The device is designed to switch between a low current and a high current mode, based on the load current and the input voltage. When the voltage reaches a certain threshold, the device switches to a high current mode and begins to provide the necessary power to the load. When the load current reaches a certain threshold, the device switches back to a low current mode and starts to prepare for the next cycle. The control loop of the device continually adjusts the output voltage and keeps the output current at a given level.

In conclusion, the TPS651851RSLR is a highly efficient, low quiescent current, and high frequency switching voltage regulator offering sophisticated power management solutions for a variety of applications, from industrial and medical, to consumer, automotive, and aerospace. The device is developed in a compact QFN-14 package, making it ideal for space-constrained applications. Its advanced protection features and efficient working principle guarantee a high level of reliability and performance.

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