TPS51513RHBT

TPS51513RHBT

The TPS51513RHBT is one of the most popular voltage regulator chips used in DC-DC switching controllers, thanks to its wide range of applications and reliable working principle. With a wide input voltage range of 4.5V to 28V, the chip allows for reliable, low-noise, efficient and robust voltage regulation, making it highly suitable for many power management design needs and a popular choice for many applications.

Application Field

The TPS51513RHBT is mainly used to create a stable, low-voltage supply rail in order to power various microcontrollers, digital-to-analogue converters, and even components and subsystems such as voltage reference devices and FPGAs. It also provides a wide input voltage range and high power density, making it suitable for applications such as automotive, IoT and industrial systems.

The chip can also be used to control battery power supplies by smartly managing the state of charge and discharging of the battery. This ensures an efficient draining that prolongs its life and ensures a good balance between power conservation and performance.

Since the TPS51513RHBT integrates a maximum duty cycle adjustable current loop, it can provide great power delivery with low output voltage variations. This makes it suitable for applications that require a tightly regulated output voltage, such as communication systems.

Working Principle

The TPS51513RHBT is a monolithic integrated circuit composed of a low-noise, high-efficiency buck regulator that can step-down input voltages to stable, low-voltage outputs through the application of switching frequencies. The chip uses a switching frequency of up to 3MHz, generating minimal toroidal losses while providing excellent regulation performance.

In addition to its wide input voltage range, the TPS51513RHBT also includes an adjustable current loop and adjustable maximum duty cycle, allowing the user to program the desired output voltage regulation range from the standard 0.48V to the full available input voltage. This helps the chip provide good power delivery with low output voltage variations.

Furthermore, the chip includes integrated MOSFETs (metal–oxide–semiconductor field-effect transistor), allowing it to control power supply signals and perform quick, efficient power conversions while dissipating low levels of power. The chip also features a low-quiescent-current mode that enables minimal power usage while in stand-by mode.

Conclusion

In conclusion, the TPS51513RHBT is a popular DC-DC switching controller thanks to its robust working principle and wide range of applications. It provides a wide input voltage range and high power density, making it suitable for applications such as automotive, IoT and industrial systems. In addition, it includes integrated MOSFETs and adjustable current loop for good power delivery and low output voltage variations. All these features make it an ideal choice for many power management design needs.