TPS54612PWPG4

PMIC - Voltage Regulators - DC DC Switching Regulators

The Texas Instruments TPS54612PWPG4 is a DC-DC switching regulator that provides users with a highly configurable, robust and energy-efficient solution. It is part of a larger suite of devices that includes options for off-line, high-efficiency buck regulator designs, or higher-voltage systems with multiphase operation.

Application Field

The TPS54612PWPG4 is intended for use in multiple applications, including but not limited to: notebook PCs, servers, gaming systems, solid-state drives, telecommunications and industrial designs. Further, it can be used to provide power to DDR memory and other critical components, as well as in automotive, networking and industrial applications. Specifically, the device is targeted for voltage conversion applications that use traditional synchronous buck topologies with current load demanding systems. It is also ideally suited for use in designs that demand over-current and over-voltage protection. This device is manufactured with high-efficiency components backed by a highly efficient process, providing an ideal solution for applications such as DC-DC converters, LCD panel bias regulators and high-current step-down converters.

Working Principle

The TPS54612PWPG4 utilizes a synchronous voltage mode-PWM control architecture. It is designed to operate as a high-efficiency buck converter with low ripple and noise, high current and fast transient response. The internal operating frequency is configurable up to 1MHz, providing design flexibility and scalability for varying system requirements. The device utilizes an integrated boost MOSFET to achieve high-density solutions, and is equipped with multiple current sources through its integrated PHASE control pin. This eliminates the need for external components and takes the guesswork out of device configuration.

In operation, the TPS54612PWPG4 utilizes an onboard oscillator which controls the MOSFET operation frequency. Additionally, a comparator monitors the voltage feedback for an output voltage accuracy of ± 12.5mV. In terms of power conversion efficiency, the TPS54612PWPG4 can deliver up to 94% peak efficiency with a 6V input. This high power efficiency enables thermal management optimization and maximum power handling.

Conclusion

The TPS54612PWPG4 is a high-performance DC-DC switching regulator that provides users with a highly configurable, robust and energy-efficient solution. It is ideally suited for multiple applications, including notebook PCs, servers, gaming systems, solid-state drives, telecommunications and industrial designs. It utilizes a synchronous voltage-mode PWM controller architecture and integrated boost MOSFET to achieve high-density solutions, eliminating the need for external components, and providing high current, low ripple and noise with fast transient response. Further, the device offers high power conversion efficiency, enabling thermal management optimization and optimum power handling.