TPS51222RTVR

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The TPS51222RTVR is a high-efficiency, low-power Synchronous Buck switching regulator designed for the next-generation mobile processor platforms, providing up to 2.5A of core voltage to the mobile processor\'s internal current regulators. The TPS51222RTVR is part of Texas Instruments’ broad portfolio of advanced power management solutions, delivering the latest technologies to tackle the challenges of efficient, high-power designs that require extremely fast current handling and reliability. It is suitable for applications including PCs, peripherals, and mobile devices.

Features

• 2.5A maximum output current
• Low-noise, high-efficiency synchronous buck switching regulator
• Fast load transients via internal driver
• Over-temperature protection
• Over-voltage protection
• Independent enable pins for each channel
• PowerSave Mode (PSM)
• Advanced adjustable support for dual output configurations

TPS51222RTVR Application Field and Working Principle

The TPS51222RTVR is an advanced synchronous buck switching regulator designed to easily supply up to 2.5A of current to computer processors, GPUs and other high-performance components. It combines the high efficiency and fast performance of advanced synchronous buck switching technology with advanced power savings modes, over-volage and overload protection, as well as pin selectable support for dual output configurations. The device is optimized for the advanced dynamic power requirements of current-hungry mobile processor platforms, while providing excellent efficiency, fast transient loading and reliable operation. The TPS51222RTVR is ideal for PCs, peripherals, and mobile devices.

The TPS51222RTVR is based on a synchronous buck switching design that utilizes high-speed power MOSFETs to rapidly regulate the output voltage in response to changing load conditions. The ability to quickly respond to changes in the load current not only improves efficiency, but also helps to reduce noise caused by voltage drooping. It also allows the output voltage to be more precisely regulated, reducing the need for additional output capacitance.

Power Saving Mode (PSM)

The power saving mode (PSM) feature of the TPS51222RTVR is a key performance mechanism that simplifies the task of optimizing system power usage, extending battery life and reducing total power loss. The PSM feature enables the device to automatically enter a low-power sleep mode when the load demand is low by reducing its supply current. This can help reduce overall system power consumption in a wide range of applications, such as implementing low power standby modes when the system is not in operation. In addition, the TPS51222RTVR has advanced thermal monitoring and protection circuitry that prevents excessive power losses in the event of thermal overload.

Over-Voltage Protection (OVP)

When the output voltage of the TPS51222RTVR reaches a predetermined level, it enters an over-voltage protection (OVP) state. This helps guard against problems that could damage critical components. It also ensures that the output voltage remains within safe operating limits, protecting the system from potential damage caused by voltage spikes or surges. The OVP feature can be enabled or disabled through external control.

Independent Enable Pins

The TPS51222RTVR features independent enable pins for each output channel that can be used to shut off one or both of the outputs. This can be useful for managing power usage in mobile platforms and for maintaining system safety. The enable pins can be used to quickly power the device on or off in response to external signals, making it easy to monitor and control system current consumption.

Advantages of the TPS51222RTVR

• Fast response times to load changes
• High efficiency, low power consumption
• Over-voltage and over-temperature protection
• Independent enable pins for each output channel
• PowerSave Mode (PSM) to reduce current consumption
• Advanced adjustable support for dual output configurations

The TPS51222RTVR is a high-efficiency, low-power Synchronous Buck switching regulator designed for the next-generation mobile processor platforms, providing up to 2.5A of core voltage to the mobile processor\'s internal current regulators. With its fast response times, high efficiency, low power consumption, and advanced power management features, it is ideal for high-performance applications in the PC, peripheral, and mobile devices markets.

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