TPS62152RGTT

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The TPS62152RGTT is a synchronous monolithic buck regulator designed to convert 5V inputs to output voltages as low as 0.7V. It provides up to 3A load current, supports all required power supply sequencing, and provides onboard power disables and soft-starts. The efficiency is generally higher than competing synchronous buck controllers, with minimal external components and external component tolerances. It also provides an accurate and software programmable switching frequency and includes a wide range of safety features.

Application Field and Working Principle

The TPS62152RGTT is suitable for applications in a wide range of products such as gaming PCs, server systems, desktop PCs and laptops. It could also be used in industrial equipment, automotive and consumer electronics which require low voltage conversion and is specifically designed for applications that demand high power efficiency. As a power supply, it simplifies board layout and reduces component count compared to conventional DC/DC step-down converters.

The TPS62152RGTT consists of a voltage regulator, switches, and integrated Schottky diodes that convert the input voltage and current to a low-voltage output. It is a voltage mode synchronous buck controller with automatic PWM and Burst Mode® operation. It supports two reference voltages and features an internal soft-start with adjustable slew rate. The device is implemented with an external field-effect transistor (FET) to switch the output voltage at a fixed frequency of 300kHz or 600kHz. The internal control loop is designed to track the desired output voltage and switch the FET to keep the output steady.

The TPS62152RGTT operates at a maximum recommended operating frequency of 2.2 MHz allowing for operation in a wide temperature range and improved output voltage setpoint accuracy compared to existing controllers. It also provides a wide acceptance of input voltage range which allows operation from 4.5V to 6V.

The device is designed to reduce power dissipation while maintaining high efficiency. Its internal current limit and short circuit protections make it an ideal solution to many applications. The TPS62152RGTT also has a thermal shutdown feature to protect the device from extreme temperatures. It is easily programmable to suit an application’s specific needs.

The TPS62152RGTT\'s integrated low side FET offers good thermal protection for the output diode with low charge injection and low resistive loss. It has an adaptive switching frequency to allow for a fast transient response and a wide input voltage range. It is intuitively programmable using a small number of external components with the ability to adjust soft-start, slew-rate and loop compensation.

The TPS62152RGTT is an adjustable, synchronous monolithic buck regulator for applications that require conversion of a 5V input voltage to output voltages as low as 0.7V. With its high efficiency, integrated power switches and low component count, it exhibits exceptional performance in both commercial and industrial applications. Its effective thermal protection and adaptive switching line frequency make it an ideal solution for the development of mobile applications.

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