TPS60111PWPR

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TPS60111PWPR is a member of Texas Instruments (TI) wide range of DCDC switching regulators. It\'s a synchronous step-down buck switching regulator, offering 3A continuous output current and 800kHz switching frequency. It has an input voltage range of 2.375V to 5.5V, and is capable of powering peripherals with up to 0.3V output voltage, making it ideal for IOT, wearables, and portable equipment products.

This family of buck switching regulators features several features that enabled it to be widely used in many different applications. It helps improve system power efficiency with three selectable operating modes: PWM, Continuous Current Mode (CCM) with fast transient response, and Analogue Dimming (ADM) to reduce power dissipation from the output. It can reduce system power supply noise and EMI by 38%, allowing for more efficient power management, longer operating range, and better battery life.

The TPS60111PWPR is designed with an integrated, high-efficiency MOSFET and current-mode control, enabling it to deliver fast switching speeds and unmatched output voltage accuracy. It is also designed with comprehensive short-circuit, over-temperature and over-voltage protection to further enhance design safety when operating at high loads.

The principles of operation of the TPS60111PWPR can be divided into two basic parts: control and switching. The control register sets the inner control loop output voltage and can be adjusted using the on-chip VID (Voltage ID Code) generator. The switching system consists of two parts: the low-side MOSFET, which is in direct parallel (and in phase) with an inductor, and the synchronous high-side MOSFET connected in series with the inductor. When the low-side MOSFET is turned on, this causes current to ramp up in the inductor, while the high-side FET is switched off. As the inductor current approaches its peak, the low-side MOSFET will be switched off and the high-side MOSFET will be turned on. This causes the current to flow through the output capacitor and then through the load, providing the regulated output voltage as desired.

The TPS60111PWPR is a versatile, high-efficiency buck switching regulator, serving a wide variety of applications, including consumer electronics, communications, power supplies, and automotive applications. Its ability to provide precise output voltage regulation and its integrated short-circuit, over-temperature, and over-voltage protection ensure reliable and safe operation in even the toughest environments.

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