TPS54380QPWPRQ1 Integrated Circuits (ICs)

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The TPS54380QPWPRQ1 is a synchronous buck voltage regulator used in a variety of applications. It is a part of Texas Instruments’ portfolio of switching regulators, which are converters of incoming voltage levels to a specific output voltage. The TPS54380QPWPRQ1 features a wide 4.5V to 20V input voltage range, an integrated 2.5A/2.2A/2A/1.5A/1A/0.75A external switch, programmable overvoltage protection, and supports up to 18V output voltage and 20V-30V input voltage.

As a synchronous voltage regulator, the TPS54380QPWPRQ1 teams a control IC with an external power MOSFET switch to efficiently convert an incoming voltage (Vin) from the battery to an output voltage (Vout). The IC regulates the output voltage by switching the external power switch at a constant frequency. This is known as the `pulse width modulation` (PWM) technique. By regulating the current that flows through the external MOSFET, the PWM technique also helps to protect against current overdraws and possible damage to the circuit.

The TPS54380QPWPRQ1 is typically used in applications such as automotive, industrial devices, televisions, and mobile phones, which require high power efficiency and reliable protection features such as input overvoltage protection or short circuit protection. Its wide input and output voltage ranges make it suitable for a variety of uses and it can output up to 2.5A. The device also has a low operating temperature of -40 to +125°C, making it well suited for applications that require long-term reliable operations.

The TPS54380QPQPRQ1 is highly versatile and can be used for a variety of power-supply solutions. It supports adjustable output voltage (up to 18V) and input voltage (up to 30V). It also has an adjustable output voltage settling time (250μs), adjustable start up and shutdown delays (20μs and 300μs, respectively). The device is capable of running at a constant frequency (250kHz), which can be adjusted based on the output voltage and other system requirements. In addition, the device also provides a soft start feature, which helps to reduce inrush current, and allows for smooth transition from no load to heavy load.

The TPS54380QPWPRQ1 features a very low quiescent current of 1.8μA max, enabling low-input current applications. Its advanced protection features provide additional safety against environmental hazards such as overvoltage and short circuit protections. The device also has an integrated thermal shutdown mechanism to protect against high-temperature conditions. It also features input undervoltage lockout to prevent the device from operating in unsafe/inadequate voltage conditions.

In conclusion, the TPS54380QPWPRQ1 is a highly-versatile synchronous buck voltage regulator that provides an adjustable voltage output from 4.5V to 18V with a wide input voltage range of 4.5V to 30V. It supports up to 2.5A output current and has an extremely low operating temperature of -40 to +125°C. The device also features an extensive range of protection features for improved system reliability as well as a high power efficiency. All these features make the TPS54380QPWPRQ1 an ideal device for a variety of DC-DC power applications.

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