TPS40054PWPRG4

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The TPS40054PWPRG4 is a PMIC (Power Management IC) device produced by Texas Instruments. It is a DC-DC switching controller with integrated voltage regulation. This device is designed to efficiently transfer power from an input source to the load while maintaining a regulated output. It provides several advantages over conventional discrete implementations, including small package size, improved thermal performance, flexibility, and cost reduction.

The TPS40054PWPRG4 is a synchronous buck converter featuring an integrated linear regulator. It has a wide input voltage range of 4.5V to 40V and switches at frequencies up to 1.5MHz. The adjustable output voltage is 0.25V to 10V and the output current is up to 8A. The device features a programmable power-save mode which reduces the operating quiescent current by 80%, allowing for improved efficiency at low load currents.

The TPS40054PWPRG4 can be used in a variety of applications such as distributed power systems, telecommunications equipment, portable electronics, and industrial and automotive applications. The integrated linear regulator provides a low output noise and accurate regulation of the output voltage. Its peak current mode control with an integrated 2ms loop compensator allows for stable operation and fast transient response. The device is also protected against overcurrent, thermal overload, and short-circuit conditions.

The TPS40054PWPRG4 features two enable/shutdown inputs with a programmable delay for both of them. The enable/shutdown inputs can be used to enable/disable both the main switch and the linear regulator, allowing for complete control of the system power path. The device also features adjustable soft-start and adjustable active-clamp current limit for optimal heat dissipation and fast load transient response.

The TPS40054PWPRG4 is a flexible device that can be programmed via the I2C compatible interface, as well as by using the SREN/SCK and SDI/SDO pins. The peripherals available in this device include multiple GPIOs, sixteen cycle-by-cycle current sensing ADC, an internal voltage reference, and an analog comparator. This device is also qualified for automotive Grade 0, 2 and 4 applications.

In summary, the TPS40054PWPRG4 is a DC-DC switching controller with integrated voltage regulation. It has a wide input voltage range, adjustable output voltage, programmable power-save mode, adjustable soft-start, adjustable active-clamp current limit and flexible I2C programming. This device can be used in a variety of applications, including industrial and automotive. It is ideally suited for distributed power systems, telecommunications equipment, and portable electronics.

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