TPS62082DSGT

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TPS62082DSGT is a synchronous step-down DC/DC switching regulator, part of Texas Instruments\' TPS6208X family, designed for high-current, low-voltage applications with up to 95 percent efficiency. This device is ideal for supplying power to either single or multiple downstreams, and offers an adjustable output voltage range of 0.6 to 5.5V. It also features a wide input voltage range of 3.2 to 16.5V, which enables operation at high input voltages while consuming low quiescent current but providing high efficiency.

The most noteworthy feature of the TPS62082DSGT is its 4A peak output current capability. This makes it suitable for applications requiring maximum delivery current of 4 Amp. Other features include adjustable output voltage between 0.6 to 5.5V, a typical switching frequency of 750KHz, and a pulsed/DC-controlled enable function for further optimizing power consumption. It also includes a 0.5V reference accuracy, a current limit getter, and thermal protection to prevent damage from over-temperature events.

The device is optimized for space-constrained applications thanks to its ultra-small 6.5x6x1.5mm 16-pin QFN package with an incredibly low thermal resistance. The package helps dissipate heat generated from the device faster, effectively improving its temperature profile and long-term reliability.

The TPS62082DSGT utilizes a synchronous buck converter architecture which allows device to achieve fast transient performance and high efficiency levels. It uses a pair of low-RDS(on) integrated MOSFETs both as the switching element and power component in the output stage. This converter architecture significantly minimizes power losses and increases power efficiency. The device can be controlled both by pulse-width modulation (PWM) and by using DC voltage.

The control architecture in the TPS62082DSGT uses a fixed frequency, voltage-mode architecture with external compensation to achieve accurate voltage regulation. The converter is also equipped with a built-in current limit circuitry which simplifies configuration and helps protect downstream components from over-current events. The converter\'s current limit point can be easily adjusted by an external resistor.

Overall, the TPS62082DSGT is an efficient, compact, and feature-rich device suitable for high-current, low-voltage applications. Its high current capability, wide input voltage and output voltage range, and low-RDS(on) integrated MOSFETs make it an excellent choice for space-constrained, high-current DC/DC switching regulator applications.

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