TPS62161DSGT Integrated Circuits (ICs)

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The TPS62161DSGT (DSGT) is a synchronous step-down DC-DC converter, designed to provide superior power conversion from input voltage sources ranging from 6 to 42 V. With a wide input voltage and high power density, it is suitable for a variety of applications including consumer electronic gadgets, industrial automation, ultra-mobile PCs, and automotive infotainment products. The DSGT is a member of the TI’s TPS621** Family of wide input voltage, wide output voltage, and high efficiency DC-DC switch mode voltage regulators. It is designed for extended operations in both non-isolated buck (step-down) and boost (up-conversion) converters and supports wide input and output voltage ranges. The device features a synchronous rectifier which significantly reduces losses, increases efficiency and simplifies system solutions. The TPS62161DSGT is ideal for power systems in a variety of electronic products.

The output of the TPS62161DSGT can be dynamically adjusted over a wide voltage range. The output voltage can range from 0.6 V to 5.25 V, and it can meet the exact power requirements of the load. The device includes a 75 mA high-side switch, a 75 mA low-side switch, and a Hall-effect current-sense amplifier. This combination of components enables the DSGT to provide high efficiency, even during light load conditions. Additionally, the DSGT also includes built-in current and thermal protection, providing system protection from overload or short-circuit conditions. The output voltage of the device can be programmed to follow a pre-determined sequence for multi-rail system designs. This feature is especially useful for processor systems, allowing the processor core and I/O voltage to be accurately controlled.

The TPS62161DSGT incorporates a fixed Frequency valley-current-mode control architecture. This architecture simplifies the design process and provides for fast transient responses and low cost solutions. Further, the device features an adjustable soft-start that provides a smooth output ramp-up when the power supply is enabled. The device can be enabled either with an onboard PWM logic pin or via an external pull-up resistor.

The TPS62161DSGT also includes a wide selection of control features. These features include programmable switching frequency, over-current protection, internal soft-start, under voltage lockout, and temperature compensation. All of these features are available to allow the user to maximize system performance while maintaining system safety. The TPS62161DSGT also includes a wide range of housekeeping features such as load line regulation and voltage loop compensation, providing the designer with flexibility when designing the power-on sequence for a system.

The TPS62161DSGT is available in a 4x4 QFN-24 package. It is rated from -40°C to 85°C and compliant to the IEC60950 and IEC60065 safety requirements. The device is designed for synchronous buck or boost operations, and is optimized for both low operating current and small solution size. The device also offers high efficiency and low cost, providing a solution for a wide range of power management requirements. In summary, the TPS62161DSGT is an ideal solution for portable devices and space-constrained applications.

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