TPS61161ADRVR Integrated Circuits (ICs)

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TPS61161ADRVR Application Field and Working Principle

The TPS61161ADRVR is a versatile DC/DC buck converter with integrated high- and low-side MOSFETs. It is available in the 10-pin, TSSOP-EP package with a wide input voltage range and up to 3-A output current capability. It is a current-mode step-down DC/DC buck converter that operates from a wide input voltage range of 8V to 35V and provides a regulated output voltage of up to 26 V.

The TPS61161ADRVR is designed for use in a wide range of general-purpose power-supply applications and can provide stable step-down DC/DC converted power for a wide range of applications ranging from microcontrollers and ASICs, to Bluetooth and Zigbee radios, relays, piezo drivers, and more.

Application Field of TPS61161ADRVR

The TPS61161ADRVR is ideal for applications with wide input voltage ranges and output current requirements. It can be used in automotive, industrial and consumer electronics, as well as in test and measurement, medical, and power management equipment. It is particularly applicable to LED drivers, printers, scanners, 3D printers, consumer electronics, and general purpose logic circuits.

The TPS61161ADRVR is also suited for use in battery powered systems, as it provides adjustable voltage, current, and power conservation modes, allowing for higher efficiency and extended battery life. Additionally, the TPS61161ADRVR is suitable for power supplies in low power, industrial and automotive applications, as well as for headlight, tail light, and dashboards.

Working Principle of TPS61161ADRVR

The TPS61161ADRVR is a step-down DC/DC buck converter with a wide input voltage range of 8V to 35V. It has an integrated high- and low-side power MOSFET and a PWM current-mode architecture. This architecture allows the converter to produce a regulated output voltage up to 26V with a wide input voltage range.

The converter regulates the output voltage by alternately switching the integrated high- and low-side MOSFETs at a constant switching frequency. This allows the converter to control the output voltage accurately, while maintaining excellent efficiency over a wide range of load conditions. The TPS61161ADRVR also features optional PGOOD and thermal shutdown functionality, adjustable switching frequency, selectable switching mode, and adjustable soft-start or tracking time.

The TPS61161ADRVR also features a number of protection features, including over-current, over-voltage and under-voltage protection. This makes it an ideal choice for cost-sensitive applications requiring a wide input voltage range and high output current capability.

Conclusion

In conclusion, the TPS61161ADRVR is a versatile step-down DC/DC buck converter with integrated high- and low-side MOSFETs, a wide input voltage range, and up to 3-A output current capability. It is ideal for applications with wide input voltage ranges and output current requirements, such as LED drivers, printers, scanners, 3D printers, consumer electronics, and general purpose logic circuits. It also provides adjustable voltage, current, and power conservation modes, adjustable switching frequency, selectable switching mode, and adjustable soft-start or tracking time.

With its wide input voltage range and high output current capability, together with its excellent efficiency and a variety of protection features, the TPS61161ADRVR is an ideal choice for cost-sensitive applications in the automotive, industrial, and consumer electronics markets.

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