The TPS61085DGK from Texas Instruments is a high-performance, fully integrated boost converter that is part of their power management integrated circuit portfolio. This device is designed to efficiently step up voltage from a lower voltage source, making it ideal for battery-powered applications where extended battery life is crucial.

Key Features:

• Wide Input Voltage Range: The TPS61085DGK operates with an input voltage range from 1.8V to 6V, accommodating a variety of power sources including single-cell lithium-ion or multiple-cell alkaline/NiMH batteries.
• Adjustable Output Voltage: It provides an adjustable output voltage that can be set from 1.8V to a maximum of 12.6V via an external resistor divider, allowing flexibility across different design requirements.
• High Efficiency: The device features up to 96% efficiency, which is achieved through its synchronous rectification and low quiescent current.
• Integrated Power Switch: With an integrated 2A, 0.2-ohm power MOSFET switch, the TPS61085DGK reduces the need for external components, thus saving board space and cost.
• Fixed and Adjustable Switching Frequency: The device offers a fixed 600kHz or an adjustable switching frequency up to 1.2MHz, which allows for a smaller inductor and faster transient response.
• Protection Features: It includes built-in over-temperature and over-current protection, enhancing the safety and reliability of the application.
• Thermal Shutdown: An internal thermal shutdown function protects the device under extreme thermal conditions.
• Small Package Size: The TPS61085DGK comes in an 8-pin MSOP PowerPAD™ package, which is suitable for space-constrained applications.

Applications:

The TPS61085DGK is versatile in its applications, including but not limited to, portable electronics, handheld devices, battery-powered equipment, and positive bias supply for RF power amplifiers. Its ability to provide a high-efficiency boost conversion makes it a reliable choice for designers looking to maximize battery life while maintaining a compact form factor.

Overall, the TPS61085DGK is a high-quality boost converter that combines performance, efficiency, and reliability, making it a go-to solution for power management challenges in a wide array of electronic devices.