The TPS61121PW is a high-performance, adjustable output boost converter designed by Texas Instruments to cater to a wide range of applications requiring efficient power management. This device is particularly suitable for portable electronics where extended battery life and compact design are critical.
Key Features
- High Efficiency: The TPS61121PW offers up to 96% efficiency, which is achieved through its synchronous switch topology, reducing power loss and improving overall battery life.
- Adjustable Output Voltage: It provides a flexible output voltage range that can be adjusted from 1.8V to 5.5V, allowing it to power a variety of devices from a single-cell lithium-ion or lithium-polymer battery.
- Low Quiescent Current: The device features a low quiescent current of only 28µA, further conserving battery life when the device is in standby mode.
- High Output Current: The TPS61121PW can deliver up to 200mA of continuous output current at 5V, making it capable of driving high-load applications.
- Integrated Synchronous Rectifier: This integrated feature eliminates the need for an external Schottky diode, simplifying design and reducing component count.
Applications
- Mobile Phones and PDAs
- Portable Media Players
- Wireless Headsets
- Handheld Computers
Technical Specifications
The TPS61121PW operates over a wide input voltage range of 0.9V to 5.5V, making it versatile for use with various battery technologies. It features a fixed switching frequency of 1.2MHz, which allows for the use of small external components, reducing the overall solution size. The device is also equipped with over-temperature and over-current protection, enhancing the safety and reliability of the end application.
Package and Availability
Available in a 16-pin TSSOP (Thin Shrink Small Outline Package), the TPS61121PW is designed for space-constrained applications. Texas Instruments provides comprehensive technical support, including datasheets, reference designs, and online tools to assist in the rapid integration of this boost converter into your product designs.
