Product Overview: Texas Instruments TPS61089RNRT

The Texas Instruments TPS61089RNRT is a high-performance, fully integrated synchronous boost converter that belongs to a family of high voltage output, low IQ switchers. This device is designed to efficiently manage power within a wide input voltage range, making it particularly suitable for battery-powered applications where the input voltage can vary significantly as the battery discharges.

With its advanced design, the TPS61089RNRT can provide a stable output voltage even when the input voltage falls below the desired output level, ensuring consistent performance for the end-user's application. The device is capable of delivering a continuous output current up to 10A when the input voltage is above 2.5V, making it an ideal choice for high-power applications.

Key Features:

• Wide Input Voltage Range: The TPS61089RNRT operates with an input voltage range from 2.5V to 12V, accommodating a variety of power sources including single-cell or multi-cell batteries.
• Adjustable Output Voltage: Users can set the output voltage from 5V to 17V via an external resistor divider, providing flexibility for different voltage requirements.
• High Efficiency: The device features integrated low RDS(on) power MOSFETs, which contribute to its high-efficiency performance and reduced power loss during operation.
• Low Quiescent Current (IQ): The TPS61089RNRT is designed with a low quiescent current, which is critical for battery-powered devices to extend their operating time.
• Protection Features: It includes over-voltage protection (OVP), over-temperature protection (OTP), and under-voltage lockout (UVLO), ensuring safe operation under various conditions.
• Package: The device is offered in a small 3.5mm x 3.5mm VQFN package, making it suitable for space-constrained applications.

Applications:

The TPS61089RNRT is versatile and can be used in a wide range of applications, including but not limited to portable electronics, battery-powered equipment, USB power supply/chargers, and energy harvesting. Its ability to provide a high output voltage from a low input source makes it particularly useful in single-cell lithium-ion battery applications where maximizing the usage of the available battery voltage is crucial.