The TPS61189ARTJR is a high-efficiency, fully integrated synchronous boost converter tailored for LED backlighting applications. Manufactured by Texas Instruments, this device is designed to drive multiple LEDs in series, ensuring consistent brightness and enhancing the overall visual experience in various display applications.

Key Features

• Wide Input Voltage Range: The TPS61189ARTJR operates over a broad input voltage range, making it versatile for various power supply conditions.
• Integrated MOSFETs: With internal high-side and low-side MOSFETs, the device reduces external component count, which in turn minimizes the PCB footprint and simplifies the design process.
• Programmable Switching Frequency: The switching frequency is programmable via an external resistor, providing flexibility to optimize for efficiency or to avoid interference with other system frequencies.
• PWM Dimming: It supports high-frequency PWM dimming, which enables precise control over the LED brightness levels, thus improving the power efficiency and extending the LED lifespan.
• Over-Voltage Protection: The built-in over-voltage protection ensures the longevity of the device by preventing damage due to unexpected voltage spikes.
• Thermal Shutdown: Thermal shutdown functionality is included to protect the device in high-temperature conditions.

Applications

The TPS61189ARTJR is ideal for a range of applications that require high-efficiency LED backlighting. These include:

• Notebook computers
• Tablets
• Monitors and TVs
• Portable media players
• Automotive infotainment systems

Package and Quality

Encased in a small 16-pin WQFN package, the TPS61189ARTJR is designed for space-constrained applications. It is RoHS compliant and adheres to Texas Instruments' quality standards, ensuring reliability and performance in demanding environments.

Whether you're developing the latest consumer electronics or enhancing automotive displays, the TPS61189ARTJR offers a high-performance, integrated solution for your LED backlighting needs.