The TPS61042DRBTG4 is a high-frequency, high-efficiency DC-DC boost converter from Texas Instruments, designed to drive white LEDs with a constant current. This device is ideal for portable applications where space and power efficiency are critical. The TPS61042DRBTG4 is housed in a small 8-pin SON package, making it an excellent choice for compact designs.

Key Features

• Adjustable Output Voltage: The TPS61042DRBTG4 allows for an adjustable output voltage up to 28V, which is suitable for series white LED applications.
• High Efficiency: With a typical efficiency of up to 85%, this boost converter helps to maximize battery life in portable devices.
• Constant Current Drive: The device ensures a stable and consistent current for driving LEDs, which is crucial for maintaining consistent brightness and color.
• Low Quiescent Current: The low quiescent current of 28µA (typical) makes it an energy-efficient choice for battery-powered applications.
• Integrated Power Diode: The TPS61042DRBTG4 includes an integrated power diode, which simplifies the circuit design and reduces external component count.
• Protection Features: It comes with built-in over-temperature and over-voltage protection, ensuring reliable operation under various conditions.

Applications

The TPS61042DRBTG4 is versatile and can be used in a wide array of applications. It is particularly well-suited for:

• Backlighting for small LCD displays
• White LED driving for portable devices such as smartphones, tablets, and digital cameras
• General LED lighting applications

Technical Specifications

Overall, the TPS61042DRBTG4 by Texas Instruments is a robust, efficient, and versatile solution for powering high-brightness LEDs and is a reliable choice for designers looking to enhance their portable and battery-operated lighting applications.