Product Overview: TPS61043DRB by Texas Instruments

The TPS61043DRB is a high-frequency, high-efficiency DC-DC boost converter integrated circuit (IC) designed and manufactured by Texas Instruments. This versatile component is specifically tailored for applications requiring a compact power solution to generate a higher voltage from a lower voltage supply. It is particularly suitable for portable devices, as it can efficiently convert power from single-cell batteries to the voltages required for driving white LEDs, OLED displays, and other similar applications.

Key Features:

• Adjustable Output Voltage: The TPS61043DRB allows users to set the output voltage up to 28V via external resistors, making it adaptable for various applications.
• High Efficiency: With a typical efficiency of up to 90%, this boost converter ensures minimal energy loss during voltage conversion, making it ideal for battery-powered devices.
• Low Quiescent Current: It boasts a low quiescent current of 28µA, which is particularly beneficial for extending battery life in portable devices.
• Integrated Power Diode: The inclusion of an integrated Schottky diode simplifies the circuit design and reduces the external component count, contributing to a more compact solution.
• High Switching Frequency: Operating at a switching frequency of 1.2MHz, the TPS61043DRB allows for the use of small, low-profile inductors and capacitors, reducing the overall solution size.

Applications:

• White LED backlighting for small LCD displays
• OLED display power supply
• Portable battery-powered equipment
• Photo flash power supply

The TPS61043DRB comes in a compact 8-pin VSON (DRB) package that is optimized for thermal performance and space-constrained applications. Its built-in safety features include over-temperature protection and overvoltage protection, ensuring reliable operation under various conditions. Furthermore, the device supports PWM dimming, which is useful for controlling the brightness of LEDs in backlighting applications.

Overall, the TPS61043DRB from Texas Instruments is an excellent choice for designers looking to implement an efficient, high-performance boost converter in their next project, especially where space and power efficiency are critical.