TPS61043DRBTG4 by Texas Instruments

The TPS61043DRBTG4 is a high-quality, high-efficiency, adjustable, 1.5-A switch current, boost converter integrated circuit (IC) designed and manufactured by Texas Instruments. This device is specifically tailored for driving white LEDs with a constant current, which makes it an ideal solution for small, battery-powered devices where efficient power conversion and minimal space occupation are critical.

Key Features:

• Adjustable Output Voltage: The TPS61043DRBTG4 allows for flexibility in lighting design by providing an adjustable output voltage that can be set with external resistors.
• High Efficiency: This IC is designed for maximum power efficiency, which helps to extend battery life in portable applications.
• Constant Current Drive: The device ensures a stable current supply for LEDs, which is crucial for consistent brightness and color over time.
• Small Form Factor: The IC comes in a small, 8-pin SON package, making it suitable for compact designs without compromising performance.
• Integrated Power Diode: The TPS61043DRBTG4 includes an integrated Schottky diode, which reduces the number of external components required and simplifies the overall design.
• Thermal Shutdown: To ensure the device operates within safe temperature ranges, it features a thermal shutdown mechanism.

Applications:

The versatile nature of the TPS61043DRBTG4 makes it suitable for a variety of applications. It is commonly used in:

• White LED backlighting for small LCD displays
• Smartphone and tablet backlighting
• Portable lighting and flashlights
• General-purpose LED lighting

Technical Specifications:

• Input Voltage Range: 1.8 V to 6 V
• Switch Current: Up to 1.5 A
• Adjustable Output Voltage up to 38 V
• Package: 8-pin SON (DRB)

For engineers and designers looking for a reliable and efficient solution for LED driving requirements, the TPS61043DRBTG4 by Texas Instruments stands out as a superior choice. Its compact size, high switch current capability, and adjustable output voltage make it a versatile component for a wide array of lighting applications.