The TPS61151DRCT by Texas Instruments is a high-performance, adjustable frequency, synchronous boost converter integrated with a 1.5-A switch and a dual-channel, 180-degree out-of-phase, WLED driver. It is designed to provide a power-efficient solution for portable devices and is particularly well-suited for LED backlighting in single-cell Li-Ion powered products.

Key Features

• Input Voltage Range: The device supports an input voltage range of 2.7V to 6V, making it ideal for a variety of battery-operated applications.
• High-Efficiency: With an integrated synchronous boost converter, the TPS61151DRCT offers high-efficiency power conversion, which is critical for maximizing battery life.
• Programmable Frequency: The switching frequency is programmable via an external resistor, giving designers flexibility to optimize the converter for various applications and to avoid interference with sensitive RF or audio circuits.
• LED Driver: The dual-channel driver supports up to 10 WLEDs per channel and is capable of driving up to 30mA per LED. The 180-degree out-of-phase operation helps to minimize input ripple.
• Built-in Protection Features: The device includes under-voltage lockout, over-voltage protection, thermal shutdown, and over-current protection to ensure reliable operation under adverse conditions.

Applications

The TPS61151DRCT is versatile and can be used in a variety of applications. It is particularly suited for LED backlighting in portable devices such as smartphones, tablets, and digital cameras. Additionally, it can be used in GPS devices, handheld gaming systems, and any other portable device requiring an efficient, high-brightness LED driver.

Package and Availability

This component is available in a compact 10-pin WSON (DRCT) package, offering a space-saving solution for small form factor applications. It is also RoHS compliant and designed to meet the requirements of environmentally sensitive product designs.