The TPS61050DRCRG4 is a high-power, fixed-frequency, synchronous boost converter with an integrated 2-A, 40-V power switch from Texas Instruments. Designed to operate with a single-cell lithium-ion or lithium polymer battery, it is ideal for applications requiring high-power white LED flash in portable devices such as smartphones, digital cameras, and other handheld electronics.

Key Features

• Input Voltage Range: 2.5 V to 6 V, suitable for single-cell Li-Ion or Li-Polymer battery-powered applications.
• Adjustable Output Voltage: Up to 5.5 V, allowing for flexibility in driving various LED configurations.
• High-Efficiency Synchronous Boost Converter: Integrated 2-A, 40-V switch to maximize battery life.
• Programmable Current Levels: Supports two or more programmable LED current levels to provide flexibility in controlling the brightness.
• Integrated Power Diode: Facilitates a more compact design and simplifies the overall circuit layout.
• 1.2 MHz Fixed Switching Frequency: Minimizes the size of external components and helps to reduce noise and interference.
• Thermal Shutdown Protection: Enhances the reliability and longevity of the device by preventing overheating.
• Input Under-Voltage Lockout: Protects the device and the application circuit during low input voltage conditions.

Applications

The TPS61050DRCRG4 is designed for a variety of applications that require high-intensity lighting or a high-voltage boost converter. It is particularly well-suited for:

• LED Photo Flash for Smartphones and Tablets
• LED Flashlights and Torches
• Portable Medical Diagnostic Equipment
• Backup Power Supplies
• Low-Power Handheld Devices

Quality and Reliability

As a product of Texas Instruments, the TPS61050DRCRG4 is backed by TI's reputation for quality and reliability in the semiconductor industry. It is available in a small, 10-pin 3x3 QFN package, making it suitable for space-constrained applications.