The TPS61141DRCR is a high-efficiency, synchronous boost converter designed by Texas Instruments, tailored for applications that require a high voltage boost from a single-cell lithium-ion battery or a low voltage power supply. This advanced power management integrated circuit (IC) is particularly well-suited for powering white LEDs used in camera flash, display backlighting, and various other portable lighting applications.

Key Features

• Adjustable Output Voltage: The TPS61141DRCR allows for an adjustable output voltage up to 38V, which can be set via external resistors.
• High Efficiency: With a synchronous switcher design, the device achieves high efficiency, which is critical for battery-powered applications to extend battery life.
• Integrated Power Diode: The inclusion of an integrated power diode simplifies the circuit design and reduces external component count.
• Small Package Size: Housed in a compact 10-pin SON package, the TPS61141DRCR is ideal for space-constrained applications.
• Programmable Soft Start: This feature limits inrush current during startup, providing a controlled voltage ramp-up which is beneficial in preventing system instability.

Applications

The versatile nature of the TPS61141DRCR makes it suitable for a wide range of applications beyond LED lighting. These include:

• Portable Media Players
• Mobile Phones and Smart Devices
• GPS Units
• Handheld Scanners

Technical Specifications

The TPS61141DRCR operates over a wide input voltage range of 2.7V to 6V, making it compatible with various power sources. Its switching frequency is programmable via an external resistor, allowing designers to optimize the performance for their specific application. With built-in over-temperature and over-current protection, the device ensures reliable operation under adverse conditions.

Conclusion

With its high efficiency, flexible design options, and compact form factor, the TPS61141DRCR from Texas Instruments is an excellent choice for designers looking to implement a high-voltage boost converter in their next project. Its robust feature set ensures performance and reliability, making it a go-to component for a multitude of portable and battery-operated applications.