TPS61165DRVR: A High-Brightness White LED Driver

The TPS61165DRVR is a high-brightness white LED driver from Texas Instruments (TI). This device is specifically designed to drive high-power LEDs in applications such as display backlighting, general lighting, automotive lighting, and other scenarios requiring high-brightness LEDs.

Key Features and Specifications

• Boost Converter Topology: The TPS61165DRVR is a boost converter, capable of converting a lower input voltage to a higher output voltage to drive multiple series-connected high-power LEDs.
• Wide Input Voltage Range: The device accepts an input voltage range of 3V to 18V, providing flexibility in system design and compatibility with various power sources.
• High Output Current: The TPS61165DRVR can deliver an output current of up to 1.2A, making it suitable for driving high-brightness LEDs with high current requirements.
• Fixed Switching Frequency: The device operates at a fixed switching frequency of 1.2MHz, which helps to minimize electromagnetic interference (EMI) and improve system stability.
• PWM Dimming: The TPS61165DRVR supports PWM dimming, allowing for precise control of LED brightness over a wide range. This feature is particularly useful in applications requiring adjustable lighting levels.
• Integrated Switch FET: The device features an integrated 40V-rated switch FET, which eliminates the need for an external MOSFET, simplifying circuit design and reducing component count.
• Protection Features: The TPS61165DRVR includes integrated protection features such as over-current protection, over-temperature protection, and open-LED protection. These features help to ensure safe and reliable operation of the LED driver.
• Compact Footprint: The TPS61165DRVR comes in a WSON-6 package, measuring just 2mm x 2mm. This compact footprint makes it ideal for space-constrained applications.
• Operating Temperature Range: The device can operate over a wide temperature range of -40°C to 85°C, ensuring reliable performance in harsh environments.

Applications

Due to its high performance and compact design, the TPS61165DRVR is well-suited for a variety of applications, including:

• Display Backlighting: In LCD monitors, televisions, smartphones, and other devices, the TPS61165DRVR can provide stable and efficient backlighting for high-brightness LEDs.
• Automotive Lighting: Automotive interior and exterior lighting systems, such as headlights, taillights, and decorative lights, often use high-brightness LEDs. The TPS61165DRVR can ensure stable operation and reliable brightness output for these applications.
• Portable Devices: For portable devices that require energy efficiency, such as flashlights and portable lamps, the TPS61165DRVR can extend battery life through its efficient power conversion capabilities.
• Indoor and Outdoor Lighting: In home lighting, commercial lighting, and street lighting applications, the TPS61165DRVR can provide constant LED current and brightness through efficient boost conversion.

In summary, the TPS61165DRVR is a high-performance, high-brightness white LED driver from TI that offers a wide input voltage range, high output current, PWM dimming, integrated switch FET, protection features, compact footprint, and wide operating temperature range. Its versatile design makes it suitable for a wide range of applications, making it an excellent choice for system designers looking to optimize LED performance and reliability.