LP8550TLX/NOPB

LED Driver IC Overview

The LP8550TLX/NOPB is a high-efficiency LED backlight driver IC manufactured by Texas Instruments. It features six independent output channels, each capable of delivering up to 50mA of current. The device operates with an input voltage range from 2.7V to 22V and supports boost topology for driving series-connected LEDs. It integrates an internal switch and offers PWM dimming control with a minimum pulse width of 25 microseconds. The component is housed in a 25-pin ultra-small micro lead frame package (uSMD) and functions within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

• Six-channel independent LED drive capability with integrated boost converter
• Supports PWM dimming control with fast response characteristics
• Wide input voltage range accommodating various power supply configurations
• Compact surface-mount packaging designed for space-constrained applications

LED Driver IC Applications

• Mobile phone display backlighting systems
• Tablet computer screen illumination
• Portable media player lighting circuits
• Smartphone camera flash drivers

LED Driver IC Procurement Notes

Verify the specific suffix designation against official Texas Instruments documentation to ensure correct package type and tape-and-reel specifications. Confirm that the ordering part number matches the required pinout and thermal performance characteristics for your PCB layout. Cross-reference the datasheet revision history to validate compatibility with your design requirements before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing systems requiring multiple independent LED channels driven from a single boost converter. Ensure the application demands a wide input voltage range suitable for battery-powered devices. Verify that the required dimming frequency and resolution align with the device's PWM control capabilities. Consider the physical footprint constraints imposed by the small outline package during the mechanical design phase.

LED Driver IC Part Context

This part belongs to the LP8550 family of LED lighting drivers from Texas Instruments. It is specifically engineered for portable electronic devices where efficiency and size are critical. The device complements other Texas Instruments power management solutions by providing dedicated backlighting functionality. It is distinct from automotive-grade variants which carry different qualification standards and operating temperature ranges.

LED Driver IC Replacement Considerations

LP8550TLE/NOPB