LP5812BYBHR

LED Driver IC Overview

The LP5812BYBHR is a single-channel FlexLED driver IC from Texas Instruments, designed for LED lighting applications. It utilizes a buck topology to regulate output current up to 400 mA. The device operates within an input voltage range of 2.7 V to 5.5 V and supports a switching frequency of 6 MHz. It features both analog and PWM dimming capabilities. The component is housed in a DSBGA-9 package and functions reliably across a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency buck converter for driving LEDs with minimal external components.
• Supports precise analog and pulse-width modulation (PWM) dimming control methods.
• Delivers regulated constant current output suitable for various LED string configurations.

LED Driver IC Applications

• General illumination LED drivers
• Backlighting systems
• Portable electronic device lighting

LED Driver IC Procurement Notes

Verify the specific suffix 'BYBHR' against the manufacturer's official datasheet to confirm pinout and electrical characteristics match design requirements. Ensure compatibility with the intended PCB footprint and thermal management strategy. Confirm RoHS compliance status through the latest product change notifications or certification documents provided by Texas Instruments before finalizing procurement.

LED Driver IC Selection Notes

Select this component when a compact solution for single-channel LED driving is required with integrated buck regulation. Consider the 6 MHz switching frequency for minimizing passive component size. Evaluate the 400 mA maximum output current against the target LED load requirements. Verify that the operating voltage range aligns with the system power supply constraints.

LED Driver IC Part Context

This part belongs to the LP5812 series of FlexLED drivers from Texas Instruments. It is distinct from other variants like the LP5812DYBHR, which may differ in current ratings or control interfaces. The series is designed for efficient, space-constrained LED applications requiring integrated power switching.

LED Driver IC Replacement Considerations

LP5812AYBHR is listed as a parameter-equivalent substitute by distributors. Verify functional equivalence and pin compatibility directly with Texas Instruments documentation before substitution.