LM3530UMX-40B/NOPB

LED Driver IC Overview

The LM3530UMX-40B/NOPB is a high-efficiency white LED driver from Texas Instruments, housed in a 12-DSBGA package. It operates within an input voltage range of 2.7 V to 5.5 V and supports a maximum output voltage of 40 V. The device features a switching frequency of 500 kHz and delivers up to 30 mA of output current per channel. It includes programmable ambient light sensing capabilities and supports both I2C and PWM control interfaces for brightness regulation.

LED Driver IC Feature Summary

• Integrates programmable ambient light sensing for adaptive brightness adjustment
• Supports dual control methods via I2C digital interface and PWM analog input
• Utilizes boost topology for efficient white LED driving with internal power switch

LED Driver IC Applications

• Mobile phone backlighting systems
• Portable electronic device illumination
• Camera flash drivers

LED Driver IC Procurement Notes

Verify the specific suffix 'UMX' against official Texas Instruments documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with I2C bus levels and PWM signal requirements in the target design. Cross-reference the '40B' designation with datasheet revisions to confirm pinout and electrical parameter consistency.

LED Driver IC Selection Notes

Select this component when designing compact LED lighting solutions requiring integrated ambient light sensing. The 12-DSBGA package suits space-constrained applications. Verify that the 30 mA output current meets the LED string requirements and that the 40 V output limit accommodates the forward voltage of the selected LED configuration.

LED Driver IC Part Context

This part belongs to the LM3530 family of high-efficiency white LED drivers. It shares functional similarities with variants like LM3530UME-40/NOPB but differs in packaging and reel specifications. The series is designed for portable electronics, offering a balance of efficiency, size, and advanced control features such as ambient light sensing.

LED Driver IC Replacement Considerations

LM3530UME-40/NOPB

LED Driver IC FAQ

What control interfaces are supported by the LM3530UMX-40B/NOPB?

The device supports both I2C digital control and PWM analog dimming inputs.

What is the maximum output voltage capability?

The LM3530UMX-40B/NOPB can support a maximum output voltage of 40 V.