LM3538TMX/NOPB

LED Driver IC Overview

The LM3538TMX/NOPB is a six-channel white LED driver IC from Texas Instruments, designed for backlighting applications. It integrates a switched-capacitor charge pump and PWM dimming control. The device supports independent LED channel control, enabling partial illumination subsets. It operates with an input voltage range suitable for single-cell lithium-ion batteries. The component is housed in a DSBGA package and is optimized for portable electronic displays.

LED Driver IC Feature Summary

• Integrates a high-efficiency switched-capacitor charge pump for driving multiple white LEDs
• Provides independent control for each of the six LED channels to support partial illumination
• Supports pulse-width modulation (PWM) dimming for precise brightness adjustment

LED Driver IC Applications

• Mobile phone display backlighting
• Portable media player screens
• Digital camera LCD backlights
• Personal navigation device displays

LED Driver IC Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm pinout and electrical characteristics. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference the RoHS status and lifecycle stage with official documentation before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component when designing systems requiring independent control of multiple white LEDs from a single power source. It is suitable for applications needing efficient step-up conversion without inductors. Consider the output current capabilities and thermal performance relative to the target display size and ambient operating conditions.

LED Driver IC Part Context

This part belongs to the LM3538 family of LED drivers. It is specifically engineered for multi-channel white LED backlighting in portable devices. The TMX suffix indicates tape-and-reel packaging for automated assembly. It complements other TI display driver solutions by providing integrated power management and control.

LED Driver IC Replacement Considerations

Check for LM3538TME/NOPB as a potential alternative variant within the same family. Verify compatibility regarding package dimensions and electrical specifications before substitution.