MAX17105ETG+C9U

LED Driver IC Overview

The MAX17105ETG+C9U is an integrated LED driver IC designed for high-efficiency white-light-emitting diode (WLED) applications. It features an internal step-up regulator and supports eight output strings, making it suitable for large liquid-crystal displays. The device operates with a switching frequency range of 500kHz to 2MHz and delivers a regulated current of 30mA. Packaged in a 24-pin TQFN format, it incorporates SMBus and PWM dimming capabilities for precise brightness control.

LED Driver IC Feature Summary

• Integrates a step-up DC-DC regulator with eight independent WLED output channels
• Supports digital control via SMBus interface for configuration and monitoring
• Enables analog brightness adjustment through PWM dimming input
• Features internal power switch for compact surface-mount implementation

LED Driver IC Applications

• Backlighting for large liquid-crystal displays
• White LED driving in portable electronic devices
• High-density display modules requiring multi-string regulation

LED Driver IC Procurement Notes

Verify the complete part number including suffix C9U to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status as indicated by the '+' symbol in the designation. Cross-reference the manufacturer documentation from Analog Devices or Maxim Integrated to validate the specific revision level and environmental ratings before final procurement.

LED Driver IC Selection Notes

Select this component when designing systems requiring eight-series WLED configurations with integrated boost regulation. Ensure the input voltage range supports the required output headroom for the target LCD backlight array. Verify that the PCB layout accommodates the 24TQFN package thermal requirements and that the control interface matches the system's SMBus and PWM signal availability.

LED Driver IC Part Context

This device belongs to the MAX17105 family of LED drivers manufactured by Analog Devices Inc., formerly Maxim Integrated. The ETG+C9U designation specifies the 24-lead TQFN package variant with specific reel packaging. It is categorized under Power Management ICs (PMIC) specifically within the LED Driver segment, targeting high-efficiency lighting solutions for display technologies.

LED Driver IC Replacement Considerations

Consult official Analog Devices substitution guides for verified equivalents. No direct public substitute part numbers are confirmed in the provided source material. Ensure any replacement maintains the 8-channel architecture, 30mA output capability, and 24TQFN footprint compatibility.

LED Driver IC FAQ

What is the maximum switching frequency of the MAX17105ETG+C9U?

The device supports a switching frequency range from 500kHz to 2MHz.

How many WLED strings can this driver support simultaneously?

The MAX17105ETG+C9U is designed to drive up to eight WLED strings.

Does the IC include an internal power switch?

Yes, the MAX17105ETG+C9U integrates an internal step-up regulator switch.