MP3318GC-Z

LED Driver IC Overview

The MP3318GC-Z is a three-channel step-up white LED driver from Monolithic Power Systems. It operates with an input voltage range of 2.7 V to 5.5 V and delivers a maximum output voltage of 38 V. The device supports switching frequencies of 500 kHz and 1 MHz. Each channel provides an output current capability of 25 mA. It features linear and exponential analog dimming control via an I2C interface. The component is housed in a WLCSP-12 package and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates three independent boost channels for driving multiple white LEDs
• Supports precise brightness adjustment through linear and exponential analog dimming
• Includes comprehensive protection mechanisms against short circuits, over-voltage, and over-temperature conditions

LED Driver IC Applications

• Backlighting systems for mobile devices
• Display illumination for portable electronics
• General-purpose white LED lighting modules

LED Driver IC Procurement Notes

Verify the specific suffix 'Z' indicates RoHS compliance status as per manufacturer documentation. Confirm the WLCSP-12 package dimensions match PCB layout requirements. Ensure design compatibility with I2C bus protocols for dimming control. Validate thermal performance under maximum load conditions within the specified operating temperature range.

LED Driver IC Selection Notes

Select this component when designing compact LED drivers requiring multi-channel output from a single IC. It is suitable for applications needing flexible dimming curves controlled via digital interfaces. Consider the 25 mA per channel limit and 38 V maximum output voltage when sizing external components. The small form factor makes it ideal for space-constrained portable designs.

LED Driver IC Part Context

This part belongs to the MP3318 series of LED lighting driver ICs manufactured by Monolithic Power Systems. MPS specializes in high-performance power management solutions. The MP3318 series focuses on efficient white LED driving with integrated control features. This specific model targets applications requiring precise current regulation and dimming capabilities.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other three-channel boost LED drivers if substitution is required.