MAX1573ETE-G104

LED Driver IC Overview

The MAX1573ETE-G104 is a high-efficiency, step-up voltage regulator IC designed for portable devices requiring higher voltages. It functions as a white LED driver with four outputs, utilizing a switched capacitor charge pump architecture. The device supports analog and PWM dimming capabilities, delivering an output current of 28mA per channel. Operating at a frequency of 1MHz, it provides a fixed output voltage of 6V. The component is housed in a 16-TQFN (4x4) package with an exposed pad and operates within a temperature range of -40°C to 85°C.

LED Driver IC Feature Summary

• Integrates a high-efficiency step-up voltage regulator with a switched capacitor charge pump topology
• Provides four independent output channels specifically configured for white LED backlighting applications
• Supports dual dimming methods including analog control and pulse-width modulation (PWM)
• Features a compact 16-pin TQFN surface-mount package with an exposed thermal pad

LED Driver IC Applications

• Portable electronic device backlighting systems
• White LED driver circuits for mobile displays
• Step-up voltage regulation for low-voltage battery-powered systems
• High-efficiency power management in space-constrained handheld devices

LED Driver IC Procurement Notes

Verify the specific suffix G104 against the manufacturer's official datasheet to confirm packaging details and lead-free status. Ensure compatibility with the required 16-TQFN footprint and thermal pad soldering requirements. Cross-reference the operating temperature range and output current specifications with the target application design constraints before procurement.

LED Driver IC Selection Notes

Select this component when a compact, high-efficiency solution is needed for driving multiple white LEDs from a single-cell lithium-ion or lithium-polymer battery source. The integrated charge pump eliminates the need for external inductors, saving board space. Consider the 28mA output limit and 1MHz switching frequency when designing filter components and assessing electromagnetic interference requirements for sensitive portable electronics.

LED Driver IC Part Context

This part belongs to the MAX1573 family of LED drivers manufactured by Maxim Integrated, now part of Analog Devices Inc. The series focuses on efficient power conversion for portable consumer electronics. The ETE suffix typically denotes the specific tape-and-reel packaging configuration and environmental compliance standards defined by the manufacturer for mass production volumes.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence regarding pinout, electrical parameters, and package dimensions if considering alternative suppliers. Consult the manufacturer's official cross-reference tools for validated replacements.