MAX1573ETE+G104

LED Driver IC Overview

The MAX1573ETE+G104 is a four-output LED driver IC designed for backlight applications. It utilizes a switched capacitor charge pump topology to provide stable current regulation for white LEDs. The device operates with an internal switching frequency of 1MHz and supports PWM dimming control. It accepts supply voltages starting from 2.7V and delivers up to 28mA per channel. Packaged in a 16-TQFN (4x4) surface-mount format, it functions within an operating temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Four independent output channels for driving multiple white LEDs
• Integrated switched capacitor charge pump for voltage step-up
• Supports pulse-width modulation (PWM) for precise brightness control

LED Driver IC Applications

• LCD backlight systems
• Mobile phone displays
• Portable electronic devices requiring white LED illumination

LED Driver IC Procurement Notes

Verify the component authenticity by checking the manufacturer marking against official datasheet specifications. Ensure the package type matches the required 16-TQFN footprint. Confirm that the specific suffix aligns with the intended thermal and electrical characteristics for your design implementation.

LED Driver IC Selection Notes

Select this driver when a compact solution for four-channel white LED backlighting is required. It is suitable for battery-powered devices due to its efficient charge pump operation. Consider the 28mA output limit and 1MHz switching frequency when designing the external passive components and thermal management strategy.

LED Driver IC Part Context

This part belongs to the MAX1573 family of LED drivers. It is specifically engineered for portable electronics where space constraints and power efficiency are critical. The integrated charge pump eliminates the need for external inductors, simplifying the PCB layout compared to inductor-based boost converters.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official distributor databases or manufacturer cross-reference tools for compatible alternatives if this specific variant is unavailable.