MAX1570ETE-TG075

LED Driver IC Overview

The MAX1570ETE-TG075 is a white LED current regulator IC from Analog Devices, utilizing a charge pump topology. It operates on a single input voltage ranging from 2.7V to 5.5V and delivers up to 30mA of output current. The device supports PWM dimming for brightness control and functions within an operating temperature range of -40°C to +85°C. Packaged in a 16-TQFN (4x4mm) surface-mount format, it dissipates approximately 1.349W of power.

LED Driver IC Feature Summary

• Integrates a switched capacitor charge pump to drive white LEDs from a single low-voltage source
• Provides precise constant current regulation with adjustable output levels
• Supports high-frequency PWM dimming for efficient backlight brightness control

LED Driver IC Applications

• White LED backlighting for portable electronic devices
• LCD panel illumination systems
• Mobile phone display backlights
• Handheld computing devices

LED Driver IC Procurement Notes

Verify the specific suffix TG075 against the manufacturer's official documentation to confirm packaging quantity and tape-and-reel specifications. Ensure the ordering part number matches the exact thermal and electrical requirements for your design. Cross-reference the datasheet revision date to confirm compatibility with current supply chain standards.

LED Driver IC Selection Notes

Select this component when a compact solution is required for driving white LEDs from a single-cell lithium battery or similar low-voltage source. The integrated charge pump eliminates the need for external inductors, reducing board space. Verify that the required LED forward voltage falls within the regulator's operational headroom for optimal efficiency.

LED Driver IC Part Context

This part belongs to the MAX1570 series of LED drivers designed for portable applications. It replaces older discrete solutions by integrating regulation and pumping capabilities into a small footprint. The TQFN package offers improved thermal performance compared to traditional leaded packages, supporting reliable operation in dense PCB layouts.

LED Driver IC Replacement Considerations

Direct substitutes include other Maxim Integrated white LED drivers with charge pump functionality, such as the MAX1571 or MAX1572 series. Verify pinout compatibility and current rating before substitution. Check for updated revisions if sourcing from different distributors.