MAX6947ATE+

LED Driver IC Overview

The MAX6947ATE+ is a high-density LED driver IC manufactured by Analog Devices Inc. under the Maxim Integrated brand. It features sixteen constant-current outputs designed for driving LEDs in display and lighting applications. The device integrates an I2C serial interface for control, allowing for individual channel adjustment of current and PWM dimming. It operates within a supply voltage range of 2.5V to 5.5V and supports a wide operating temperature range from -40°C to +85°C. The component is housed in a TQFN-EP-16 package, providing efficient thermal dissipation through an exposed pad.

LED Driver IC Feature Summary

• Integrates sixteen independent constant-current LED channels with adjustable output levels
• Features an I2C-compatible serial interface for simplified system connectivity and control
• Supports individual per-channel PWM dimming for precise brightness management
• Includes internal oscillator and charge pump circuitry to minimize external component count

LED Driver IC Applications

• Backlight illumination for mobile devices and portable electronics
• Segmented and dot-matrix LED display panels
• Industrial control indicator lighting systems
• Automotive interior ambient lighting modules

LED Driver IC Procurement Notes

Verify the specific suffix 'ATE+' against the official Analog Devices datasheet to confirm the operating temperature range and packaging type. Ensure that the I2C address configuration matches the system design requirements. Cross-reference the pinout diagram with the PCB layout to guarantee correct alignment of the exposed thermal pad for adequate heat dissipation during operation.

LED Driver IC Selection Notes

Select this component when a high channel count is required in a compact footprint. It is suitable for designs needing individual LED current control without complex microcontroller overhead. Consider the maximum output current capabilities relative to the LED specifications. Evaluate the thermal performance in the final enclosure to ensure the junction temperature remains within safe limits under continuous load conditions.

LED Driver IC Part Context

This part belongs to the MAX6947 family of LED drivers, which are optimized for high-density lighting applications. The series is characterized by its integration of control logic and power stages into a single small outline package. It represents a solution for reducing board space in consumer electronics where multiple LEDs must be driven efficiently with minimal external components.

LED Driver IC Replacement Considerations

Consult the official Analog Devices replacement guide for verified cross-references. No direct substitute part numbers are confirmed in the provided documentation. Verify compatibility with existing firmware if migrating to a different driver family.