MAX14521EETG+

Overview

The MAX14521EETG+ is a quad, high-voltage electroluminescent (EL) lamp driver with an I²C interface. It operates on a supply voltage range of 2.7 V to 5.5 V and draws a typical supply current of 350 µA. The device supports dimming functionality and is housed in a 24-TQFN package with dimensions of 4x4 mm. It functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates four independent high-voltage EL lamp drivers for simultaneous control
• Features digital control via standard I²C interface for configuration and status monitoring
• Supports analog or PWM dimming capabilities for backlight intensity adjustment

Applications

• Automotive instrument cluster backlighting
• Industrial display panel illumination
• High-voltage EL sheet lighting systems

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm packaging type and tape/reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region and production lot.

Selection Notes

Select this component when designing systems requiring independent control of multiple EL lamps with low power consumption. Ensure the design accommodates the high-voltage output requirements and that the I²C bus timing meets the device specifications for reliable communication.

Part Context

This part belongs to the MAX14521 series of EL lamp drivers from Analog Devices/Maxim Integrated. It is designed specifically for applications requiring efficient driving of capacitive loads like EL panels, offering a compact solution compared to discrete driver implementations.

Replacement Considerations

Consult official cross-reference data for verified substitutes. Generic replacements may not match the I²C register map or high-voltage output characteristics.