MAX1621EEE

Overview

The MAX1621EEE is a digitally adjustable LCD bias supply and power management IC manufactured by Analog Devices Inc./Maxim Integrated. It provides regulated voltage outputs specifically designed for driving liquid crystal displays, ensuring stable bias voltages across varying temperature conditions. The device integrates digital control interfaces to adjust output levels, simplifying system design by eliminating the need for external potentiometers or complex resistor networks. Packaged in a 16-pin QSOP format, it supports surface-mount installation for compact electronic assemblies.

Feature Summary

• Digitally adjustable LCD bias supplies for precise voltage control
• Integrated power management capabilities for display sequencing
• Temperature-compensated operation for consistent performance

Applications

• LCD display driver circuits
• Portable electronic devices requiring display bias regulation
• Industrial instrumentation with LCD interfaces

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific suffix variations such as +T for tape-and-reel packaging versus tube packaging. Check current availability status as supply constraints may affect lead times. Ensure the part number matches the exact package type required for your PCB layout.

Selection Notes

Select this component when designing systems requiring digitally controlled LCD bias voltages. Consider the 16-QSOP package size for space-constrained applications. Evaluate the digital interface requirements against your microcontroller's capabilities. Verify that the integrated power management features align with your system's power sequencing needs without requiring additional external components.

Part Context

The MAX1621EEE belongs to the Maxim Integrated family of display driver and power management solutions. It complements other RS-232 transceivers and interface ICs offered by Analog Devices, focusing specifically on display technology support. This series addresses the growing demand for efficient, digitally controllable power solutions in modern portable and industrial display applications.

Replacement Considerations

Check for direct cross-reference part numbers from Analog Devices or compatible third-party manufacturers offering similar LCD bias functionality. Verify pin compatibility and electrical specifications before substitution. Note that some listings indicate obsolete status for certain variants, requiring careful evaluation of long-term availability.