MAX7221CWG+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7221CWG+

Manufacturer

Analog Devices

Introduction

The MAX7221CWG+ is a power management integrated circuit specifically designed as a display driver for LED indicators.

Product Features and Performance

Drives LED display with 8 digits

Configurable for 7 segments with decimal point

Serial interface communication through 4-Wire protocol

Integrated multiplex scan circuitry

Digit and segment drivers on-chip

Product Advantages

Reduces complexity by incorporating BCD code-B decoder

Individual LED segment control provides versatility

Low power consumption enhances device efficiency

Digit drive lines are open-drain to work with various LEDs

Key Technical Parameters

Current Supply: 330 mA

Voltage Supply: 4V to 5.5V

Operating Temperature: 0°C to 70°C

Mounting Type: Surface Mount

Package / Case: 24-SOIC

Quality and Safety Features

Built-in shutdown mode reduces power consumption

Over-temperature protection ensures device integrity under extreme conditions

Compatibility

Compatible with common-anode LED displays

Able to interface with most microprocessors and digital systems

Application Areas

Used in digital panel meters, bar graphs, and industrial controllers

Optimal for home automation interfaces and entertainment system panels

Product Lifecycle

Currently in active production

No indication of discontinuation and replacements or upgrades available

Several Key Reasons to Choose This Product

Enhanced durability with thermal shutdown

Low power operation ideal for continuous applications

Simplifies design by incorporating multiple functions

Clear visibility and control over individual LED segments

Reliable operation confirmed by active product status and safety features