MAX6953

2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 x 7 Matrix LED Display Driver

Data Sheet (Rev. 3)
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Overview

  • 400kbps 2-Wire Interface Compatible with I²C
  • 2.7V to 5.5V Operation
  • Drives 4 Monocolor or 2 Bicolor Cathode-Row 5 x 7 Matrix Displays
  • Built-In ASCII 104-Character Font
  • 24 User-Definable Characters Available
  • Automatic Blinking Control for Each Segment
  • 70µA Low-Power Shutdown (Data Retained)
  • 16-Step Digital Brightness Control
  • Display Blanked on Power-Up
  • Slew-Rate-Limited Segment Drivers for Lower EMI
  • 36-Pin SSOP and 40-Pin DIP Packages
  • Extended Temperature Range as Standard

    • The MAX6953 is a compact cathode-row display driver that interfaces microprocessors to 5 x 7 dot-matrix LED displays through an I²C-compatible serial interface. The MAX6953 drives up to four digits (140 LEDs).

    Included on-chip are an ASCII 104-character font, multiplex scan circuitry, column and row drivers, and static RAM that stores each digit, as well as font data for 24 user-definable characters. The segment current for the LEDs is set by an internal digit-by-digit digital brightness control.

    The device includes a low-power shutdown mode, segment blinking (synchronized across multiple drivers, if desired), and a test mode that forces all LEDs on. The LED drivers are slew-rate limited to reduce EMI.

    For an SPI™-compatible version, refer to the MAX6952 data sheet. An EV kit is available for the MAX6952.

    Applications

    • Audio/Video Equipment
    • Gaming Machines
    • Industrial Displays
    • Medical Equipment
    • Message Boards
    MAX6953
    2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 x 7 Matrix LED Display Driver
    MAX6953: Typical Application Circuit
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    Documentation

    Data Sheet 1

    Design Note 1

    Technical Articles 4

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    LED Drivers 11
    MAX6950
    		PRODUCTION Serially Interfaced, +2.7V to +5.5V, 5- and 8-Digit LED Display Drivers
    MAX6951
    		PRODUCTION Serially Interfaced, +2.7V to +5.5V, 5- and 8-Digit LED Display Drivers
    MAX6952
    		PRODUCTION 4-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 x 7 Matrix LED Display Driver
    MAX6954
    		PRODUCTION 4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
    MAX6955
    		PRODUCTION 2-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
    MAX6956
    		PRODUCTION 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
    MAX6957
    		PRODUCTION 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
    MAX6958
    		PRODUCTION 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
    MAX6959
    		PRODUCTION 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
    MAX7219
    		PRODUCTION Serially Interfaced, 8-Digit, LED Display Drivers
    MAX7221
    		PRODUCTION Serially Interfaced, 8-Digit, LED Display Drivers
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