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MAX6955AAX+
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MAX6955AAX+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX6955AAX+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for controlling and driving LED displays.

Characteristics

  • The MAX6955AAX+ is a versatile LED display driver with advanced features.
  • It supports multiplexing of up to 16 digits or 128 individual LEDs.
  • This IC offers a wide range of programmable options for display control.
  • It operates on a low voltage supply, making it suitable for various applications.

Package

The MAX6955AAX+ is available in a compact 36-pin SSOP package.

Essence

The essence of the MAX6955AAX+ lies in its ability to efficiently drive and control LED displays, providing flexibility and ease of use.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Maximum Display Digits: 16
  • Maximum Individual LEDs: 128
  • Communication Interface: I2C-compatible
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6955AAX+ has a total of 36 pins. Here is a detailed pin configuration:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. SDA - Serial data input/output for I2C communication
  4. SCL - Serial clock input for I2C communication
  5. INT - Interrupt output
  6. DIN - Serial data input
  7. DOUT - Serial data output
  8. CS - Chip select input
  9. BLANK - Display blanking control
  10. RSET - External resistor for current control
  11. SEG0-SEG7 - Segment outputs for LED display
  12. SEG8-SEG15 - Segment outputs for LED display
  13. SEG16-SEG23 - Segment outputs for LED display
  14. SEG24-SEG31 - Segment outputs for LED display
  15. SEG32-SEG39 - Segment outputs for LED display
  16. SEG40-SEG47 - Segment outputs for LED display
  17. SEG48-SEG55 - Segment outputs for LED display
  18. SEG56-SEG63 - Segment outputs for LED display
  19. SEG64-SEG71 - Segment outputs for LED display
  20. SEG72-SEG79 - Segment outputs for LED display
  21. SEG80-SEG87 - Segment outputs for LED display
  22. SEG88-SEG95 - Segment outputs for LED display
  23. SEG96-SEG103 - Segment outputs for LED display
  24. SEG104-SEG111 - Segment outputs for LED display
  25. SEG112-SEG119 - Segment outputs for LED display
  26. SEG120-SEG127 - Segment outputs for LED display
  27. SEG128-SEG135 - Segment outputs for LED display
  28. SEG136-SEG143 - Segment outputs for LED display
  29. SEG144-SEG151 - Segment outputs for LED display
  30. SEG152-SEG159 - Segment outputs for LED display
  31. SEG160-SEG167 - Segment outputs for LED display
  32. SEG168-SEG175 - Segment outputs for LED display
  33. SEG176-SEG183 - Segment outputs for LED display
  34. SEG184-SEG191 - Segment outputs for LED display
  35. SEG192-SEG199 - Segment outputs for LED display
  36. SEG200-SEG207 - Segment outputs for LED display

Functional Features

The MAX6955AAX+ offers the following functional features:

  • LED display multiplexing for efficient control of multiple digits or individual LEDs.
  • Programmable options for brightness control, intensity scaling, and display blanking.
  • Built-in oscillator for internal timing generation.
  • Interrupt output for event-driven applications.
  • I2C-compatible communication interface for easy integration with microcontrollers.

Advantages and Disadvantages

Advantages

  • Versatile and flexible LED display driver.
  • Supports a wide range of programmable options.
  • Low voltage operation for energy efficiency.
  • Compact package size for space-constrained applications.

Disadvantages

  • Limited to driving LED displays only.
  • Requires external resistor for current control.

Working Principles

The MAX6955AAX+ operates by receiving control signals and data through the I2C communication interface. It utilizes an internal oscillator to generate timing signals for multiplexing the LED display. The IC drives the segment outputs based on the received data, controlling the brightness and intensity of the LEDs. The display blanking feature allows for dynamic control of the displayed content.

Detailed Application Field Plans

The MAX6955AAX+ finds applications in various fields, including:

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX6955AAX+ in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX6955AAX+ in technical solutions:

  1. Q: What is the MAX6955AAX+? A: The MAX6955AAX+ is a versatile LED display driver IC that can control up to 16 digits or 128 individual LEDs.

  2. Q: What is the maximum supply voltage for the MAX6955AAX+? A: The maximum supply voltage for the MAX6955AAX+ is 5.5V.

  3. Q: How many segments can be controlled by the MAX6955AAX+? A: The MAX6955AAX+ can control up to 128 individual segments.

  4. Q: Can the MAX6955AAX+ drive common cathode or common anode displays? A: The MAX6955AAX+ is designed to drive common cathode displays.

  5. Q: What is the communication interface used by the MAX6955AAX+? A: The MAX6955AAX+ uses an I2C-compatible serial interface for communication with a microcontroller or other devices.

  6. Q: Can the MAX6955AAX+ dim the LED brightness? A: Yes, the MAX6955AAX+ supports adjustable LED brightness through PWM control.

  7. Q: What is the maximum current per segment that the MAX6955AAX+ can handle? A: The MAX6955AAX+ can handle a maximum segment current of 40mA.

  8. Q: Can the MAX6955AAX+ be cascaded to control more than 16 digits? A: Yes, multiple MAX6955AAX+ devices can be cascaded together to control larger displays.

  9. Q: Does the MAX6955AAX+ have built-in debounce circuitry for button inputs? A: Yes, the MAX6955AAX+ includes built-in debounce circuitry for up to 16 buttons.

  10. Q: Is there any example code or libraries available for programming the MAX6955AAX+? A: Yes, Maxim Integrated provides example code and libraries for various microcontroller platforms to help with programming the MAX6955AAX+.