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ICM7228AIBI
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ICM7228AIBI

Product Overview

Category

ICM7228AIBI belongs to the category of Integrated Circuits (ICs).

Use

ICM7228AIBI is commonly used as a display driver for LED-based applications.

Characteristics

  • The ICM7228AIBI is a versatile and high-performance display driver IC.
  • It is designed to drive up to 8 digits, 7-segment LED displays.
  • This IC supports both common cathode and common anode displays.
  • It offers a wide range of features and functionalities for controlling LED displays.

Package

ICM7228AIBI is available in a standard 28-pin plastic dual in-line package (DIP).

Essence

The essence of ICM7228AIBI lies in its ability to efficiently drive LED displays, providing control and flexibility for various applications.

Packaging/Quantity

ICM7228AIBI is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Maximum Display Digits: 8
  • Maximum Segment Outputs: 64
  • Maximum Segment Current: 40mA
  • Serial Data Input: Yes
  • Serial Data Output: Yes
  • Multiplexed Display: Yes
  • Built-in Oscillator: Yes
  • Low Power Consumption: Yes

Detailed Pin Configuration

  1. VCC - Power supply voltage
  2. GND - Ground
  3. DIN - Serial data input
  4. CLK - Clock input
  5. LOAD - Load input
  6. BLANK - Blank input
  7. SEG A - Segment A output
  8. SEG B - Segment B output
  9. SEG C - Segment C output
  10. SEG D - Segment D output
  11. SEG E - Segment E output
  12. SEG F - Segment F output
  13. SEG G - Segment G output
  14. SEG DP - Decimal point segment output
  15. DIG 1 - Digit 1 output
  16. DIG 2 - Digit 2 output
  17. DIG 3 - Digit 3 output
  18. DIG 4 - Digit 4 output
  19. DIG 5 - Digit 5 output
  20. DIG 6 - Digit 6 output
  21. DIG 7 - Digit 7 output
  22. DIG 8 - Digit 8 output
  23. VREF - Reference voltage output
  24. OSC - Oscillator output
  25. OSC IN - Oscillator input
  26. OSC OUT - Oscillator output
  27. TEST - Test pin (for factory use)
  28. NC - No connection

Functional Features

  • Multiplexed display driving capability
  • Serial data input for easy interfacing with microcontrollers
  • Built-in oscillator for generating internal clock signals
  • Blank input for controlling display visibility
  • Low power consumption for energy-efficient operation
  • Support for both common cathode and common anode displays
  • Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages

  • Versatile and flexible display driver solution
  • High-performance capabilities
  • Easy integration with microcontroller-based systems
  • Supports a wide range of LED display configurations
  • Efficient power management for extended battery life

Disadvantages

  • Limited to driving 7-segment LED displays
  • Requires external components for complete system implementation
  • Relatively higher cost compared to simpler display driver alternatives

Working Principles

ICM7228AIBI operates by receiving serial data input, which is then processed and converted into appropriate control signals for driving the connected LED displays. The built-in oscillator generates the necessary clock signals for multiplexing the display and refreshing the segments. The blank input allows for controlling the visibility of the display, while the various segment and digit outputs provide the necessary control signals to drive the individual segments and digits of the LED display.

Detailed Application Field Plans

ICM7228AIBI finds applications in various fields where LED displays are used, including but not limited to: - Digital clocks - Counters and timers - Instrumentation panels - Temperature displays - Scoreboards - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionalities to ICM7228AIBI include: - MAX7219 - HT16K33 - TLC5940 - CD74HC4511 - TM1637

These alternatives may have slightly different specifications and pin configurations but can serve as suitable replacements depending on specific application requirements.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät ICM7228AIBI :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of ICM7228AIBI in technical solutions:

  1. Q: What is the ICM7228AIBI? A: The ICM7228AIBI is a high-performance, 8-digit LED display driver IC designed for driving common-cathode numeric displays.

  2. Q: What is the maximum number of digits that can be driven by the ICM7228AIBI? A: The ICM7228AIBI can drive up to 8 digits, making it suitable for applications requiring multi-digit numeric displays.

  3. Q: Can the ICM7228AIBI drive different types of displays? A: Yes, the ICM7228AIBI can drive both common-cathode and common-anode displays, depending on the configuration.

  4. Q: What is the supply voltage range for the ICM7228AIBI? A: The ICM7228AIBI operates with a supply voltage range of 4.75V to 5.25V.

  5. Q: How many segment outputs does the ICM7228AIBI have? A: The ICM7228AIBI has 28 segment outputs, which can be used to control individual segments of the display.

  6. Q: Can the ICM7228AIBI handle multiplexing of the display? A: Yes, the ICM7228AIBI supports multiplexing, allowing for efficient use of the segment outputs and reducing the number of required pins.

  7. Q: Does the ICM7228AIBI have built-in brightness control? A: Yes, the ICM7228AIBI features a built-in digital brightness control, allowing for easy adjustment of the display brightness.

  8. Q: Can the ICM7228AIBI interface with microcontrollers or other digital devices? A: Yes, the ICM7228AIBI has a serial interface that can be used to communicate with microcontrollers or other digital devices.

  9. Q: What is the maximum clock frequency supported by the ICM7228AIBI? A: The ICM7228AIBI can operate at clock frequencies up to 10 MHz, providing fast and efficient data transfer.

  10. Q: Are there any application examples where the ICM7228AIBI is commonly used? A: Yes, the ICM7228AIBI is often used in applications such as digital panel meters, industrial control systems, and consumer electronics where numeric displays are required.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.