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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