MAX6964AEG+T

Product Overview

• Category: Integrated Circuit
• Use: LED Display Driver
• Characteristics: High-performance, low-power, serial-interfaced, 5x8 matrix LED display driver
• Package: 24-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Efficiently drives LED displays with minimal power consumption
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Maximum Output Current: 20mA
• Serial Interface: I²C-compatible
• Number of Digits: 8
• Maximum Display Intensity Steps: 16
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD - Power supply voltage
2. GND - Ground
3. SDA - Serial data input/output pin
4. SCL - Serial clock input pin
5. RESET - Active-low reset input
6. CS - Chip select input
7. DIN - Serial data input
8. DOUT - Serial data output
9. SEG0 - Segment output 0
10. SEG1 - Segment output 1
11. SEG2 - Segment output 2
12. SEG3 - Segment output 3
13. SEG4 - Segment output 4
14. SEG5 - Segment output 5
15. SEG6 - Segment output 6
16. SEG7 - Segment output 7
17. SEG8 - Segment output 8
18. SEG9 - Segment output 9
19. SEG10 - Segment output 10
20. SEG11 - Segment output 11
21. SEG12 - Segment output 12
22. SEG13 - Segment output 13
23. SEG14 - Segment output 14
24. SEG15 - Segment output 15

Functional Features

• Drives up to 128 LEDs (16 segments x 8 digits)
• Individual LED segment control with 16-step intensity adjustment
• Built-in oscillator for internal PWM dimming control
• Supports both static and multiplexed display modes
• Low-power shutdown mode for power-saving applications
• Error detection and correction for reliable data transmission

Advantages and Disadvantages

Advantages: - High-performance LED display driver - Low power consumption - Flexible intensity control - Wide operating voltage range - Error detection and correction feature enhances reliability

Disadvantages: - Limited number of digits (8) - Requires external components for LED display connection

Working Principles

The MAX6964AEG+T is an integrated circuit designed to efficiently drive LED displays. It utilizes a serial interface, allowing easy integration with microcontrollers or other devices. The chip supports individual control of each LED segment, enabling versatile display patterns.

The built-in oscillator generates the necessary clock signals for internal PWM dimming control, providing adjustable intensity levels. The device can operate in both static and multiplexed display modes, offering flexibility based on application requirements.

To ensure reliable data transmission, the MAX6964AEG+T incorporates error detection and correction mechanisms. This feature minimizes potential data corruption during communication.

Detailed Application Field Plans

The MAX6964AEG+T finds applications in various fields, including:

1. Consumer Electronics: LED displays in audio equipment, home appliances, and gaming consoles.
2. Automotive: Dashboard indicators, infotainment systems, and interior lighting.
3. Industrial Automation: Control panels, process monitoring, and status indicators.
4. Medical Devices: Patient monitors, diagnostic equipment, and medical instruments.
5. Advertising Displays: Indoor and outdoor LED signage, information boards, and billboards.

Detailed and Complete Alternative Models

1. MAX7219CNG+ - LED display driver with cascading feature, suitable for larger displays.
2. TLC5940NT - 16-channel LED driver with grayscale control, ideal for high-resolution displays.
3. HT16K33 - I²C-controlled LED driver supporting up to 128 LEDs, compatible with various display sizes.

These alternative models offer similar functionality and can be considered based on specific project requirements.

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