MAX6951EEE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Display Driver
• Characteristics: High integration, low power consumption, versatile
• Package: 16-pin wide SOIC (Small Outline Integrated Circuit)
• Essence: The MAX6951EEE+T is a versatile LED display driver IC that can drive up to eight digits of seven-segment displays or 64 individual LEDs. It is commonly used in various applications requiring LED display control.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Digits: 8
• Maximum LEDs: 64
• Interface: Serial, I²C-compatible
• Current Source/Sink: 5mA
• Dimming Control: 256-step logarithmic PWM (Pulse Width Modulation)
• Built-in Oscillator: Yes

Pin Configuration

The MAX6951EEE+T has a 16-pin wide SOIC package with the following pin configuration:

1. GND: Ground
2. DIN: Serial Data Input
3. SCLK: Serial Clock Input
4. CS: Chip Select Input
5. BLANK: Blanking Control Input
6. RSET: Current Setting Resistor
7. VDD: Supply Voltage
8. SEG0: Segment Output 0
9. SEG1: Segment Output 1
10. SEG2: Segment Output 2
11. SEG3: Segment Output 3
12. SEG4: Segment Output 4
13. SEG5: Segment Output 5
14. SEG6: Segment Output 6
15. SEG7: Segment Output 7
16. VLED: LED Supply Voltage

Functional Features

• Can drive up to eight digits of seven-segment displays or 64 individual LEDs
• Serial interface allows easy control and daisy-chaining of multiple devices
• Built-in oscillator eliminates the need for external clock source
• Logarithmic PWM dimming control provides smooth brightness adjustment
• Low power consumption makes it suitable for battery-powered applications
• High integration reduces external component count and board space requirements

Advantages and Disadvantages

Advantages

• Versatile and flexible for various LED display applications
• Easy to use with serial interface and daisy-chain capability
• Efficient dimming control for precise brightness adjustment
• Compact package size saves board space
• Low power consumption extends battery life

Disadvantages

• Limited to driving eight digits or 64 individual LEDs
• Requires additional external components for complete LED display system

Working Principles

The MAX6951EEE+T is an LED display driver IC that utilizes a serial interface to receive data and commands from a microcontroller or other control device. It internally generates the necessary signals to drive the connected LED segments or individual LEDs. The built-in oscillator ensures accurate timing for multiplexing the display, while the logarithmic PWM dimming control allows smooth brightness adjustment.

Detailed Application Field Plans

The MAX6951EEE+T can be used in various applications that require LED display control, including:

1. Digital clocks and timers
2. Scoreboards and counters
3. Instrumentation panels
4. Industrial control systems
5. Consumer electronics
6. Automotive displays
7. Gaming machines
8. Advertising signage

Detailed and Complete Alternative Models

• MAX7219CNG+: Similar LED display driver IC with higher maximum digits (up to 64) and integrated digit drivers.
• TLC5940NT: LED driver IC with 16 channels and grayscale control for more advanced display applications.
• HT16K33: Integrated LED controller and driver IC with I²C interface, suitable for driving multiple LED matrices.

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