MAX6956AAX+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Display Driver
• Characteristics: High integration, low power consumption, versatile functionality
• Package: 36-pin SSOP (Shrink Small Outline Package)
• Essence: Efficient control of LED displays
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Maximum Output Current: 80mA
• Number of Digit Drivers: 16
• Number of Segment Drivers: 8
• Serial Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD - Power supply voltage
2. GND - Ground
3. DIN - Serial data input
4. DOUT - Serial data output
5. CS - Chip select
6. CLK - Clock input
7. BLANK - Blanking control
8. RSET - Current setting resistor
9. ISET - Current setting pin
10. SEG0 to SEG7 - Segment drivers
11. DIG0 to DIG15 - Digit drivers

Functional Features

• High integration: The MAX6956AAX+T integrates 16 digit drivers and 8 segment drivers, reducing external component count.
• Low power consumption: It operates at a low supply voltage and offers power-saving features such as blanking control.
• Versatile functionality: The IC supports multiplexed LED display control, individual LED blinking, and global brightness control.

Advantages and Disadvantages

Advantages: - Simplifies LED display design by integrating multiple drivers into a single IC. - Low power consumption extends battery life in portable applications. - Versatile functionality allows for various display configurations.

Disadvantages: - Limited to driving LED displays and not suitable for other applications. - Requires external current setting resistor for precise current control.

Working Principles

The MAX6956AAX+T is an LED display driver IC that utilizes a serial interface (SPI) to receive data from a microcontroller. It features digit and segment drivers, which enable the control of multiple LEDs in a display matrix. The IC operates by multiplexing the LEDs, rapidly switching between different segments and digits to create the illusion of a continuous display. The brightness of the LEDs can be adjusted using the global brightness control feature.

Detailed Application Field Plans

The MAX6956AAX+T is commonly used in various applications that require LED display control, such as:

1. Consumer Electronics: Digital clocks, home appliances, audio equipment
2. Automotive: Dashboard displays, infotainment systems
3. Industrial Control: Panel meters, process control displays
4. Medical Devices: Patient monitors, diagnostic equipment
5. Gaming: Slot machines, arcade games

Detailed and Complete Alternative Models

1. MAX7219CNG+: Similar LED display driver IC with 8-digit and 7-segment drivers.
2. TLC5940NT: LED driver IC with 16-channel PWM control for individual LED brightness adjustment.
3. HT16K33: Integrated LED controller and key-scan IC with I2C interface.

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