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MAX6956ATL/V+T
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MAX6956ATL/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Display Driver
  • Characteristics: High integration, low power consumption, versatile functionality
  • Package: Thin QFN (Quad Flat No-Lead) 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

The MAX6956ATL/V+T has a total of 28 pins. The pin configuration is as follows:

  1. VLED-: Negative terminal of the LED display
  2. VLED+: Positive terminal of the LED display
  3. GND: Ground
  4. DIN: Serial data input
  5. DOUT: Serial data output
  6. CS: Chip select
  7. CLK: Clock input
  8. INT: Interrupt output
  9. RSET: Reset input
  10. ISET: Current set input 11-18. SEG0-SEG7: Segment driver outputs 19-34. DIG0-DIG15: Digit driver outputs

Functional Features

  • High integration: Combines segment and digit drivers in a single IC, reducing external component count.
  • Versatile functionality: Supports various LED display configurations, including 7-segment, dot matrix, and bar graph displays.
  • PWM Dimming: Provides adjustable brightness control through Pulse Width Modulation (PWM).
  • Error Detection: Detects open or shorted LED segments, ensuring reliable operation.
  • Cascading: Multiple MAX6956ATL/V+T ICs can be cascaded to drive larger LED displays.

Advantages and Disadvantages

Advantages: - High integration reduces component count and board space. - Versatile functionality supports different types of LED displays. - PWM dimming allows for adjustable brightness. - Error detection ensures reliable operation. - Cascading capability enables driving larger displays.

Disadvantages: - Limited maximum output current (80mA). - Requires an external power supply for the LED display.

Working Principles

The MAX6956ATL/V+T is a LED display driver IC that controls the illumination of LED segments in various display configurations. It communicates with a microcontroller or other host device through the SPI interface. The IC receives data from the host, processes it, and drives the connected LED display accordingly. It provides features like PWM dimming, error detection, and cascading to enhance the functionality and reliability of LED display systems.

Detailed Application Field Plans

The MAX6956ATL/V+T is widely used in applications that require LED display control, such as:

  1. Consumer Electronics: Digital clocks, home appliances, audio equipment.
  2. Industrial Control Systems: Process monitoring, machine status indicators, panel meters.
  3. Automotive: Dashboard displays, infotainment systems, instrument clusters.
  4. Medical Devices: Patient monitors, diagnostic equipment, medical instruments.
  5. Gaming Machines: Slot machines, arcade games, casino displays.

Detailed and Complete Alternative Models

  1. MAX7219CNG+: Similar LED display driver IC with 8-digit drivers and 7-segment display support.
  2. TLC5940NT: LED driver IC with 16-channel constant current sink outputs and grayscale control.
  3. HT16K33: Integrated controller and driver for LED matrix displays with I2C interface.
  4. TM1637: Display driver IC specifically designed for 7-segment LED displays.
  5. LP3944: I2C-compatible LED driver with programmable PWM control and fault detection.

These alternative models offer similar functionality and can be used as substitutes for the MAX6956ATL/V+T in various applications.

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技術ソリューションにおける MAX6956ATL/V+T の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the maximum supply voltage for MAX6956ATL/V+T?
    - The maximum supply voltage for MAX6956ATL/V+T is 5.5V.

  2. Can MAX6956ATL/V+T drive common-cathode or common-anode displays?
    - MAX6956ATL/V+T can drive common-cathode displays.

  3. What is the maximum number of segments that MAX6956ATL/V+T can drive?
    - MAX6956ATL/V+T can drive up to 16 segments.

  4. Does MAX6956ATL/V+T support I2C communication interface?
    - Yes, MAX6956ATL/V+T supports I2C communication interface.

  5. What is the maximum frequency for the serial interface of MAX6956ATL/V+T?
    - The maximum frequency for the serial interface of MAX6956ATL/V+T is 2.5MHz.

  6. Can MAX6956ATL/V+T be used in automotive applications?
    - Yes, MAX6956ATL/V+T is suitable for automotive applications.

  7. Is there a built-in oscillator in MAX6956ATL/V+T?
    - Yes, MAX6956ATL/V+T has a built-in oscillator.

  8. What is the maximum current sink capability per segment output of MAX6956ATL/V+T?
    - The maximum current sink capability per segment output of MAX6956ATL/V+T is 40mA.

  9. Can MAX6956ATL/V+T be cascaded with other devices for driving more segments?
    - Yes, MAX6956ATL/V+T can be cascaded with other devices for driving additional segments.

  10. Does MAX6956ATL/V+T have thermal shutdown protection?
    - Yes, MAX6956ATL/V+T features thermal shutdown protection.