Maxim Integrated
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MAX6967ATE+T
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MAX6967ATE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Display Driver
  • Characteristics: High integration, low power consumption, versatile functionality
  • Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
  • Essence: Efficiently drives and controls LED displays
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Maximum Output Current: 80mA per channel
  • Number of Channels: 16
  • Communication Interface: Serial Peripheral Interface (SPI)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VDD: Power supply voltage
  2. GND: Ground reference
  3. DIN: Serial data input
  4. SCLK: Serial clock input
  5. CS: Chip select input
  6. BLANK: Blank display control input
  7. XRST: Reset input
  8. OUT15: Channel 15 output
  9. OUT14: Channel 14 output
  10. OUT13: Channel 13 output
  11. OUT12: Channel 12 output
  12. OUT11: Channel 11 output
  13. OUT10: Channel 10 output
  14. OUT9: Channel 9 output
  15. OUT8: Channel 8 output
  16. OUT7: Channel 7 output

Functional Features

  • High integration: Combines LED driver and control circuitry in a single IC.
  • Low power consumption: Optimized power management for efficient operation.
  • Versatile functionality: Supports various LED display configurations and multiplexing techniques.
  • Flexible control: Configurable through the SPI interface for easy customization.
  • Error detection: Built-in diagnostic features for fault detection and reporting.

Advantages and Disadvantages

Advantages: - Compact size and high integration save board space. - Low power consumption extends battery life in portable applications. - Versatile functionality allows for diverse LED display designs. - Error detection enhances system reliability.

Disadvantages: - Limited maximum output current per channel may restrict certain high-power applications. - Requires external components for proper operation, increasing overall system complexity.

Working Principles

The MAX6967ATE+T is a LED display driver IC that utilizes a serial interface to receive data and control commands. It integrates a shift register, latch, and constant-current sink drivers for each channel. The IC receives data through the DIN pin and shifts it into the internal shift register on rising edges of the SCLK signal. The CS pin is used to select the device for communication.

Once the data is loaded into the shift register, it can be latched to the output drivers by asserting the BLANK input. The XRST pin resets the internal registers to their default state. The OUT pins provide constant-current sinking capability to drive the LEDs connected to the display.

Detailed Application Field Plans

The MAX6967ATE+T finds applications in various fields, including:

  1. Consumer Electronics: LED displays in televisions, audio systems, and home appliances.
  2. Automotive: Dashboard indicators, infotainment systems, and interior lighting.
  3. Industrial Control: Panel meters, process control displays, and status indicators.
  4. Medical Equipment: Patient monitoring devices, diagnostic instruments, and medical displays.
  5. Gaming: Arcade machines, slot machines, and gaming consoles.

Detailed and Complete Alternative Models

  1. MAX7219CNG+: Similar LED display driver with 8-channel capability.
  2. TLC5940NT: LED driver with 16-channel capability and grayscale control.
  3. HT16K33: Integrated LED controller and driver with I2C interface.

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

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MAX6967ATE+T i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MAX6967ATE+T in technical solutions:

  1. Q: What is the MAX6967ATE+T? A: The MAX6967ATE+T is a serial-interfaced, 16-port LED driver IC that can be used to control and drive multiple LEDs in various applications.

  2. Q: What is the maximum number of LEDs that can be controlled by the MAX6967ATE+T? A: The MAX6967ATE+T can control up to 16 LEDs using its 16 output ports.

  3. Q: How does the MAX6967ATE+T communicate with a microcontroller or other devices? A: The MAX6967ATE+T uses a serial interface (SPI) to communicate with a microcontroller or other devices.

  4. Q: Can the MAX6967ATE+T control different types of LEDs, such as RGB LEDs? A: Yes, the MAX6967ATE+T can control different types of LEDs, including single-color LEDs, bi-color LEDs, and RGB LEDs.

  5. Q: What is the maximum current that the MAX6967ATE+T can sink/source for each LED channel? A: The MAX6967ATE+T can sink/source up to 20mA of current for each LED channel.

  6. Q: Can the MAX6967ATE+T dim the LEDs it controls? A: Yes, the MAX6967ATE+T supports individual LED brightness control, allowing you to dim the LEDs as needed.

  7. Q: Is the MAX6967ATE+T capable of driving high-power LEDs? A: No, the MAX6967ATE+T is designed to drive low-to-moderate power LEDs. For high-power LEDs, additional driver circuitry may be required.

  8. Q: Can the MAX6967ATE+T operate with a wide range of power supply voltages? A: Yes, the MAX6967ATE+T can operate with a power supply voltage ranging from 2.7V to 5.5V.

  9. Q: Does the MAX6967ATE+T have any built-in protection features for the LEDs? A: Yes, the MAX6967ATE+T includes thermal shutdown and open/short LED detection features to protect the LEDs from damage.

  10. Q: What are some typical applications of the MAX6967ATE+T? A: The MAX6967ATE+T is commonly used in applications such as LED displays, signage, gaming machines, industrial control panels, and automotive lighting.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the MAX6967ATE+T in a technical solution.