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MAX6967AEE+T
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MAX6967AEE+T

Product Overview

  • Category: Integrated Circuit
  • Use: LED Display Driver
  • Characteristics: High integration, low power consumption, compact package
  • Package: 16-pin QSOP (Quarter Small Outline Package)
  • Essence: The MAX6967AEE+T is a versatile LED display driver that can drive up to 16 individual LEDs or eight 7-segment displays. It is designed for applications requiring compact size and low power consumption.
  • Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • LED Current: Up to 20mA per segment
  • Serial Interface: SPI-compatible
  • Number of Outputs: 16
  • Package Dimensions: 4mm x 4mm

Pin Configuration

The MAX6967AEE+T has a 16-pin QSOP package with the following pin configuration:

  1. GND (Ground)
  2. DIN (Data Input)
  3. SCLK (Serial Clock)
  4. CS (Chip Select)
  5. BLANK (Blanking Control)
  6. VDD (Power Supply)
  7. SEG0 (Segment Output 0)
  8. SEG1 (Segment Output 1)
  9. SEG2 (Segment Output 2)
  10. SEG3 (Segment Output 3)
  11. SEG4 (Segment Output 4)
  12. SEG5 (Segment Output 5)
  13. SEG6 (Segment Output 6)
  14. SEG7 (Segment Output 7)
  15. SEG8 (Segment Output 8)
  16. SEG9 (Segment Output 9)

Functional Features

  • High integration allows driving up to 16 individual LEDs or eight 7-segment displays.
  • Low power consumption makes it suitable for battery-powered applications.
  • SPI-compatible serial interface enables easy communication with microcontrollers.
  • Blanking control (BLANK pin) allows turning off all segments simultaneously.
  • Wide operating voltage range provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it ideal for portable devices. - Versatile functionality allows driving different types of LED displays. - Easy integration with microcontrollers through the SPI interface.

Disadvantages: - Limited number of outputs may not be sufficient for complex display requirements. - Lack of built-in current limiting resistors may require additional external components.

Working Principles

The MAX6967AEE+T is a LED display driver that utilizes a serial interface to receive data from a microcontroller. It converts the received data into appropriate signals to drive individual LEDs or 7-segment displays. The driver can control the brightness of each segment by adjusting the current flowing through them. The BLANK pin allows turning off all segments simultaneously, providing a convenient way to implement blinking or dimming effects.

Detailed Application Field Plans

The MAX6967AEE+T can be used in various applications, including but not limited to:

  1. Consumer Electronics: Portable devices, digital clocks, remote controls.
  2. Automotive: Dashboard displays, instrument clusters, interior lighting.
  3. Industrial Control: Panel meters, process indicators, status displays.
  4. Medical Equipment: Patient monitors, diagnostic devices, medical instruments.
  5. Communication Systems: Signal strength indicators, message displays, notification panels.

Detailed and Complete Alternative Models

  1. MAX7219CNG+: Similar LED display driver with higher output capability (24 outputs).
  2. TLC5940PWPR: LED driver with integrated current limiting resistors and 16 outputs.
  3. HT16K33: LED controller with integrated key scanning function and 16 outputs.

These alternative models offer different features and capabilities, providing options for specific application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX6967AEE+T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX6967AEE+T in technical solutions:

  1. Q: What is the MAX6967AEE+T? A: The MAX6967AEE+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 MAX6967AEE+T? A: The MAX6967AEE+T can control up to 16 LEDs or LED segments.

  3. Q: How does the MAX6967AEE+T communicate with a microcontroller or host device? A: The MAX6967AEE+T uses a serial interface (SPI) to communicate with a microcontroller or host device.

  4. Q: Can the MAX6967AEE+T drive different types of LEDs, such as RGB LEDs or single-color LEDs? A: Yes, the MAX6967AEE+T can drive both single-color LEDs and RGB LEDs.

  5. Q: What is the maximum current that the MAX6967AEE+T can supply to each LED? A: The MAX6967AEE+T can supply a maximum current of 25mA to each LED.

  6. Q: Can the MAX6967AEE+T dim the LEDs? A: Yes, the MAX6967AEE+T supports individual LED intensity control, allowing for dimming of the LEDs.

  7. Q: Does the MAX6967AEE+T have any built-in protection features for the LEDs? A: Yes, the MAX6967AEE+T has built-in open-LED detection and thermal shutdown protection.

  8. Q: Can the MAX6967AEE+T be cascaded to control more than 16 LEDs? A: Yes, multiple MAX6967AEE+T ICs can be cascaded together to control a larger number of LEDs.

  9. Q: What is the operating voltage range of the MAX6967AEE+T? A: The MAX6967AEE+T operates within a voltage range of 2.7V to 5.5V.

  10. Q: Are there any evaluation boards or development kits available for the MAX6967AEE+T? A: Yes, Maxim Integrated provides evaluation kits and reference designs for the MAX6967AEE+T to help with the development and testing process.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.