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AS1112C-BQFT
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AS1112C-BQFT

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Low power consumption - Compact size - Wide operating voltage range

Package: BQFT (Quad Flat No-Lead Package)

Essence: AS1112C-BQFT is a high-performance LED driver IC designed for driving LED displays.

Packaging/Quantity: The AS1112C-BQFT is available in a BQFT package and is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Maximum Output Current: 80mA per channel
  • Number of Channels: 12
  • Communication Interface: I2C
  • Dimming Control: PWM (Pulse Width Modulation)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AS1112C-BQFT has a total of 24 pins, which are arranged as follows:

  1. VDD
  2. GND
  3. SDA
  4. SCL
  5. OE
  6. OUT1
  7. OUT2
  8. OUT3
  9. OUT4
  10. OUT5
  11. OUT6
  12. OUT7
  13. OUT8
  14. OUT9
  15. OUT10
  16. OUT11
  17. OUT12
  18. REF
  19. AGND
  20. BLANK
  21. INT
  22. RESET
  23. TEST
  24. VBAT

Functional Features

  • Individual control of each LED channel
  • Programmable current levels
  • Global brightness control
  • Error detection and reporting
  • Built-in thermal shutdown protection

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Compact size allows for space-saving designs - Wide operating voltage range provides flexibility in various applications - Individual control of LED channels enables precise display control

Disadvantages: - Limited maximum output current per channel (80mA) - Requires an external microcontroller or host device for communication and control

Working Principles

The AS1112C-BQFT LED driver IC utilizes the I2C communication interface to receive control commands from an external microcontroller or host device. It generates the necessary current levels to drive individual LED channels, allowing for precise control of brightness and color. The IC also incorporates error detection and reporting mechanisms to ensure reliable operation.

Detailed Application Field Plans

The AS1112C-BQFT LED driver IC finds applications in various fields, including: 1. LED displays for consumer electronics 2. Automotive interior lighting 3. Industrial control panels 4. Medical equipment displays 5. Signage and advertising displays

Detailed and Complete Alternative Models

  1. AS1112A-BQFT
  2. AS1113C-BQFT
  3. AS1114B-BQFT
  4. AS1115D-BQFT
  5. AS1116E-BQFT

These alternative models offer similar functionality and characteristics to the AS1112C-BQFT, providing options for different design requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של AS1112C-BQFT בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of AS1112C-BQFT in technical solutions:

  1. Question: What is AS1112C-BQFT?
    Answer: AS1112C-BQFT is a specific model of LED driver IC (Integrated Circuit) designed for driving LED displays.

  2. Question: What is the maximum number of LEDs that can be driven by AS1112C-BQFT?
    Answer: AS1112C-BQFT can drive up to 144 LEDs.

  3. Question: What is the input voltage range supported by AS1112C-BQFT?
    Answer: AS1112C-BQFT supports an input voltage range of 2.7V to 5.5V.

  4. Question: Can AS1112C-BQFT control individual brightness levels of each LED?
    Answer: Yes, AS1112C-BQFT has individual PWM (Pulse Width Modulation) control for each LED, allowing precise brightness adjustment.

  5. Question: Is AS1112C-BQFT compatible with different communication protocols?
    Answer: Yes, AS1112C-BQFT supports both I2C and SPI communication protocols, providing flexibility in system integration.

  6. Question: Does AS1112C-BQFT have built-in thermal protection?
    Answer: Yes, AS1112C-BQFT features built-in thermal shutdown protection to prevent overheating.

  7. Question: Can AS1112C-BQFT operate in a wide temperature range?
    Answer: Yes, AS1112C-BQFT can operate in a temperature range of -40°C to +85°C.

  8. Question: Does AS1112C-BQFT require external components for operation?
    Answer: AS1112C-BQFT requires minimal external components, such as resistors and capacitors, for proper operation.

  9. Question: Can AS1112C-BQFT be used in battery-powered applications?
    Answer: Yes, AS1112C-BQFT has low power consumption and can be used in battery-powered applications.

  10. Question: Is AS1112C-BQFT suitable for driving common cathode or common anode LED displays?
    Answer: AS1112C-BQFT is designed for driving common cathode LED displays, but it can also be used with common anode displays by inverting the logic signals.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.