NXP USA Inc.
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PCA9673DB,112
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PCA9673DB,112

Product Overview

Category

PCA9673DB,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and driving LEDs in various applications.

Characteristics

  • The PCA9673DB,112 is a 16-bit I2C-bus LED driver.
  • It can control up to 16 individual LEDs.
  • The device offers programmable LED dimming and blinking.
  • It operates with a wide supply voltage range of 2.3V to 5.5V.
  • PCA9673DB,112 has a low standby current consumption, making it suitable for battery-powered devices.

Package

The PCA9673DB,112 is available in a small outline package (SO) with 24 pins.

Essence

The essence of PCA9673DB,112 lies in its ability to efficiently control and drive multiple LEDs using the I2C-bus interface.

Packaging/Quantity

The PCA9673DB,112 is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2.3V to 5.5V
  • Number of Channels: 16
  • Interface: I2C-bus
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SO-24

Detailed Pin Configuration

The PCA9673DB,112 features a total of 24 pins. The pin configuration is as follows:

  1. SDA - Serial Data Input/Output
  2. SCL - Serial Clock Input
  3. RESET - Reset Input
  4. VDD - Supply Voltage
  5. GND - Ground
  6. OUT0 - Output Channel 0
  7. OUT1 - Output Channel 1
  8. OUT2 - Output Channel 2
  9. OUT3 - Output Channel 3
  10. OUT4 - Output Channel 4
  11. OUT5 - Output Channel 5
  12. OUT6 - Output Channel 6
  13. OUT7 - Output Channel 7
  14. OUT8 - Output Channel 8
  15. OUT9 - Output Channel 9
  16. OUT10 - Output Channel 10
  17. OUT11 - Output Channel 11
  18. OUT12 - Output Channel 12
  19. OUT13 - Output Channel 13
  20. OUT14 - Output Channel 14
  21. OUT15 - Output Channel 15
  22. VSS - Ground
  23. VDD - Supply Voltage
  24. SDA - Serial Data Input/Output

Functional Features

  • Individual LED control with programmable dimming and blinking.
  • I2C-bus interface for easy integration into existing systems.
  • Low standby current consumption for energy-efficient operation.
  • Wide supply voltage range allows for versatile applications.
  • Compact package size for space-constrained designs.

Advantages and Disadvantages

Advantages

  • Precise control over individual LEDs.
  • Flexible dimming and blinking options.
  • Easy integration with I2C-bus systems.
  • Energy-efficient operation.
  • Versatile supply voltage range.

Disadvantages

  • Limited to controlling up to 16 LEDs.
  • Requires knowledge of I2C-bus protocol for proper usage.

Working Principles

The PCA9673DB,112 operates by receiving commands through the I2C-bus interface. It can individually control the brightness and blinking of up to 16 LEDs connected to its output channels. The device utilizes a low standby current, ensuring minimal power consumption when not actively driving the LEDs.

Detailed Application Field Plans

The PCA9673DB,112 finds applications in various fields, including but not limited to: - Automotive lighting systems - Consumer electronics - Industrial control panels - Medical devices - Home automation

Detailed and Complete Alternative Models

  1. PCA9633DB,112 - 16-bit I2C-bus LED driver with similar features.
  2. PCA9685PW,118 - 16-channel I2C-bus controlled LED driver with enhanced capabilities.
  3. TLC5940NT - 16-channel LED driver with grayscale control and constant current output.

These alternative models offer similar functionality and can be considered as alternatives to the PCA9673DB,112.

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기술 솔루션에 PCA9673DB,112 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of PCA9673DB,112 in technical solutions:

  1. Q: What is PCA9673DB,112? A: PCA9673DB,112 is a 16-bit I/O expander with interrupt output and an I2C-bus interface. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C-bus interface.

  2. Q: What is the maximum voltage that PCA9673DB,112 can handle? A: PCA9673DB,112 can handle a maximum voltage of 5.5V.

  3. Q: How many I/O pins does PCA9673DB,112 have? A: PCA9673DB,112 has 16 I/O pins that can be configured as inputs or outputs.

  4. Q: Can PCA9673DB,112 be used with both 3.3V and 5V microcontrollers? A: Yes, PCA9673DB,112 is compatible with both 3.3V and 5V microcontrollers.

  5. Q: How do I communicate with PCA9673DB,112 using the I2C-bus interface? A: You can communicate with PCA9673DB,112 by sending I2C commands to its address on the bus. The device supports standard I2C communication protocols.

  6. Q: Can PCA9673DB,112 generate interrupts? A: Yes, PCA9673DB,112 has an interrupt output pin that can be configured to generate interrupts based on the state change of any input pin.

  7. Q: What is the maximum current that PCA9673DB,112 can source/sink per I/O pin? A: PCA9673DB,112 can source/sink a maximum current of 25mA per I/O pin.

  8. Q: Can PCA9673DB,112 be used in automotive applications? A: Yes, PCA9673DB,112 is suitable for automotive applications as it can operate within the automotive temperature range and has ESD protection.

  9. Q: Is there any software library available for PCA9673DB,112? A: Yes, NXP provides software libraries and example code to help you interface with PCA9673DB,112 in various programming languages.

  10. Q: Can multiple PCA9673DB,112 devices be connected on the same I2C bus? A: Yes, multiple PCA9673DB,112 devices can be connected on the same I2C bus by assigning unique addresses to each device using the address pins on the IC.

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