NXP USA Inc.
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PCA9553TK,118
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PCA9553TK,118

Product Overview

Category

PCA9553TK,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9553TK,118 is commonly used as an I/O expander for microcontroller-based systems. It provides additional input/output ports, allowing the microcontroller to interface with a larger number of peripheral devices.

Characteristics

  • I2C-bus interface compatibility
  • 16-bit remote bidirectional I/O port
  • Low standby current consumption
  • Schmitt trigger inputs for noise suppression
  • Open-drain interrupt output
  • Polarity inversion register
  • Internal power-on reset

Package

The PCA9553TK,118 is available in a small outline package (SOT96-1) which is suitable for surface mount applications.

Essence

The essence of PCA9553TK,118 lies in its ability to expand the I/O capabilities of microcontrollers, enabling them to control and communicate with a greater number of external devices.

Packaging/Quantity

The PCA9553TK,118 is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

  • Supply voltage: 2.3V to 5.5V
  • Input voltage range: 0V to VDD
  • Output voltage range: 0V to VDD
  • Maximum output current: ±10mA
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The PCA9553TK,118 has a total of 20 pins. The pin configuration is as follows:

  1. SDA - Serial Data Input/Output
  2. SCL - Serial Clock Input
  3. A0 - Address Input Bit 0
  4. A1 - Address Input Bit 1
  5. RESET - Reset Input
  6. INT - Interrupt Output
  7. P0-P7 - I/O Port 0-7

Functional Features

  • Bidirectional I/O expansion
  • Individual direction control for each I/O pin
  • Input and output port configuration
  • Interrupt capability
  • Polarity inversion

Advantages and Disadvantages

Advantages

  • Easy integration with microcontroller systems
  • Low power consumption
  • Flexible I/O configuration
  • Noise suppression through Schmitt trigger inputs
  • Compact package size

Disadvantages

  • Limited number of I/O ports (16-bit)

Working Principles

The PCA9553TK,118 operates on the I2C-bus interface, allowing communication between the microcontroller and the I/O expander. The microcontroller sends commands and data to the PCA9553TK,118, which in turn controls the input/output pins based on the received instructions.

Detailed Application Field Plans

The PCA9553TK,118 finds applications in various fields, including but not limited to: - Home automation systems - Industrial control systems - Automotive electronics - Consumer electronics - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PCA9553TK,118 are: - PCA9554PW,112 - MCP23017-E/SP - MAX7313ATE+

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the PCA9553TK,118 is an integrated circuit used for expanding the input/output capabilities of microcontrollers. It offers flexibility, low power consumption, and easy integration, making it suitable for various applications in different industries.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням PCA9553TK,118 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of PCA9553TK,118:

  1. Question: What is PCA9553TK,118?
    - Answer: PCA9553TK,118 is a 16-bit I/O expander with an I2C interface. It provides general-purpose remote I/O expansion for most microcontroller families.

  2. Question: What is the maximum voltage that PCA9553TK,118 can handle?
    - Answer: PCA9553TK,118 can handle a maximum voltage of 5.5V.

  3. Question: How many I/O pins does PCA9553TK,118 have?
    - Answer: PCA9553TK,118 has 16 I/O pins that can be configured as inputs or outputs.

  4. Question: Can PCA9553TK,118 be used with both 3.3V and 5V microcontrollers?
    - Answer: Yes, PCA9553TK,118 is compatible with both 3.3V and 5V microcontrollers.

  5. Question: How do I communicate with PCA9553TK,118 using the I2C interface?
    - Answer: You can communicate with PCA9553TK,118 by sending I2C commands and data through the SDA (data) and SCL (clock) lines.

  6. Question: Can PCA9553TK,118 be used to drive LEDs?
    - Answer: Yes, PCA9553TK,118 can be used to drive LEDs as it provides open-drain outputs that can sink current.

  7. Question: What is the maximum current that PCA9553TK,118 can sink per output pin?
    - Answer: PCA9553TK,118 can sink up to 25mA per output pin.

  8. Question: Can PCA9553TK,118 be used to read digital inputs?
    - Answer: Yes, PCA9553TK,118 can be configured to read digital inputs by setting the corresponding pins as inputs.

  9. Question: Can I use multiple PCA9553TK,118 devices in the same system?
    - Answer: Yes, you can use multiple PCA9553TK,118 devices in the same system by assigning unique I2C addresses to each device.

  10. Question: Is there any library or code example available for programming PCA9553TK,118?
    - Answer: Yes, many microcontroller platforms have libraries and code examples available for programming PCA9553TK,118. You can refer to the documentation of your specific microcontroller platform for more information.

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