PCA9553TK/02,118

Product Overview

Category

PCA9553TK/02,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and expanding the input/output (I/O) capabilities of microcontrollers or other digital systems.

Characteristics

• Integrated circuit
• I2C-bus interface
• 16-bit I/O expander
• Low standby current consumption
• Wide operating voltage range
• High noise immunity
• Small package size

Package

PCA9553TK/02,118 is available in a small Thin Shrink Small Outline Package (TSSOP).

Essence

The essence of PCA9553TK/02,118 lies in its ability to provide additional I/O ports for digital systems, enabling them to interface with various external devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Input/Output Voltage Range: 0V to VDD
• Maximum Output Current: ±10mA
• Operating Temperature Range: -40°C to +85°C
• I2C-bus Frequency: Up to 400kHz

Detailed Pin Configuration

The PCA9553TK/02,118 has a total of 20 pins. The pin configuration is as follows:

1. SDA - Serial Data Line
2. SCL - Serial Clock Line
3. A0 - Address Input
4. A1 - Address Input
5. RESET - Reset Input
6. INT - Interrupt Output
7. P0 - Port 0
8. P1 - Port 1
9. P2 - Port 2
10. P3 - Port 3
11. P4 - Port 4
12. P5 - Port 5
13. P6 - Port 6
14. P7 - Port 7
15. GND - Ground
16. VDD - Supply Voltage
17. NC - No Connection
18. NC - No Connection
19. NC - No Connection
20. NC - No Connection

Functional Features

• 16 programmable I/O pins
• Individual pin direction configuration (input/output)
• Programmable polarity inversion for input pins
• Interrupt output for pin change detection
• Software reset function
• Low standby current consumption

Advantages and Disadvantages

Advantages

• Provides additional I/O ports for digital systems
• Easy interfacing with microcontrollers or other digital systems
• Wide operating voltage range allows compatibility with various power supplies
• High noise immunity ensures reliable operation in noisy environments
• Small package size saves board space

Disadvantages

• Limited number of I/O pins (16)
• Requires I2C-bus interface for communication

Working Principles

PCA9553TK/02,118 operates based on the I2C-bus protocol. It communicates with the microcontroller or digital system through the SDA (Serial Data Line) and SCL (Serial Clock Line) pins. The device can be addressed using the A0 and A1 pins, allowing multiple devices to be connected on the same bus.

The I/O pins can be individually configured as inputs or outputs. Input pins can have their polarity inverted if required. The interrupt output pin (INT) can be used to detect changes on any of the input pins, providing a means for efficient event-driven programming.

Detailed Application Field Plans

PCA9553TK/02,118 finds applications in various fields, including but not limited to:

1. Industrial automation: Controlling and monitoring peripheral devices such as sensors, actuators, and displays.
2. Home automation: Interface with switches, sensors, and lighting systems for smart home applications.
3. Automotive electronics: I/O expansion for controlling various vehicle functions and interfaces.
4. Consumer electronics: Expanding the I/O capabilities of microcontrollers in devices like gaming consoles, remote controls, etc.

Detailed and Complete Alternative Models

1. PCA9553PW,118
2. PCA9553BS,118
3. PCA9553D,112
4. PCA9553DP,118
5. PCA9553PW,112

These alternative models offer similar functionality and features to the PCA9553TK/02,118, providing options for different package types or quantities.

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