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Name: PCA9673PW,118
Brand: NXP USA Inc.
SKU: PCA9673PW,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. PCA9673PW,118

Part No.:: PCA9673PW,118

Manufacturer:: NXP USA Inc.

Package:: 24-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9673PW,118.pdf

Description:: IC I/O EXPANDER I2C 16B 24TSSOP

In Stock:: 2057

Quantity:: Add To Cart

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PCA9673PW,118 Specifications

Package/Case:
24-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofI/O:
16
Interface:
I²C
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
100µA, 25mA
ClockFrequency:
1 MHz
Voltage-Supply:
2.3V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCA9673PW,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9673PW,118 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCA9673PW,118 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCA9673PW,118 information

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PCA9673PW,118 Typical application Circuitry

PCA9673PW,118

The PCA9673PW,118 is a 16-bit General Purpose Input/Output (GPIO) expander with an I²C-bus interface, designed to expand the number of GPIOs available to a microcontroller system. This IC is particularly useful in scenarios where additional inputs or outputs are required beyond what the microcontroller itself can provide. It finds applications in various domains such as industrial controls, home automation, server management, and extended I/O for embedded systems.

Key Parameters and Features:

- 16 Additional I/O Ports: Significantly expands the GPIO capacity, facilitating complex device interactions.

- I²C Interface: Enables easy communication with most microcontrollers, providing a simple means to control the expanded I/O ports.

- Configurable Port Direction: Each I/O port can be individually set as an input or output, offering flexibility in application design.

- Polarity Inversion Registers: Allow for the inversion of the logic levels of the I/O pins, enhancing compatibility with different logic systems.

- Low Standby Current: Ensures minimal power consumption when the device is not actively driving outputs or polling inputs, ideal for power-sensitive applications.

Application Scenario - Industrial Sensor Hub:

In an industrial setting, the PCA9673PW,118 can serve as the core of a sensor hub, interfacing with a wide array of sensors to monitor environmental conditions or machine statuses.

1. Power Supply Integration: Connect the VDD pin to a 3.3V or 5V power source, compatible with the logic level requirements of both the PCA9673PW,118 and the microcontroller it interfaces with. It's critical to ensure the power supply is stable and can deliver sufficient current for all connected devices.

2. Grounding for System Stability: Link the GND pin to the system's ground. A robust ground connection is paramount for reducing noise and ensuring reliable operation of the GPIO expander and its connected peripherals.

3. Establishing I²C Communication: Attach the SDA (Serial Data) and SCL (Serial Clock) pins to the corresponding I²C bus lines of the microcontroller. Proper communication setup is essential for configuring the PCA9673PW,118 and controlling its I/O ports effectively.

4. Connecting Sensors to I/O Ports: Wire various sensors to the I/O ports (P0-P15) based on the required input or output functionality. For inputs, ensure that sensors are properly powered and their signals are compatible with the input logic levels of the PCA9673PW,118. For outputs, consider whether additional driver circuits are needed to actuate devices based on the sensor data.

5. Address Selection for I²C Devices: Configure the hardware address of the PCA9673PW,118 using the A0, A1, and A2 pins, allowing for multiple devices on the same I²C bus. This capability is crucial for expanding the system to accommodate more sensors or actuators without requiring additional microcontroller pins.

6. Circuit Design Considerations: When designing the sensor hub circuit, it's important to consider the electrical characteristics and requirements of all connected sensors, ensuring that voltage levels and current draw are within the specifications of the PCA9673PW,118. Additionally, implement proper I²C bus pull-up resistors, and consider the placement of decoupling capacitors near the VDD pin to stabilize the power supply. Lastly, account for the potential need for signal conditioning between sensors and the I/O expander to match logic levels and protect against voltage spikes.

Utilizing the PCA9673PW,118 in an industrial sensor hub allows for a significant expansion of the microcontroller's I/O capabilities, enabling comprehensive monitoring and control within industrial environments. By carefully managing power supply connections, grounding, I²C communication, sensor integration, and addressing design challenges such as electrical compatibility, noise management, and signal integrity, engineers can effectively harness the PCA9673PW,118 to develop advanced, reliable industrial systems.

PCA9673PW,118 FAQ

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6. What is the process for return or replacement of PCA9673PW,118?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9673PW,118 we delivered, we will accept the replacement or return of the PCA9673PW,118 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9673PW,118.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations