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Name: PCA9555PW,112
Brand: NXP USA Inc.
SKU: PCA9555PW,112
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. PCA9555PW,112

Part No.:: PCA9555PW,112

Manufacturer:: NXP USA Inc.

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

Datasheet:: PCA9555PW,112.pdf

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

In Stock:: 2553

Quantity:: Add To Cart

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PCA9555PW,112 Specifications

Package/Case:
24-TSSOP (0.173, 4.40mm Width)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Active
NumberofI/O:
16
Interface:
I²C, SMBus
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
10mA, 25mA
ClockFrequency:
400 kHz
Voltage-Supply:
2.3V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCA9555PW,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9555PW,112 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 PCA9555PW,112 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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PCA9555PW,112 information

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PCA9555PW,112 Typical application Circuitry

PCA9555PW,112

The PCA9555PW,112 is a 16-bit I/O expander with an I2C-bus interface. It is designed to provide additional input/output (I/O) ports for a microcontroller or processor, enhancing the capability to control a larger number of devices.

PCA9555PW,112 Application Scenarios:

1. Embedded Systems Expansion: Often used in embedded systems to increase the number of I/O ports available for sensors, actuators, and other peripherals.

2. Industrial Automation: Suitable for industrial control systems where extensive I/O capabilities are needed.

PCA9555PW,112 Crucial attributes and parameters:

1. 16-Bit I/O Ports: With 16 extra I/O ports, this port type offers significant expansion.

2. I2C-Bus Compatibility: Guarantees smooth communication with protocols for the I2C bus.

3. Configurable Port Direction: You can select the input and output ports separately.

4. Low Standby Current: Ideal for energy-sensitive applications.

5. Broad Voltage Range: Compatible with a variety of system voltages, increasing flexibility.

Circuit Connection Example: Smart Building Control System

Overview: Implementing PCA9555PW,112 in a smart building system for managing lighting and HVAC controls.

1. Power Supply Connection:

- VCC (pin 24) should be connected to the smart building system's power supply, within the chip's recommended voltage range.

2. I2C Bus Integration:

- The matching SDA and SCL lines of the building system's I2C bus must be connected to SDA (pin 23) and SCL (pin 22).

3. Controlling Devices via I/O Ports:

- I/O Ports (P00 to P07 and P10 to P17) for interfacing with lighting systems, thermostats, and other control elements. Each port's configuration should align with the functionality of the connected device.

4. I2C Address Configuration:

- Address Pins (A0, A1, and A2) are essential for setting the I2C address of the PCA9555PW,112, ensuring proper device identification and communication on the bus.

Design Considerations:

1. Voltage Compatibility: Verify that VCC aligns with the power levels of the smart building system and connected peripherals.

2. I2C Addressing Accuracy: Set the address pins correctly to prevent conflicts on the I2C bus.

3. Port Configuration: Appropriately program each port as either an input or output, based on the requirements of the connected devices.

4. System Integration and Testing: Ensure the PCA9555PW,112 is seamlessly integrated into the smart building system, including thorough testing for connectivity and functionality.

In conclusion, the PCA9555PW,112 is an efficient solution for expanding the I/O capabilities in applications like smart building control systems. Its 16-bit I/O expansion, I2C compatibility, configurable ports, low power consumption, and adaptable voltage range make it highly suitable for such applications. Key aspects in circuit design include voltage compatibility, I2C addressing, port configuration, and ensuring robust integration within the broader system.

PCA9555PW,112 FAQ

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3. Are the PCA9555PW,112 price and inventory displayed accurate?

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6. What is the process for return or replacement of PCA9555PW,112?

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 PCA9555PW,112 we delivered, we will accept the replacement or return of the PCA9555PW,112 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 PCA9555PW,112.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations