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Name: PCA9555PWRE4
Brand: Texas Instruments
SKU: PCA9555PWRE4
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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Texas Instruments PCA9555PWRE4

Part No.:: PCA9555PWRE4

Manufacturer:: Texas Instruments

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

Datasheet:: PCA9555PWRE4.pdf

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

In Stock:: 3552

Quantity:: Add To Cart

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PCA9555PWRE4 Specifications

Package/Case:
24-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
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

PCA9555PWRE4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9555PWRE4 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 PCA9555PWRE4 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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PCA9555PWRE4 information

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PCA9555PWRE4 Typical application Circuitry

PCA9555PWRE4

The PCA9555PWRE4 is a 16-bit I2C-bus and SMBus I/O expander. It is designed to enhance the number of I/O ports available in a system, particularly useful for microcontrollers with limited I/O capabilities.

PCA9555PWRE4 Application Scenarios:

1. Expansion in Embedded Systems: Used to increase the I/O ports in embedded devices, such as IoT gadgets and smart home appliances.

2. Control Panels: Ideal for complex control panels in industrial and commercial applications.

PCA9555PWRE4 Key Features and Parameters:

1. 16-Bit I/O Expansion: Offers a substantial increase in I/O ports.

2. I2C/SMBus Interface: Compatible with I2C and SMBus communication protocols.

3. Configurable Polarity: Allows for adaptable input polarity.

4. Energy Efficiency: Designed with a focus on low power consumption.

5. Versatile Voltage Compatibility: Supports a wide range of operating voltages.

Circuit Connection Example: IoT Device Control System

Overview: Implementing PCA9555PWRE4 in an IoT device for managing various sensors and controls.

1. Power Supply Integration:

- VCC (pin 24) should be connected to the IoT device's power supply, compatible with the chip's operating voltage range.

2. I2C Bus Integration:

- SDA (pin 23) and SCL (pin 22) need to be connected to the corresponding SDA and SCL lines of the IoT device's I2C bus.

3. Peripheral Device Connection:

- I/O Ports (P00 to P07 and P10 to P17) are for connecting to sensors, switches, or other interfaces. Each port should be configured according to the connected device's functionality.

4. I2C Address Setup:

- Address Pins (A0, A1, and A2) are essential for setting the I2C address of the PCA9555PWRE4, enabling proper communication on the bus.

Design Considerations:

1. Voltage Level Alignment: Ensure VCC matches the power requirements of both the IoT device and the peripherals.

2. I2C Addressing: Carefully configure the address pins to prevent any conflicts on the I2C bus.

3. Port Configuration: Program each port correctly as either an input or output, depending on the requirements of the connected peripherals.

4. System Integration: Ensure the PCA9555PWRE4 is seamlessly integrated into the IoT device, including thorough testing of connectivity and function.

In conclusion, the PCA9555PWRE4 is an effective I/O expander, enhancing the capabilities of microcontroller-based systems such as IoT devices. Its 16-bit I/O expansion, compatibility with I2C and SMBus, configurable input polarity, and low power consumption make it highly suitable for such applications. Key considerations in circuit design include voltage alignment, I2C addressing, port setup, and ensuring robust integration into the broader system.

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6. What is the process for return or replacement of PCA9555PWRE4?

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 PCA9555PWRE4 we delivered, we will accept the replacement or return of the PCA9555PWRE4 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 PCA9555PWRE4.

(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