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Name: PCA9554PWRG4
Brand: Texas Instruments
SKU: PCA9554PWRG4
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 PCA9554PWRG4

Part No.:: PCA9554PWRG4

Manufacturer:: Texas Instruments

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9554PWRG4.pdf

Description:: IC I/O EXPANDER I2C 8B 16TSSOP

In Stock:: 2252

Quantity:: Add To Cart

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PCA9554PWRG4 Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Discontinued at Mosen
NumberofI/O:
8
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

PCA9554PWRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9554PWRG4 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 PCA9554PWRG4 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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PCA9554PWRG4 information

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PCA9554PWRG4 Typical application Circuitry

PCA9554PWRG4

The PCA9554PWRG4 is an 8-bit I/O expander with an I2C-bus interface. It is designed to provide additional I/O ports to an I2C-bus, enabling a microcontroller to communicate with more devices or peripherals.

PCA9554PWRG4 Application Scenarios:

1. I/O Port Expansion: Commonly used in microcontroller-based systems where additional I/O ports are required, such as embedded systems, industrial controls, and automation systems.

2. Interface with Multiple Devices: Ideal for systems needing to interface with a large number of sensors, LEDs, or other peripherals requiring I/O ports.

PCA9554PWRG4 Key Features and Parameters:

1. 8-Bit I/O Expander: Provides 8 additional I/O ports for a microcontroller.

2. I2C Bus Integrity: To ensure correct I2C operation, take into account pull-up resistors on the SDA and SCL channels.

3. Wide Operating Voltage Range: Typically operates within a 2.3V to 5.5V range.

4. Low Standby Current: Features an energy-efficient design with a low standby current.

5. Configurable Ports: Ports can be configured as inputs or outputs.

Circuit Connection Example: Control System with Multiple Sensors

Overview: Implementing PCA9554PWRG4 in a microcontroller-based system for sensor control.

1. Power Supply Connection:

- VCC (pin 16) should be connected to the system's power supply, typically within the 2.3V to 5.5V range.

2. Grounding the Expander:

- GND (pin 8) needs to be connected to the system's ground.

3. I2C Bus Connection:

- SDA (pin 15) and SCL (pin 14) should be connected to the SDA and SCL lines of the microcontroller's I2C bus.

4. Connecting Sensors to I/O Ports:

- P0 to P7 (pins 1-7 and pin 9) are connected to the sensors. Each pin interfaces with a sensor that requires an I/O port.

5. Address Selection via Pins:

- A0, A1, and A2 (pins 10, 11, and 12, respectively) are used for hardware addressing, setting the I2C address of the PCA9554PWRG4.

Design Considerations:

1. Voltage Level Matching: Ensure VCC matches the logic levels of the microcontroller and connected devices.

2. I2C Bus Integrity: Consider pull-up resistors on the SDA and SCL lines for proper I2C operation.

3. Address Configuration: Set A0, A1, and A2 correctly to avoid address conflicts on the I2C bus.

4. I/O Port Configuration: Configure the ports correctly in software as inputs or outputs based on the connected sensors.

5. Sensor Compatibility: Ensure that the sensors connected to the I/O ports are compatible with the voltage levels and current capabilities of the PCA9554PWRG4.

In conclusion, the PCA9554PWRG4 is a versatile I/O expander that significantly enhances the I/O capabilities of microcontroller-based systems. Its 8-bit expansion, I2C-bus compatibility, and configurable ports make it especially useful in systems requiring additional I/O ports, such as those used for sensor control.

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6. What is the process for return or replacement of PCA9554PWRG4?

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(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 PCA9554PWRG4.

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

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