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Name: PCA9555APW,118
Brand: NXP USA Inc.
SKU: PCA9555APW,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. PCA9555APW,118

Part No.:: PCA9555APW,118

Manufacturer:: NXP USA Inc.

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

Datasheet:: PCA9555APW,118.pdf

Description:: IC GPIO EXPANDER 24TSSOP

In Stock:: 2375

Quantity:: Add To Cart

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PCA9555APW,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, SMBus
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
10mA, 25mA
ClockFrequency:
400 kHz
Voltage-Supply:
1.65V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCA9555APW,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9555APW,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 PCA9555APW,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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PCA9555APW,118 information

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PCA9555APW,118 Typical application Circuitry

PCA9555APW,118

The PCA9555APW,118 is a 16-bit I2C-bus and SMBus I/O expander. It is engineered to provide additional input/output (I/O) ports to a microcontroller or processor, enabling it to handle more devices.

PCA9555APW,118 Application Scenarios:

1. Enhanced I/O for Microcontrollers: Used in embedded systems where a microcontroller needs more I/O ports than it has natively.

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

PCA9555APW,118 Key Features, and Parameters:

1. 16-Bit I/O Ports: Expands microcontroller capabilities with 16 additional I/O ports.

2. I2C and SMBus Interface: Offers compatibility with I2C and SMBus protocols.

3. Configurable Polarity Inversion: Allows changing the polarity of the I/O ports.

4. Low Standby Current: Suitable for power-sensitive applications.

5. Wide Voltage Range: Operates over a broad voltage range, accommodating various system designs.

Circuit Connection Example: Smart Home Control System

Overview: Using PCA9555APW,118 in a smart home control system to manage various devices.

1. Supply Voltage Connection:

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

2. Communication Bus Integration:

- SDA (pin 23) and SCL (pin 22) must be linked to the SDA and SCL lines of the control system's I2C or SMBus.

3. Peripheral Device Connections:

- I/O Ports (P00 to P07 and P10 to P17) for connecting devices like sensors, switches, or displays. Each port's function should be defined based on the specific needs of the connected device.

4. I2C Address Setting:

- Address Pins (A0, A1, and A2) enable setting a unique I2C address for the PCA9555APW,118, ensuring proper device communication on the bus.

Design Considerations:

1. Voltage Compatibility: Check that VCC aligns with both the control system's power level and the connected peripheral devices.

2. Bus Address Allocation: Configure the address pins to avoid conflicts and ensure efficient communication on the I2C or SMBus.

3. Port Functionality Programming: Program each port to match the requirements of the connected devices, considering whether they will be used as inputs or outputs.

4. Integration and Compatibility: Ensure seamless integration with the smart home system and compatibility with all connected devices.

In conclusion, the PCA9555APW,118 is an effective solution for expanding the I/O capabilities of control systems, particularly in complex applications like smart home systems. Its 16-bit I/O expansion, I2C and SMBus compatibility, configurable polarity, and energy efficiency make it a valuable component in such applications. Careful attention should be given to voltage compatibility, address settings, port configuration, and overall system integration during the design process.

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6. What is the process for return or replacement of PCA9555APW,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 PCA9555APW,118 we delivered, we will accept the replacement or return of the PCA9555APW,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 PCA9555APW,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