What is the Additional Feature ?

Name: PCA9555PWRG4
Brand: Texas Instruments
SKU: PCA9555PWRG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

Cart ( )

lmages are for reference only See Product Specifications

Texas Instruments PCA9555PWRG4

Part No.:: PCA9555PWRG4

Manufacturer:: Texas Instruments

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

Datasheet:: PCA9555PWRG4.pdf

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

In Stock:: 2618

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

PCA9555PWRG4 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

PCA9555PWRG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9555PWRG4 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 PCA9555PWRG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

PCA9555PWRG4 information

Views：

PCA9555PWRG4 Typical application Circuitry

PCA9555PWRG4

The PCA9555PWRG4 is a 16-bit I/O expander chip with I2C-bus and SMBus interface capabilities. It is designed to increase the number of I/O ports available in a system, particularly useful in microcontroller-based applications.

PCA9555PWRG Application Scenarios:

1. Microcontroller I/O Expansion: Commonly utilized in embedded systems where additional I/O ports are required beyond what the microcontroller offers.

2. Complex Interface Systems: Ideal for control panels in industrial machines or advanced user interfaces in consumer electronics.

PCA9555PWRG Key Features and Parameters:

1. 16-Bit I/O Ports: Provides a significant expansion with 16 additional I/O ports.

2. I2C/SMBus Interface: Ensures compatibility with popular communication protocols.

3. Configurable Polarity: Offers flexibility with configurable input polarity.

4. Low Power Consumption: Designed to be energy efficient, suitable for battery-powered devices.

5. Broad Voltage Range Compatibility: Accommodates a variety of operating voltages, enhancing its adaptability to different systems.

Circuit Connection Example: Home Automation Control Panel

Overview: Implementing PCA9555PWRG4 in a home automation system for managing various controls.

1. Power Connection:

- VCC (pin 24) should be connected to the control system's power supply, within the specified operating range of the PCA9555PWRG4.

2. I2C Bus Connection:

- SDA (pin 23) and SCL (pin 22) need to be connected to the respective SDA and SCL lines of the home automation system's I2C bus.

3. Peripheral Connection:

- I/O Ports (P00 to P07 and P10 to P17) should be used to connect switches, sensors, or other control elements. Each port's configuration must align with the function of the connected device.

4. I2C Address Setting:

- Address Pins (A0, A1, and A2) are crucial for setting the I2C address of the PCA9555PWRG4, ensuring correct identification on the bus.

Design Considerations:

1. Voltage Compatibility: Ensure that VCC matches the power levels of the home automation system and the peripherals.

2. I2C Bus Configuration: Accurately set the address pins to avoid conflicts on the I2C bus and ensure efficient communication.

3. I/O Port Setup: Each port should be properly programmed as input or output in accordance with the requirements of the connected devices.

4. Circuit Protection: Implement suitable protection mechanisms, such as overcurrent protection, especially for outputs controlling actuators or relays.

In summary, the PCA9555PWRG4 is a versatile I/O expander that is particularly effective in enhancing the I/O capabilities of microcontroller-based systems like home automation control panels. Its features, such as 16-bit expansion, I2C/SMBus compatibility, configurable input polarity, energy efficiency, and wide voltage range, make it a preferred choice in such applications. When designing circuits with this chip, it is important to consider aspects like voltage compatibility, I2C bus configuration, port setup, and the incorporation of protective measures.

PCA9555PWRG4 FAQ

1. How to order PCA9555PWRG4 on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that PCA9555PWRG4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the PCA9555PWRG4. All suppliers must pass our qualification reviews before they can publish their products including PCA9555PWRG4 on icwhale.com; we pay more attention to the channels and quality of PCA9555PWRG4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the PCA9555PWRG4 price and inventory displayed accurate?

The price and inventory of PCA9555PWRG4 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of PCA9555PWRG4?

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 PCA9555PWRG4 we delivered, we will accept the replacement or return of the PCA9555PWRG4 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 PCA9555PWRG4.

(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