PCA9539PWR
Lo-Pwr I/O Expander
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1000 | $0.587 | $587.00 |
500 | $0.605 | $302.50 |
100 | $0.645 | $64.50 |
30 | $0.755 | $22.65 |
10 | $0.835 | $8.35 |
1 | $0.984 | $0.98 |
Inventory:8,853
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : PCA9539PWR
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Package/Case : TSSOP-24
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Manufacturer : Texas Instruments
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Components Classification : I/O Expanders
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Datesheet : PCA9539PWR DataSheet (PDF)
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Series : PCA9539
The PCA9539PWR is an 16-bit I2C-bus I/O expander IC designed for input and output expansion in various applications. It provides remote I/O expansion for most microcontroller families via the I2C-bus interface. (Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.) Include a circuit diagram illustrating the connections and operation of the PCA9539PWR IC for a visual representation. Note: For detailed technical specifications, please refer to the PCA9539PWR datasheet. Functionality The PCA9539PWR provides a flexible solution for I/O expansion, allowing seamless integration with microcontrollers and other devices through the I2C-bus interface. It enhances the versatility and functionality of connected systems. Usage Guide Q: Can multiple PCA9539PWR devices be connected to the same I2C bus? Q: Is the PCA9539PWR compatible with 5V microcontrollers? For similar functionalities, consider these alternatives to the PCA9539PWR:Overview of PCA9539PWR
Pinout
Circuit DiagramKey Features
Application
Frequently Asked Questions
A: Yes, multiple PCA9539PWR devices can be connected to the same I2C bus by setting unique addresses using the address select pins.
A: The PCA9539PWR is compatible with both 3.3V and 5V microcontrollers, ensuring versatility in system design.Equivalent
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Number of I/Os | 16 | Features | Configuration registers, Interrupt pin, Reset pin |
Supply voltage (min) (V) | 2.3 | Supply voltage (max) (V) | 5.5 |
Addresses | 4 | Rating | Catalog |
Frequency (max) (MHz) | 0.4 | Operating temperature range (°C) | -40 to 85 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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PCA9539PWR
Lo-Pwr I/O Expander
Inventory:
8,853
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




