PCA9539PWRE4
- Mfr.Part #
- PCA9539PWRE4
- Manufacturer
- Texas Instruments
- Package / Case
- 24-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC I/O EXPANDER I2C 16B 24TSSOP
- Stock
- 35,572
- In Stock :
- 35,572
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Texas Instruments
- Product Category :
- I/O Expanders
- Output Current :
- 25mA
- JESD-609 Code :
- e4
- Package / Case :
- 24-TSSOP (0.173, 4.40mm Width)
- Qualification Status :
- Not Qualified
- Number of I/O :
- 16
- Packaging :
- Tape and Reel (TR)
- Interface :
- I2C, SMBus
- Length :
- 7.8mm
- Mounting Type :
- Surface Mount
- Supply Voltage :
- 3V
- Operating Supply Voltage :
- 5.5V
- Number of Terminations :
- 24
- Width :
- 4.4mm
- Base Part Number :
- CA9539
- ECCN Code :
- EAR99
- Number of Bits :
- 16
- Feature :
- POR
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature :
- -40°C~85°C
- Number of Pins :
- 24
- Surface Mount :
- yes
- Terminal Position :
- Dual
- Voltage - Supply :
- 2.3V~5.5V
- Terminal Form :
- Gull wing
- Number of Ports :
- 2
- RoHS Status :
- ROHS3 Compliant
- Lead Free :
- Lead Free
- Clock Frequency :
- 400kHz
- Peak Reflow Temperature (Cel) :
- 260
- Interrupt Output :
- yes
- Output Type :
- Push-Pull
- Number of Outputs :
- 2
- Current - Output Source/Sink :
- 10mA 25mA
- Terminal Pitch :
- 0.65mm
- Weight :
- 89.499445mg
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Pin Count :
- 24
- Datasheets
- PCA9539PWRE4

I/O Expanders Texas Instruments PCA9539PWRE4 Overview
The PCA9539PWRE4, manufactured by Texas Instruments, is an integrated circuit (IC) designed for expanding input/output (I/O) capabilities in electronic systems. This device facilitates efficient I2C communication and offers 16 bits of general-purpose parallel input/output expansion. Packaged in a 24-pin TSSOP, this IC provides versatility and reliability, making it an ideal choice for various applications requiring flexible I/O expansion solutions.
PCA9539PWRE4 Features
- 16-bit general-purpose parallel I/O expansion
- I2C interface for efficient communication
- 24-pin TSSOP package for compact integration
- Programmable GPIO functionality
- Wide operating voltage range: 2.3V to 5.5V
- Low standby current consumption
- Interrupt output for efficient system monitoring
- Compatible with various microcontrollers and interface standards
PCA9539PWRE4 Applications
- Industrial Automation: The PCA9539PWRE4 is utilized in industrial control systems for expanding I/O capabilities, enabling seamless integration of sensors, actuators, and other peripheral devices. Its programmable GPIO functionality and efficient communication interface make it suitable for diverse automation applications.
- Smart Home Devices: In smart home applications, the PCA9539PWRE4 facilitates the expansion of I/O ports in connected devices such as smart lighting systems, environmental sensors, and security cameras. Its compact package and low power consumption make it an ideal choice for energy-efficient home automation solutions.
- Consumer Electronics: This IC is incorporated into various consumer electronics products to enhance their functionality by providing additional I/O expansion. It can be used in devices such as gaming consoles, home entertainment systems, and smart appliances, enabling seamless connectivity and control.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















