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Name: PCA9539PW,112
Brand: NXP USA Inc.
SKU: PCA9539PW,112
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. PCA9539PW,112

Part No.:: PCA9539PW,112

Manufacturer:: NXP USA Inc.

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

Datasheet:: PCA9539PW,112.pdf

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

In Stock:: 2702

Quantity:: Add To Cart

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PCA9539PW,112 Specifications

Package/Case:
24-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
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

PCA9539PW,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9539PW,112 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 PCA9539PW,112 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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PCA9539PW,112 information

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PCA9539PW,112 Typical application Circuitry

PCA9539PW,112

The PCA9539PW,112 is a 16-bit I2C-bus and SMBus low-power I/O expander. It is designed to provide additional input/output (I/O) capability to a microcontroller or processor in systems with limited GPIO pins, using the I2C bus for communication.

PCA9539PW,112 Application Scenarios:

1. I/O Expansion in Embedded Systems: Ideal for embedded systems, such as home automation devices, industrial controls, or Internet of Things (IoT) devices, where additional GPIOs are required for interfacing with sensors, LEDs, or other peripherals.

2. Control Functions in Consumer Electronics: Used in consumer electronics like smartphones and PCs for managing various control functions.

PCA9539PW,112 Key Features and Parameters:

1. 16-Bit I/O Ports: The PCA9539PW,112 provides sixteen additional I/O ports, each configurable as an input or output.

2. I2C-Bus Interface: Compatible with the I2C-bus and SMBus, ensuring easy integration into most microcontroller-based systems.

3. Low Power Consumption: Suitable for energy-efficient and battery-powered devices.

4. Programmable Polarity Inversion: Includes programmable polarity inversion for the input ports.

5. Wide Operating Voltage Range: Typically operates within a voltage range of 2.3V to 5.5V, accommodating various logic levels.

Circuit Connection Example: Expanding GPIOs in an IoT Device

Overview: Implementing PCA9539PW,112 to expand the GPIO functionality of a microcontroller in an IoT device.

1. Power Supply Integration: VDD (pin 24) should be connected to the microcontroller's power supply, typically within the 2.3V to 5.5V range.

2. Ground Connection: The system's ground must be linked to GND (pin 12).

3. I2C Bus Connectivity: SDA (pin 23) and SCL (pin 22) should be linked to the I2C data and clock lines of the microcontroller.

4. Configuring I/O Ports: P0.0 to P0.7 (pins 1-7) and P1.0 to P1.7 (pins 13-20) serve as the I/O ports, programmable as inputs or outputs as required.

5. I2C Address Configuration: A0, A1, and A2 (pins 21, 20, and 19, respectively) must be set to establish the specific I2C address for the device, connecting them to either VCC or GND.

Design Considerations:

1. Voltage Level Compatibility: Ensure VDD is compatible with the logic level voltage of the microcontroller.

2. I2C Address Configuration: Appropriately set A0, A1, and A2 to avoid address conflicts on the I2C bus.

3. Pull-Up Resistors for I2C Lines: Include suitable pull-up resistors on the SDA and SCL lines to ensure stable I2C communication.

4. Input/Output Port Configuration: Properly set up P0.0 to P1.7 as inputs or outputs based on the specific requirements of the IoT device.

5. Power Consumption Awareness: Be mindful of the low power consumption feature, especially in battery-powered applications.

In conclusion, the PCA9539PW,112 is an effective solution for expanding the GPIO capabilities of microcontroller systems, particularly beneficial in IoT applications and complex electronics. Its 16-bit I/O expansion, compatibility with I2C-bus standards, and energy-efficient design make it a valuable component in a variety of applications where additional GPIOs are necessary.

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6. What is the process for return or replacement of PCA9539PW,112?

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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 PCA9539PW,112.

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