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Name: PCA9534PWR
Brand: Texas Instruments
SKU: PCA9534PWR
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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Texas Instruments PCA9534PWR

Part No.:: PCA9534PWR

Manufacturer:: Texas Instruments

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9534PWR.pdf

Description:: IC I/O EXPANDER I2C 8B 16TSSOP

In Stock:: 3667

Quantity:: Add To Cart

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PCA9534PWR Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
NumberofI/O:
8
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

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PCA9534PWR information

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PCA9534PWR Typical application Circuitry

PCA9534PWR

The PCA9534PWR is an 8-bit I2C-bus and SMBus low-power I/O expander. It is designed to enhance the capabilities of microcontrollers and processors by providing additional general-purpose input/output (GPIO) ports, especially in applications where the number of available GPIO pins is limited.

PCA9534PWR Application Scenarios:

1. I/O Expansion in Embedded Systems: Widely used to add more GPIOs to microcontrollers in embedded systems, such as in home automation, industrial controls, or IoT devices.

2. Control Functions in Consumer Electronics: Utilized in consumer electronics for controlling various functionalities, like managing LEDs, buttons, or other peripherals.

PCA9534PWR Key Features and Parameters:

1. 8-Bit I/O Expansion: Offers eight additional GPIOs that can be individually set as inputs or outputs.

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

3. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-powered applications.

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

Circuit Connection Example: Expanding GPIOs in an IoT Device

Overview: Implementing PCA9534PWR to expand the GPIO capabilities of a microcontroller in an Internet of Things (IoT) device.

1. Power Supply Connection: VCC (pin 16) should be linked to the microcontroller's power supply, typically within a range of 2.3V to 5.5V.

2. Establishing Ground Connection: The system's ground must be linked to GND (pin 8).

3. I2C Bus Integration: SDA (pin 14) and SCL (pin 15) are to be connected to the I2C data and clock lines of the microcontroller.

4. Configuring I/O Ports: P0 to P7 (pins 1-7 and 9-12) serve as configurable I/O ports, which can be set up as inputs or outputs as required.

5. I2C Address Setting: A0, A1, and A2 (pins 13, 5, and 6, respectively) must be configured to establish the specific I2C address for the expander, connecting them to VCC or GND depending on the desired address.

Design Considerations:

1. Matching the Voltage Levels: Ensure that VCC is compatible with the logic level of the microcontroller.

2. I2C Addressing Configuration: Correctly set A0, A1, and A2 to prevent I2C address conflicts.

3. Inclusion of Pull-Up Resistors on I2C Lines: Include suitable pull-up resistors on the SDA and SCL lines for reliable I2C communication.

4. Proper Configuration of I/O Ports: Set P0 to P7 as input or output according to the specific requirements of the IoT application.

In summary, the PCA9534PWR is an efficient solution for expanding the GPIO capabilities of microcontroller systems, particularly useful in IoT applications and embedded systems. Its compatibility with I2C-bus standards, low power consumption, and flexible pin configuration make it a valuable component in various electronic applications.

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6. What is the process for return or replacement of PCA9534PWR?

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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 PCA9534PWR.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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