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TCA9534PWR The Texas Instruments TCA9534PWR is an 8-bit I2C/SMBus I/O expander. It operates from 1.65V to 5.5V and features a 400kHz I2C bus interface.
Mfr Part #:

TCA9534PWR

Available from 6 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9534PWR is an 8-bit I2C/SMBus I/O expander. It operates from 1.65V to 5.5V and features a 400kHz I2C bus interface.
✓ Total Stock: 32,706 pcs
$ Price Range: $0.52

TCA9534PWR Available from 6 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TCA9534PWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Frequency
Current
Industrial Grade
Interface
Interrupt Output
Medical Grade
Military Grade
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Voltage
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TCA9534PWR Description

Short technical summary and product information.

The TCA9534PWR from Texas Instruments is an 8-bit general-purpose parallel input/output (I/O) expander designed for I2C and SMBus applications. This device operates over a wide power-supply voltage range of 1.65V to 5.5V, making it suitable for various system designs. It supports a fast I2C bus frequency of up to 400kHz.

 

Key features include configuration registers for input/output direction, a polarity inversion register, and an open-drain active-low interrupt output. The I/O ports are 5V tolerant, and the device includes an internal power-on reset. It is available in a 16-TSSOP package, suitable for surface mounting.

 

This I/O expander is ideal for applications requiring additional digital I/Os without consuming significant microcontroller resources. Its flexible configuration and voltage compatibility make it a versatile component for embedded systems.

TCA9534PWR Quick Information

Product Type: IO Expander
Canonical Name: TCA9534PWR 8-bit I2C/SMBus I/O Expander
Subcategory: I2C, I3C & SPI General-Purpose I/Os (GPIOs)

TCA9534PWR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TCA9534PWR Estimated Pricing

Qty Low High
1+ $0.52 $0.52

Estimated market price range - modelled values for guidance only, not live distributor offers.

TCA9534PWR Features

  • 8-bit I2C/SMBus I/O expander.
  • Wide operating voltage from 1.65V to 5.5V.
  • Supports 400kHz fast I2C bus.
  • Includes interrupt output functionality.
  • Available in 16-TSSOP surface mount package.

TCA9534PWR Applications

  • Extends microcontroller digital I/O.
  • Suitable for low-voltage systems.
  • Interface expansion for embedded systems.
  • Control of multiple digital signals.

TCA9534PWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9534PWR?

The operating voltage range is 1.65V to 5.5V.

What is the maximum clock frequency for the TCA9534PWR?

The maximum clock frequency is 400 kHz.

Does the TCA9534PWR have an interrupt output?

Yes, the TCA9534PWR features an interrupt output.

What package type is the TCA9534PWR available in?

The TCA9534PWR is available in a 16-TSSOP package.

What is the operating temperature range for the TCA9534PWR?

The operating temperature range is -40°C to 85°C.

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