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TCA9534APWR The Texas Instruments TCA9534APWR is an 8-bit I2C/SMBus I/O expander. It operates from 1.65V to 5.5V and supports a 400kHz Fast I2C bus speed.
Mfr Part #:

TCA9534APWR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9534APWR is an 8-bit I2C/SMBus I/O expander. It operates from 1.65V to 5.5V and supports a 400kHz Fast I2C bus speed.
✓ Total Stock: 7,380 pcs
$ Price Range: $0.60

TCA9534APWR Available from 4 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.

TCA9534APWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Frequency
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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TCA9534APWR Description

Short technical summary and product information.

The TCA9534APWR from Texas Instruments is an 8-bit general-purpose parallel input/output (I/O) expander designed for the I2C bus protocol. It operates within a wide power supply voltage range of 1.65V to 5.5V, making it suitable for various applications. The device supports both 100kHz Standard-mode and 400kHz Fast-mode I2C clock frequencies.

 

Key features include an open-drain active-low interrupt output, input and output configuration registers, and polarity inversion registers. It also boasts internal power-on reset and no glitch on power-up functionality. The I/O ports are 5V tolerant, and the device includes a noise filter on SCL/SDA inputs. Latch-up performance exceeds 100 mA, and ESD protection meets JESD 22 standards.

 

This I/O expander is ideal for applications requiring additional I/Os for switches, sensors, push-buttons, LEDs, and fans. It comes in a 16-TSSOP package with surface mount mounting type. The operating temperature range is -40°C to 85°C, and it is supplied in a tape and reel package with a standard quantity of 2,000 units.

TCA9534APWR Quick Information

Product Type: I/O Expander
Series: I2C & SPI general-purpose I/Os (GPIOs)
Canonical Name: TCA9534A 8-bit I2C/SMBus I/O Expander with Interrupt Output and Configuration Registers
Subcategory: I2C/SMBus I/O Expander

TCA9534APWR Compliance

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

TCA9534APWR Estimated Pricing

Qty Low High
1+ $0.60 $0.60

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

TCA9534APWR Features

  • 8-bit I2C/SMBus I/O expander.
  • Wide operating voltage from 1.65V to 5.5V.
  • Supports 400kHz Fast-mode I2C bus.
  • Includes active-low interrupt output.
  • Packaged in a 16-TSSOP for surface mounting.

TCA9534APWR Applications

  • Expands microcontroller I/O capabilities.
  • Interface for sensors and switches.
  • Control for LED indicators.
  • Suitable for low-voltage systems.

TCA9534APWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9534APWR?

The TCA9534APWR operates from 1.65V to 5.5V.

What package type is the TCA9534APWR available in?

The TCA9534APWR is available in a 16-TSSOP package.

What is the operating temperature range for the TCA9534APWR?

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

Does the TCA9534APWR have an interrupt output?

Yes, the TCA9534APWR features an open-drain active-low interrupt output.

What is the maximum clock frequency supported by the TCA9534APWR?

The TCA9534APWR supports a maximum clock frequency of 400 kHz.

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