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PCA9535PWR The Texas Instruments PCA9535PWR is a 16-bit I/O expander designed for I2C and SMBus interfaces. It operates within a voltage range of 2.3V to 5.5V and features an interrupt output.
Mfr Part #:

PCA9535PWR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments PCA9535PWR is a 16-bit I/O expander designed for I2C and SMBus interfaces. It operates within a voltage range of 2.3V to 5.5V and features an interrupt output.
✓ Total Stock: 362 pcs
$ Price Range: $0.96

PCA9535PWR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
362 pcs
On Request
362 pcs On Request 1 On Request On Request 13+ On Request On Request
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PCA9535PWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Operating Voltage
Output Type
Supplier Device Package
Voltage
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PCA9535PWR Description

Short technical summary and product information.

The Texas Instruments PCA9535PWR is a versatile 16-bit I/O expander that facilitates communication via the I2C and SMBus protocols. It is designed to operate across a wide voltage range, from 2.3V to 5.5V, making it suitable for various microcontroller applications.

 

Key features include a maximum clock frequency of 400 kHz, an open-drain active-low interrupt output, and 5-V tolerant I/O ports. The device supports up to eight unique addresses through three hardware address pins, allowing for multiple expanders on the same bus. Its latched outputs provide high-current drive capability, useful for directly driving LEDs.

 

This I/O expander is housed in a 24-TSSOP package, suitable for surface mounting. The operating temperature range is from -40°C to 85°C. Its low standby current consumption of 1 µA makes it an energy-efficient choice for embedded systems.

 

The PCA9535PWR is compatible with most microcontrollers and offers configuration registers for flexible I/O management. It is a reliable solution for expanding the number of available digital I/Os in embedded designs.

PCA9535PWR Quick Information

Product Type: IO Expander
Canonical Name: PCA9535PWR 16-bit I2C/SMBus I/O Expander with Interrupt and Configuration Registers
Subcategory: I2C, I3C & SPI General-Purpose I/Os (GPIOs)

PCA9535PWR Compliance

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

PCA9535PWR Estimated Pricing

Qty Low High
1+ $0.96 $0.96

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

PCA9535PWR Features

  • 16-bit I/O expander for I2C/SMBus.
  • Operates from 2.3V to 5.5V supply.
  • Features an interrupt output pin.
  • Supports 400kHz fast I2C bus.
  • Available in 24-TSSOP package.

PCA9535PWR Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for embedded system designs.
  • Ideal for LED control applications.
  • Used in systems requiring addressable I/Os.

PCA9535PWR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9535PWR?

The PCA9535PWR operates within a voltage range of 2.3V to 5.5V.

What package type is the PCA9535PWR available in?

The PCA9535PWR is available in a 24-TSSOP package.

What is the operating temperature range for the PCA9535PWR?

The operating temperature range for the PCA9535PWR is -40°C to 85°C.

Does the PCA9535PWR have an interrupt output?

Yes, the PCA9535PWR features an open-drain active-low interrupt output.

What is the maximum clock frequency for the PCA9535PWR?

The PCA9535PWR supports a maximum clock frequency of 400 kHz.

How many I/O pins does the PCA9535PWR provide?

The PCA9535PWR provides 16 I/O pins.

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