PCA9535PW The NXP Semiconductors PCA9535PW is a 16-bit I/O expander featuring an I2C/SMBus interface. It operates from a 2.3V to 5.5V supply and is housed in a 24-TSSOP surface mount package.
Mfr Part #:

PCA9535PW

Available from 5 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9535PW is a 16-bit I/O expander featuring an I2C/SMBus interface. It operates from a 2.3V to 5.5V supply and is housed in a 24-TSSOP surface mount package.
✓ Total Stock: 2,464 pcs
$ Price Range: $2.21

PCA9535PW Available from 5 distributors

✓ Authorised
✓ Non-Authorised

PCA9535PW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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PCA9535PW Description

Short technical summary and product information.

The NXP Semiconductors PCA9535PW is a versatile 16-bit I/O expander designed for expanding microcontroller capabilities. It communicates via the I2C and SMBus interfaces, supporting clock frequencies up to 400 kHz.

 

This device operates within a supply voltage range of 2.3V to 5.5V, with a maximum quiescent current of 1 µA and a typical standby current of 0.25 µA. It offers 16 I/O pins, each capable of sourcing up to 10 mA and sinking up to 25 mA. The expander includes an interrupt output pin and supports up to 8 addresses.

 

Packaged in a compact 24-TSSOP with gull-wing leads, the PCA9535PW is designed for surface mounting. It is rated for an operating temperature range of -40°C to 85°C, making it suitable for various industrial and commercial applications. The device also features ESD protection up to 2 kV.

PCA9535PW Quick Information

Product Type: I/O Expander
Series: PCA9535
Canonical Name: PCA9535PW I/O Expander
Subcategory: Interface ICs

PCA9535PW Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: PbFree Yes

PCA9535PW Estimated Pricing

Qty Low High
1+ $2.21 $2.21

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

PCA9535PW Features

  • 16-bit I/O expander for microcontrollers.
  • I2C and SMBus interface support.
  • Wide operating voltage from 2.3V to 5.5V.
  • Surface mount 24-TSSOP package.
  • Extended temperature range of -40°C to 85°C.

PCA9535PW Applications

  • Extends microcontroller I/O capabilities.
  • Suitable for embedded system designs.
  • Used in industrial control applications.
  • Ideal for space-constrained projects.

PCA9535PW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9535PW?

The PCA9535PW operates from a supply voltage of 2.3 V to 5.5 V.

What interface does the PCA9535PW use?

The PCA9535PW uses the I2C and SMBus interface types.

What is the maximum clock frequency for the PCA9535PW?

The maximum clock frequency for the PCA9535PW is 400 kHz.

What is the operating temperature range of the PCA9535PW?

The PCA9535PW has an operating temperature range of -40°C to 85°C.

What package type is the PCA9535PW available in?

The PCA9535PW is available in a 24-TSSOP package.

How many I/O pins does the PCA9535PW have?

The PCA9535PW has 16 I/O pins.

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