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TCA9539QPWRQ1 The Texas Instruments TCA9539QPWRQ1 is an I/O Expander featuring 16 I/Os and supporting I²C and SMBus interfaces. It operates within a voltage range of 1.65V to 3.6V.
Mfr Part #:

TCA9539QPWRQ1

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9539QPWRQ1 is an I/O Expander featuring 16 I/Os and supporting I²C and SMBus interfaces. It operates within a voltage range of 1.65V to 3.6V.
✓ Total Stock: 53,547 pcs
$ Price Range: $1.15

TCA9539QPWRQ1 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
51,657 pcs
On Request
51657 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,874 pcs
On Request
1874 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
16 pcs
On Request
16 pcs On Request 1 On Request On Request On Request On Request On Request
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.

TCA9539QPWRQ1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Current
Features
Frequency
Interface
Interrupt Output
Mounting Type
Number of I
Operating Temperature
Output Type
Supplier Device Package
Voltage
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TCA9539QPWRQ1 Description

Short technical summary and product information.

The Texas Instruments TCA9539QPWRQ1 is a versatile I/O expander designed for expanding digital I/O capabilities in embedded systems. This component offers 16 I/O pins, configurable via I²C and SMBus interfaces, making it suitable for a wide range of applications requiring additional control or monitoring points.

 

Key electrical specifications include an operating voltage range from 1.65V to 3.6V and a maximum clock frequency of 400 kHz. The device supports features such as configuration registers, an interrupt pin, and a reset pin, providing flexibility in system design. The output type is push-pull, and it supports currents of 10mA and 25mA.

 

Packaged in a 24-TSSOP, the TCA9539QPWRQ1 is designed for surface mount applications. Its operating temperature range is -40°C to 125°C, ensuring reliable performance in various environmental conditions. The part is also noted as Functional Safety-Capable by Texas Instruments.

 

This I/O expander is a valuable component for designers needing to increase the number of available I/O pins without significantly altering the main microcontroller or processor. Its compact package and standard interface protocols facilitate integration into complex electronic designs.

TCA9539QPWRQ1 Quick Information

Product Type: I/O Expander
Canonical Name: TCA9539QPWRQ1 I/O Expander
Subcategory: Interface

TCA9539QPWRQ1 Compliance

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

TCA9539QPWRQ1 Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

TCA9539QPWRQ1 Features

  • Provides 16 configurable I/O pins.
  • Operates from 1.65V to 3.6V supply.
  • Supports I²C and SMBus interfaces.
  • Features interrupt and reset pins.
  • Available in a 24-TSSOP package.

TCA9539QPWRQ1 Applications

  • Expands microcontroller I/O capabilities.
  • Suitable for embedded system control.
  • Used in consumer electronics designs.
  • Applicable in industrial automation.

TCA9539QPWRQ1 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9539QPWRQ1?

The operating voltage range is 1.65V to 3.6V.

What package type is the TCA9539QPWRQ1 available in?

The TCA9539QPWRQ1 is available in a 24-TSSOP package.

What is the operating temperature range for this I/O expander?

The operating temperature range is -40°C to 125°C.

Is the TCA9539QPWRQ1 RoHS compliant?

The RoHS status is RoHS3 Compliant.

What is the maximum frequency for the TCA9539QPWRQ1?

The maximum frequency is 0.4MHz.

How many I/O pins does the TCA9539QPWRQ1 have?

The TCA9539QPWRQ1 has 16 I/O pins.

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