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TCA9555PWR The Texas Instruments TCA9555PWR is an I/O expander with 16 channels, supporting I2C and SMBus interfaces. It operates from a 1.65V to 5.5V supply and is available in a 24-TSSOP package.
Mfr Part #:

TCA9555PWR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TCA9555PWR is an I/O expander with 16 channels, supporting I2C and SMBus interfaces. It operates from a 1.65V to 5.5V supply and is available in a 24-TSSOP package.
✓ Total Stock: 79,025 pcs
$ Price Range: $1.15

TCA9555PWR Available from 4 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
61,288 pcs
On Request
61288 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request 20+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,238 pcs
On Request
3238 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
Non-Authorised Inventory information
2,499 pcs
On Request
2499 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.

TCA9555PWR 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
Output Type
Supplier Device Package
Voltage
Voltage Supply
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TCA9555PWR Description

Short technical summary and product information.

The TCA9555PWR from Texas Instruments is an integrated circuit designed as an I/O expander. It features 16 input/output pins that can be controlled via the I2C or SMBus interface, operating at clock frequencies up to 400 kHz.

 

This device supports a wide supply voltage range from 1.65V to 5.5V, making it versatile for various system designs. The output type is push-pull, and it provides an interrupt output signal. The I/O pins can source or sink current up to 10mA and 25mA respectively.

 

Packaged in a 24-TSSOP form factor with a surface mount type, the TCA9555PWR is suitable for compact electronic designs. Its operating temperature range is -40°C to 85°C. The POR (Power-On Reset) feature is also included.

 

This I/O expander is part of the broader category of interface ICs, specifically designed to increase the number of available digital I/O pins in microcontroller-based systems.

TCA9555PWR Quick Information

Product Type: I/O Expander
Canonical Name: TCA9555PWR I/O Expander
Subcategory: I/O Expanders

TCA9555PWR Compliance

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

TCA9555PWR Estimated Pricing

Qty Low High
1+ $1.15 $1.15

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

TCA9555PWR Features

  • 16-bit I/O expander with I2C/SMBus interface.
  • Wide operating voltage from 1.65V to 5.5V.
  • Supports 400 kHz clock frequency.
  • Surface mount 24-TSSOP package.
  • Push-pull output type with interrupt.

TCA9555PWR Applications

  • Extends microcontroller I/O capabilities.
  • Suitable for embedded system designs.
  • Used in various interface applications.
  • Compact solution for I/O expansion.

TCA9555PWR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TCA9555PWR?

The operating voltage range for the TCA9555PWR is 1.65V to 5.5V.

What is the operating temperature of the TCA9555PWR?

The TCA9555PWR operates in a temperature range of -40°C to 85°C.

What interface protocols does the TCA9555PWR support?

The TCA9555PWR supports I2C and SMBus interface protocols.

How many I/O pins does the TCA9555PWR have?

The TCA9555PWR has 16 I/O pins.

What is the package type for the TCA9555PWR?

The TCA9555PWR is supplied in a 24-TSSOP package.

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