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PCA9545APW The NXP Semiconductors PCA9545APW is a 4-channel I2C switch IC with interrupt and reset functions, housed in a TSSOP-20 package. It offers RoHS3 compliance.
Mfr Part #:

PCA9545APW

Available from 6 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9545APW is a 4-channel I2C switch IC with interrupt and reset functions, housed in a TSSOP-20 package. It offers RoHS3 compliance.
✓ Total Stock: 8,150 pcs
$ Price Range: $1.16

PCA9545APW Available from 6 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.

PCA9545APW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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PCA9545APW Description

Short technical summary and product information.

The NXP Semiconductors PCA9545APW is a versatile 4-channel I2C switch IC designed for multiplexing I2C buses. It features interrupt and reset capabilities, simplifying system design and control.

 

This component is manufactured by NXP Semiconductors and comes in a TSSOP-20 package, suitable for surface mounting. The device is specified as RoHS3 Compliant and has a Moisture Sensitivity Level (MSL) of 1, indicating it is suitable for general industrial applications.

 

As a multiplexer switch IC, the PCA9545APW allows a microcontroller to communicate with multiple I2C slave devices that share the same address or to isolate different I2C segments. This is crucial in complex embedded systems where managing numerous peripherals is necessary.

 

Key specifications include its role as a Multiplexer Switch IC and its description as a 4-CH I2C SWITCH W/INT+RESET. The TSSOP-20 package ensures a compact footprint on printed circuit boards.

PCA9545APW Quick Information

Product Type: Multiplexer Switch IC
Canonical Name: PCA9545APW Multiplexer Switch IC
Subcategory: Multiplexer Switch ICs

PCA9545APW Compliance

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

PCA9545APW Estimated Pricing

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1+ $1.16 $1.16

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

PCA9545APW Features

  • 4-channel I2C switch with interrupt.
  • Includes reset functionality for control.
  • Packaged in a TSSOP-20.
  • RoHS3 compliant and MSL 1 rated.

PCA9545APW Applications

  • I2C bus multiplexing for multi-address systems
  • Enables communication with multiple I2C devices
  • Used in server and networking equipment
  • Suitable for industrial control applications
  • Ideal for sensor hub data routing

PCA9545APW FAQs

5 frequently asked questions generated from this part’s specifications.
What type of component is the PCA9545APW?

The PCA9545APW is a Multiplexer Switch IC.

What is the package type for the PCA9545APW?

The package type is TSSOP-20.

What is the RoHS status of the PCA9545APW?

The PCA9545APW is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the PCA9545APW?

The MSL is 1 Unlimited.

What is the REACH status for the PCA9545APW?

The REACH status is Unaffected.

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