PCA9543AD,118 The NXP Semiconductors PCA9543AD,118 is a 2-channel I2C multiplexer. It operates from 2.3V to 5.5V and features an I2C/SMBus interface.
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PCA9543AD,118

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The NXP Semiconductors PCA9543AD,118 is a 2-channel I2C multiplexer. It operates from 2.3V to 5.5V and features an I2C/SMBus interface.
✓ Total Stock: 714 pcs
$ Price Range: $6.39

PCA9543AD,118 Available from 1 distributor

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PCA9543AD,118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bandwidth
Clock Frequency
ESD Protection
Interface
Lead Spacing
Mounting Style
Mounting Type
Number of Channels
Operating Voltage
Supplier Device Package
Voltage

PCA9543AD,118 Description

Short technical summary and product information.

The PCA9543AD,118 from NXP Semiconductors is a bidirectional translating switch designed for I2C-bus applications. This specialized IC functions as a 1-of-2 switch, allowing the upstream I2C bus to fan out to two downstream pairs or channels. It is compatible with SMBus standards and offers features such as active LOW interrupt inputs and an active LOW reset input for robust operation.

 

Key electrical specifications include an operating voltage range of 2.3V to 5.5V, an I2C/SMBus interface, and a maximum clock frequency of 400 kHz. The switch has an on-resistance of 30 Ohms and low propagation delay times. It supports voltage level translation between different bus voltages, enabling communication between 1.8V, 2.5V, 3.3V, and 5V parts without additional protection.

 

Packaged in a 14-SOIC (Surface Mount) format, the PCA9543AD,118 is suitable for various embedded systems. It supports hot insertion and has a low standby current. The device also includes ESD protection exceeding 2000V HBM and 1000V CDM, along with latch-up testing to JEDEC standards.

PCA9543AD,118 Quick Information

Product Type: Specialized IC
Canonical Name: PCA9543AD,118 2-Channel I2C Multiplexer
Subcategory: Specialized

PCA9543AD,118 Compliance

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

PCA9543AD,118 Estimated Pricing

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1+ $6.39 $6.39

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

PCA9543AD,118 Features

  • 1-of-2 bidirectional translating switches.
  • I2C-bus and SMBus compatible interface.
  • Supports voltage level translation between buses.
  • Active LOW interrupt and reset inputs.
  • 14-SOIC surface mount package.

PCA9543AD,118 Applications

  • Enables flexible I2C bus routing.
  • Facilitates communication between different voltage domains.
  • Useful in systems requiring multiple I2C devices.
  • Supports interrupt-driven event handling.

PCA9543AD,118 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the PCA9543AD,118?

The PCA9543AD,118 operates from 2.3V to 5.5V.

What package type is the PCA9543AD,118 available in?

The PCA9543AD,118 is available in a 14-SOIC package.

What is the maximum operating temperature for this IC?

The maximum operating temperature is 85 degrees C.

Is the PCA9543AD,118 RoHS compliant?

The PCA9543AD,118 is RoHS3 compliant.

What is the Moisture Sensitivity Level (MSL) for the PCA9543AD,118?

The Moisture Sensitivity Level is 1.

How many channels does the PCA9543AD,118 switch support?

The PCA9543AD,118 supports 2 channels.

What interface protocols are supported by the PCA9543AD,118?

The PCA9543AD,118 supports I2C and SMBus protocols.

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