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PCA9543BPW,118 The PCA9543BPW,118 is a 2-channel I²C multiplexer IC designed for interface switching. It features a 14-TSSOP package and supports SMBus standards.
Mfr Part #:

PCA9543BPW,118

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9543BPW,118 is a 2-channel I²C multiplexer IC designed for interface switching. It features a 14-TSSOP package and supports SMBus standards.
✓ Total Stock: 100 pcs
$ Price Range: $6.39

PCA9543BPW,118 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Braun Electronic Components ✓
Non-Authorised Inventory information
100 pcs
On Request
100 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.

PCA9543BPW,118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Clock Frequency
Interface
Interrupt Output
Lead Spacing
Mounting Type
Supplier Device Package
Supplier Package
Voltage
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PCA9543BPW,118 Description

Short technical summary and product information.

The PCA9543BPW,118 is an integrated circuit manufactured by NXP Semiconductors. It functions as a 2-channel I²C multiplexer, allowing multiple I2C devices to share the same bus. The device supports I2C and SMBus interface logic, with voltage level translation capabilities for 1.8 V, 2.5 V, 3.3 V, and 5 V buses. It features low on-resistance switches, active LOW interrupt inputs, and an active LOW interrupt output. The IC is packaged in a 14-TSSOP surface-mount package, suitable for compact electronic designs. It supports hot insertion, has a low standby current, and operates within a voltage range of 2.3 V to 5.5 V. The device is compliant with RoHS standards and has a MSL level of 1, indicating unlimited reflow capability.

PCA9543BPW,118 Quick Information

Product Type: I2C Switch
Canonical Name: PCA9543BPW,118 2-Channel I2C Bus Switch with Interrupt Logic and Reset
Subcategory: Specialized Interface

PCA9543BPW,118 Compliance

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

PCA9543BPW,118 Estimated Pricing

Qty Low High
1+ $6.39 $6.39

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

PCA9543BPW,118 Features

  • Bidirectional 1-of-2 translating switch controlled by I2C.
  • Supports voltage level translation between 1.8 V and 5 V buses.
  • Includes active LOW interrupt inputs and output.
  • Power-up state deselects all switch channels.
  • Supports hot insertion and low standby current.

PCA9543BPW,118 Applications

  • Used in I2C bus multiplexing systems
  • Suitable for voltage translation in mixed-voltage environments
  • Ideal for multi-device I2C applications
  • Supports hot insertion in embedded systems

PCA9543BPW,118 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the package type of the PCA9543BPW,118?

The package type is 14-TSSOP.

What is the operating voltage range for the PCA9543BPW,118?

It operates within 2.3 V to 5.5 V.

Does the PCA9543BPW,118 support hot insertion?

Yes, it supports hot insertion.

Is the PCA9543BPW,118 RoHS compliant?

It is RoHS3 compliant, but this status is unverified.

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