What is PCA9546APWT?
PCA9546APWT is a Interface - Specialized component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
Supply original PCA9546APWT, Interface - Specialized, by Texas Instruments
IC SWITCH 4CH I2C/SMBUS 16TSSOP
RoHS
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Key specifications
Serise
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Categroy
Interface - SpecializedDescription
IC SWITCH 4CH I2C/SMBUS 16TSSOP
key Attributes
-
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ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Authenticity Verification
CoC Available on Request
Pre-Shipment Inspection
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Product overview
Overview
General description
The PCA9546A is a quad bi-directional translating switch controlled via the I2C-bus.
The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register.
Features
•1-of-4 bi-directional translating switches
•I2C-bus interface logic; compatible with SMBus standards
•Active LOW reset input
•3 address pins allowing up to 8 devices on the I2C-bus
•Channel selection via I2C-bus, in any combination
•Power-up with all switch channels deselected
•Low Ronswitches
•Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and 5 V buses
•No glitch on power-up
•Supports hot insertion
•Low stand-by current
•Operating power supply voltage range of 2.3 V to 5.5 V
•5 V tolerant Inputs
•0 kHz to 400 kHz clock frequency
•ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
•Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
•Three packages offered: SO16, TSSOP16, and HVQFN16
The PCA9546A is a quad bi-directional translating switch controlled via the I2C-bus.
The SCL/SDA upstream pair fans out to four downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register.
Features
•1-of-4 bi-directional translating switches
•I2C-bus interface logic; compatible with SMBus standards
•Active LOW reset input
•3 address pins allowing up to 8 devices on the I2C-bus
•Channel selection via I2C-bus, in any combination
•Power-up with all switch channels deselected
•Low Ronswitches
•Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and 5 V buses
•No glitch on power-up
•Supports hot insertion
•Low stand-by current
•Operating power supply voltage range of 2.3 V to 5.5 V
•5 V tolerant Inputs
•0 kHz to 400 kHz clock frequency
•ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101
•Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
•Three packages offered: SO16, TSSOP16, and HVQFN16
Full technical breakdown
Detailed Specifications
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Popular Specs Surfaced First
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
REACH SVHC
No SVHC
Export Classifications & Environmental
JESD-609 Code
e4
Export Classifications & Environmental
HTSUS
8542.39.0001
Export Classifications & Environmental
ECCN Code
EAR99
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
JESD-609 Code
e4
HTSUS
8542.39.0001
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Logic Function
Multiplexer
Drain To Source Resistance
9Ohm
Supply Voltage-Max (Vsup)
5.5V
Number Of Inputs
4
Supply Voltage-Min (Vsup)
2.3V
Voltage - Supply
2.3V~5.5V
Propagation Delay
1 ns
Max Frequency
400kHz
Part Status
Active
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Lifecycle Status
ACTIVE (Last Updated: 3 days ago)
Mounting Type
Surface Mount
Min Operating Temperature
-40°C
Factory Lead Time
6 Weeks
Packaging
Tape & Reel (TR)
Termination
SMD/SMT
Max Operating Temperature
85°C
Categories
Integrated Circuits (ICs)
Terminal Position
DUAL
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Interface
I2C, SMBus
Manufacturer
Texas
Package / Case
16-TSSOP (0.173, 4.40mm Width)
Width
4.4mm
Weight
61.887009mg
Temperature Grade
INDUSTRIAL
Packing Method
TR
Max Power Dissipation
400mW
Bandwidth
400 kHz
Output Polarity
TRUE
Surface Mount
YES
Radiation Hardening
No
Number Of Terminations
16
Supply Voltage
2.5V
Pin Count
16
Number Of Pins
16
Pbfree Code
yes
Number Of Functions
2
Length
5mm
Number Of Outputs
1
Thickness
1mm
Height
1.2mm
Nominal Supply Current
3μA
Operating Supply Current
3μA
Load Capacitance
50pF
Power Dissipation
400mW
Resistance
45Ohm
Sub-Categories
Interface - Specialized
Applications
Translating Switch
Manufacturer'S Part No.
PCA9546APWT
Base Part Number
CA9546
Common questions
Product FAQ
Quick answers for buyers reviewing PCA9546APWT, stock, documentation, and sourcing steps.
What package and description are listed for PCA9546APWT?
PCA9546APWT is listed with package reference TSSOP. The current product description is IC SWITCH 4CH I2C/SMBUS 16TSSOP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is PCA9546APWT available in stock?
This page currently shows 60413 units in stock and 60413 units available for PCA9546APWT. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for PCA9546APWT?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for PCA9546APWT by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for PCA9546APWT?
A dedicated datasheet link is not currently listed for PCA9546APWT by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify PCA9546APWT before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for PCA9546APWT before approving the order.
Interface - Specialized
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