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PCA9546APWRG4 - Texas Instruments

Description: Switch ICs - Various 4-Ch I2C And SMBus Multiplexer

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PCA9546APWRG4 - Texas Instruments - PCB symbol
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PCB Footprints
PCA9546APWRG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A 2021
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3D Models
PCA9546APWRG4 - Texas Instruments - 3D model - Small Outline Packages - PW0016A 2021
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PCA9546APWRG4 Details

  • Manufacturer Part Number:

    PCA9546APWRG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SINGLE-ENDED MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • On-state Resistance-Max (Ron):

    45 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    0.012 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.3 V

  • Supply Voltage-Nom (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    1 ns

  • Switch-on Time-Max:

    1 ns

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

PCA9546APWRG4 Frequently Asked Questions (FAQs)

  • The PCA9546APWRG4 can support I2C bus frequencies up to 400 kHz, but it's recommended to limit the frequency to 100 kHz for reliable operation.
  • Yes, the PCA9546APWRG4 can be used as a level shifter between 3.3V and 5V I2C buses, but it's essential to ensure that the voltage levels on the input and output sides are within the recommended operating conditions.
  • To configure the PCA9546APWRG4 for a multi-master I2C bus environment, you need to connect the INT pin to the interrupt input of the microcontroller, and use the I2C bus arbitration mechanism to handle bus contention.
  • The PCA9546APWRG4 is a 4-channel I2C bus switch, which means it can connect up to 4 I2C buses or devices. However, the total number of devices that can be connected depends on the I2C bus capacitance and the device's current consumption.
  • Yes, the PCA9546APWRG4 provides electrical isolation between the input and output I2C buses, which allows it to isolate I2C buses with different voltage levels. However, it's essential to ensure that the voltage levels on the input and output sides are within the recommended operating conditions.

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PCA9546APWRG4 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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