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PCA9545APW,118 - NXP

Description: 4-channel I2C-bus switch with interrupt logic and reset

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PCA9545APW,118 - NXP PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
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PCA9545APW,118 - NXP  - 3D model - Small Outline Packages - TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for PCA9545APW,118
  • Part Number PCA9545APW,118
  • Manufacturer NXP
  • Pin Count 20
  • Part Category Integrated Circuit
  • Package Category Small Outline Packages
  • Footprint Name Small Outline Packages - TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
  • Released Date Jan 12, 2017
  • Last Modified Date Nov 15, 2024 1:35 PM UTC
  • Pinout / Pin List Click Here (Member Only)

PCA9545APW,118 Details

  • Manufacturer Part Number:

    PCA9545APW,118

  • Brand Name:

    NXP Semiconductor

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP2

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    SOT360-1

  • Country Of Origin:

    Thailand

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    11 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    7

  • Analog IC - Other Type:

    DIFFERENTIAL MULTIPLEXER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • On-state Resistance-Max (Ron):

    55 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    COMMON OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Signal Current-Max:

    0.025 A

  • Supply Current-Max (Isup):

    0.03 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:

    0.3 ns

  • Switch-on Time-Max:

    0.3 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

PCA9545APW,118 Frequently Asked Questions (FAQs)

  • The PCA9545APW,118 can support I2C bus frequencies up to 400 kHz, but it's recommended to limit it to 100 kHz for reliable operation.
  • Yes, the PCA9545APW,118 can switch between multiple I2C buses with different voltage levels, but ensure that the voltage levels are within the recommended operating range of 1.65 V to 5.5 V.
  • To ensure correct switching, ensure that the control signals (SCL and SDA) are properly terminated, and the bus capacitance is minimized. Also, use a pull-up resistor on the SCL and SDA lines to ensure proper signal levels.
  • The maximum number of I2C devices that can be connected to each bus of the PCA9545APW,118 depends on the bus capacitance and the device's current consumption. As a general rule, limit the number of devices to 10-15 per bus to ensure reliable operation.
  • Yes, the PCA9545APW,118 can switch between I2C buses with different clock frequencies, but ensure that the clock frequency of the bus being switched to is within the recommended operating range of the device.

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PCA9545APW,118 Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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