PCA9547D,112
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NXP USA Inc. PCA9547D,112

Manufacturer No:
PCA9547D,112
Manufacturer:
NXP USA Inc.
Package:
Tube
Description:
IC INTERFACE SPECIALIZED 24SO
Delivery:
Payment:
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Product Introduction

Overview

The PCA9547D,112, produced by NXP USA Inc., is an 8-channel I2C-bus multiplexer designed to manage multiple I2C-bus devices in a system. This component allows a single I2C-bus master to communicate with up to eight downstream I2C-bus devices, each connected to a separate channel. The PCA9547 is particularly useful in applications where multiple devices share the same I2C-bus address or where the system requires the ability to isolate and communicate with individual devices independently.

Key Specifications

ParameterValue
Number of Channels8
InterfaceI2C-bus, SMBus compatible
Supply Voltage Range2.3 V to 5.5 V
Clock Frequency Range0 Hz to 400 kHz
Address Pins3 (allowing up to 8 devices on the I2C-bus)
Reset InputActive LOW
Package OptionsSO24, TSSOP24, HVQFN24
Voltage Level TranslationBetween 1.8 V, 2.5 V, 3.3 V, and 5 V buses
ESD ProtectionExceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101

Key Features

  • 1-of-8 bidirectional translating multiplexer
  • I2C-bus interface logic; compatible with SMBus standards
  • Active LOW RESET input to recover from bus fault conditions
  • Channel selection via I2C-bus, one channel at a time
  • Power-up with all channels deselected except Channel 0 which is connected
  • Low Ron multiplexers for minimal voltage drop
  • Allows voltage level translation between different bus voltages
  • No glitch on power-up
  • Supports hot insertion
  • Low standby current
  • 5 V tolerant inputs

Applications

The PCA9547D,112 is suitable for various applications where multiple I2C-bus devices need to be managed efficiently. These include:

  • Industrial automation systems
  • Automotive systems requiring multiple sensor and actuator control
  • Consumer electronics with multiple I2C-bus peripherals
  • Medical devices with multiple sensors and actuators
  • Any system requiring the isolation and independent control of multiple I2C-bus devices

Q & A

  1. What is the PCA9547D,112 used for?
    The PCA9547D,112 is used as an 8-channel I2C-bus multiplexer to manage multiple I2C-bus devices in a system.
  2. How many channels does the PCA9547D,112 support?
    The PCA9547D,112 supports 8 channels.
  3. What is the supply voltage range for the PCA9547D,112?
    The supply voltage range is from 2.3 V to 5.5 V.
  4. Is the PCA9547D,112 compatible with SMBus standards?
    Yes, it is compatible with SMBus standards.
  5. How is channel selection done on the PCA9547D,112?
    Channel selection is done via the I2C-bus, with one channel selected at a time.
  6. What is the purpose of the RESET input on the PCA9547D,112?
    The RESET input is used to recover from bus fault conditions by resetting the I2C-bus state machine.
  7. Does the PCA9547D,112 support voltage level translation?
    Yes, it supports voltage level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses.
  8. What are the package options available for the PCA9547D,112?
    The package options include SO24, TSSOP24, and HVQFN24.
  9. Is the PCA9547D,112 tolerant to 5 V inputs?
    Yes, it is 5 V tolerant.
  10. What is the clock frequency range supported by the PCA9547D,112?
    The clock frequency range is from 0 Hz to 400 kHz.

Product Attributes

Applications:Translating Multiplexer
Interface:I²C, SMBus
Voltage - Supply:2.3V ~ 3.6V, 4.5V ~ 5.5V
Package / Case:24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:24-SO
Mounting Type:Surface Mount
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Similar Products

Part Number PCA9547D,112 PCA9547D,118 PCA9549D,112
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc.
Product Status Obsolete Active Obsolete
Applications Translating Multiplexer Translating Multiplexer Translating Switch
Interface I²C, SMBus I²C, SMBus I²C, SMBus
Voltage - Supply 2.3V ~ 3.6V, 4.5V ~ 5.5V 2.3V ~ 3.6V, 4.5V ~ 5.5V 2.3V ~ 3.6V, 4.5V ~ 5.5V
Package / Case 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width) 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SO 24-SO 24-SO
Mounting Type Surface Mount Surface Mount Surface Mount

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