PCA9548ADBR

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PCA9548ADBR

IC INTERFACE SPECIALIZED 24SSOP

  • Manufacturer
  • Mfr. Part #PCA9548ADBR
  • Package SSOP (DB)-24
  • Datasheet
  • In Stock2338

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Specifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Applications Translating Switch
Interface I²C, SMBus
Voltage-Supply 2.3V ~ 5.5V
Package/Case 24-SSOP (0.209, 5.30mm Width)
SupplierDevicePackage 24-SSOP

Overview

Description

The PCA9548ADBR is an 8-channel I2C multiplexer designed to interface multiple I2C buses. It allows a single I2C master to communicate with multiple I2C devices, preventing address conflicts and enabling the connection of devices with the same address. The multiplexer can select one of the eight channels at a time, effectively isolating the selected device from the others.
Key features include support for fast-mode I2C communications, low power consumption, and a wide supply voltage range (2.3V to 5.5V). The PCA9548ADBR operates by receiving control signals from the master to switch between channels, allowing for efficient bus management in complex systems. It is commonly used in applications such as sensor networks, industrial automation, and embedded systems where multiple I2C devices need to be managed. The device is offered in a compact SOIC-8 package, making it suitable for space-constrained applications.

Features

The PCA9548ADBR is an I2C bus multiplexer featuring eight channels, enabling the connection of multiple I2C devices to a single bus while preventing address conflicts. Key features include:
1. I2C Interface: Supports standard I2C communication speeds up to 1 MHz.
2. Channel Selection: Allows individual or group selection of channels for flexibility in device management.
3. Multiple Configurations: Supports multiple multiplexers to expand the I2C bus further.
4. Low Power Consumption: Optimized for low power operation, ideal for battery-powered applications.
5. Wide Voltage Range: Operates within a supply voltage range of 2.3V to 5.5V, accommodating various system voltages.
6. Small Package Size: Available in a compact TSSOP package, saving PCB space.
7. Interrupt Capability: Provides an interrupt pin for signaling when devices are ready or in use.
These features make the PCA9548ADBR suitable for applications requiring multiple I2C devices, such as sensors, displays, and communication modules in embedded systems.

Package

The PCA9548ADBR is available in a 28-pin TSSOP (Thin Shrink Small Outline Package) type.

Pinout

The PCA9548ADBR is an I²C multiplexer with a pin count of 20. Its primary function is to allow I²C devices with the same address to communicate on a shared bus by selecting one of up to eight downstream I²C channels. This enables the user to expand the number of I²C devices that can be connected to a microcontroller or microprocessor.
Key pin functions include:
- VDD (Pin 1): Power supply input.
- GND (Pin 10): Ground reference.
- SDA (Pin 2): Serial data line.
- SCL (Pin 3): Serial clock line.
- A0-A2 (Pins 4-6): Address selection for I²C communication.
- EN (Pin 7): Enable pin for activating the multiplexer.
- P0-P7 (Pins 8-9, 11-17): Connect to the I²C devices and serve as the output channels.
The device supports 1.8V to 5.5V operation and is ideal for applications requiring multiple I²C devices with overlapping addresses.

Manufacturer

The PCA9548ADBR is manufactured by NXP Semiconductors, a global semiconductor company. NXP specializes in high-performance mixed-signal electronics and is known for its products in automotive, identification, wireless infrastructure, and Internet of Things (IoT) applications. The PCA9548ADBR is an I2C multiplexer, allowing multiple I2C buses to be controlled by a single master, making it useful in various electronic designs that require flexibility in communication channels. NXP Semiconductors is a prominent player in the semiconductor industry, focusing on innovation and technology solutions for various sectors.

Application

The PCA9548ADBR is an I2C multiplexer that allows communication with multiple I2C devices over a single bus. Its application areas include:
1. Sensor Management: Connecting multiple sensors without address conflicts.
2. IoT Devices: Enabling connectivity in space-constrained systems.
3. Industrial Automation: Managing various control devices in a single system.
4. Consumer Electronics: Facilitating communication between peripherals like displays and controllers.
5. Embedded Systems: Expanding I2C device connections in microcontroller applications.

Equivalent

Equivalent products to the PCA9548ADBR I2C multiplexer include the TCA9548A, PCA9548A, and P82B715. These chips offer similar functionality in I2C bus multiplexing and address selection, but check specific features like voltage levels and pin configurations to ensure compatibility with your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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