PCA9548APW,118

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PCA9548APW,118

IC Translating Switch IC, SMBus

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Spezifikationen

Part Status Active
Packaging Tape & Reel (TR)

Übersicht

Description

The PCA9548APW is an 8-channel I2C multiplexer designed to expand the number of I2C devices that can be connected to a single I2C bus. It allows multiple I2C buses to be controlled by a single master controller, thereby enabling communication with multiple devices that may share the same address.
Key features include:
- I2C Compatibility: Supports standard I2C bus communication.
- Channel Selection: Allows individual or multiple channels to be enabled using a 3-bit address.
- Low Power Consumption: Designed for low power operation.
- Integration: Available in a compact package (TSSOP), facilitating easy integration into various electronic designs.
The device is particularly useful in applications where multiple sensors or peripherals need to be connected to a microcontroller without address conflicts, such as in robotics, IoT devices, and embedded systems.
When implementing the PCA9548APW, careful attention should be given to the I2C timing requirements and pull-up resistor values to ensure reliable communication.

Features

The PCA9548APW,118 is an I2C bus multiplexer that allows for the connection of multiple I2C devices to a single master device. Key features include:
1. Channels: It has 8 selectable channels, allowing connection of up to 8 different I2C devices.
2. Bus Speed: Supports standard (100 kHz) and fast (400 kHz) I2C bus speeds.
3. Addressing: The device has a configurable I2C address, allowing multiple multiplexers to coexist on the same bus.
4. Voltage Range: Operates within a supply voltage range of 2.3V to 5.5V.
5. Low Power Consumption: Designed for low power operation, making it suitable for battery-operated devices.
6. Active Low Control Inputs: Channels are selected using active low control signals.
7. Enhanced Functionality: Features such as bus fault isolation help in system reliability.
8. Package Type: Offered in a TSSOP package, which aids in compact designs.
These features make the PCA9548APW,118 a versatile solution for managing multiple I2C devices in various applications.

Package

The PCA9548APW,118 is packaged in a TSSOP (Thin Shrink Small Outline Package) with 48 pins.

Pinout

The PCA9548APW,118 is an I2C multiplexer with a total of 8 pins, specifically designed to allow multiple I2C buses to connect to a single master device. This device facilitates communication with multiple I2C devices while preventing address conflicts.
### Pin Count and Functions:
1. VDD (Pin 1): Power supply input (typically +2.3V to +5.5V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): I2C data line.
4. SCL (Pin 4): I2C clock line.
5. A0 (Pin 5): Address selection pin 0.
6. A1 (Pin 6): Address selection pin 1.
7. A2 (Pin 7): Address selection pin 2.
8. EN (Pin 8): Enable pin to activate or deactivate the multiplexer.
The pins A0, A1, and A2 allow for configuration of multiple devices by setting the address of the multiplexer in the I2C communication.

Manufacturer

The PCA9548APW,118 is manufactured by NXP Semiconductors. NXP is a global semiconductor company that specializes in embedded solutions, including microcontrollers, processors, and various analog and digital components. The company is known for its focus on automotive, industrial, and Internet of Things (IoT) applications. NXP was formed from the spinoff of Philips Semiconductors and has since become a key player in the semiconductor industry, providing innovative technologies and products for a wide range of markets.

Application

The PCA9548APW,118 is an I2C multiplexer used in applications requiring multiple I2C buses to connect various devices. It is ideal for expanding I2C communication in systems such as sensors, displays, and embedded controllers. Common application areas include automotive electronics, industrial automation, consumer electronics, and communication devices, facilitating efficient data management and reduced signal interference in complex I2C networks.

Equivalent

The PCA9548APW,118 is an I2C multiplexer. Equivalent products include:
1. TCA9548A
2. PCA9548A
3. MAX14661
These alternatives may vary in features such as the number of channels or voltage levels, so always verify compatibility for your specific application.

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