Overview
The PCA9542APW,112 is a 1-of-2 bidirectional translating multiplexer produced by NXP USA Inc. This component is controlled via the I²C-bus and is designed to fan out the SCL/SDA upstream pair to two SCx/SDx downstream pairs. It is part of NXP's extensive range of I²C interface devices, offering flexibility and reliability in various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Interface | I²C, SMBus |
| I²C Bus Frequency | 400 kHz |
| Supply Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40°C to 85°C |
| Package Type | 14-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
Key Features
- Bidirectional translating multiplexer with 1-of-2 configuration.
- Controlled via the I²C-bus with a maximum frequency of 400 kHz.
- Supports SMBus and I²C protocols.
- Low standby current.
- Operating voltage range from 2.3 V to 5.5 V.
- Wide operating temperature range from -40°C to 85°C.
Applications
- Automotive systems for multiplexing I²C signals.
- Industrial control systems requiring multiple I²C interfaces.
- Consumer electronics such as TVs, set-top boxes, and gaming consoles.
- Medical devices needing reliable I²C signal multiplexing.
- Embedded systems and IoT devices.
Q & A
- What is the PCA9542APW,112 used for?
The PCA9542APW,112 is used as a 1-of-2 bidirectional translating multiplexer controlled via the I²C-bus, allowing the fan-out of the SCL/SDA upstream pair to two SCx/SDx downstream pairs.
- What is the maximum I²C bus frequency supported by the PCA9542APW,112?
The maximum I²C bus frequency supported is 400 kHz.
- What is the operating voltage range of the PCA9542APW,112?
The operating voltage range is from 2.3 V to 5.5 V.
- What is the operating temperature range of the PCA9542APW,112?
The operating temperature range is from -40°C to 85°C.
- What type of package does the PCA9542APW,112 come in?
The PCA9542APW,112 comes in a 14-TSSOP package.
- Is the PCA9542APW,112 suitable for automotive applications?
Yes, it is suitable for automotive systems due to its robust operating temperature range and reliability.
- Does the PCA9542APW,112 support SMBus protocol?
Yes, it supports both I²C and SMBus protocols.
- What is the mounting type of the PCA9542APW,112?
The mounting type is surface mount.
- Can the PCA9542APW,112 be used in industrial control systems?
Yes, it can be used in industrial control systems requiring multiple I²C interfaces.
- Is the PCA9542APW,112 suitable for consumer electronics?
Yes, it is suitable for consumer electronics such as TVs, set-top boxes, and gaming consoles.
