Overview
The PCA9542APW/DG118, produced by NXP USA Inc., is a 1-of-2 bidirectional translating multiplexer controlled via the I²C-bus. This component is designed to fan out the SCL/SDA upstream pair to two downstream SCx/SDx pairs, enabling the connection of multiple I²C devices to a single I²C bus.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Interface Type | I²C |
| Package Type | TSSOP14 |
| Operating Temperature Range | -40°C to +85°C |
| Supply Voltage Range | 2.3V to 3.6V |
| Low Standby Current | < 1 μA |
Key Features
- Bidirectional translating multiplexer
- Controlled via I²C-bus
- Fans out SCL/SDA upstream pair to two downstream SCx/SDx pairs
- Low standby current (< 1 μA)
- Operating temperature range: -40°C to +85°C
- Supply voltage range: 2.3V to 3.6V
Applications
- Connecting multiple I²C devices to a single I²C bus
- Embedded systems requiring I²C bus expansion
- Industrial control systems
- Automotive systems
- Consumer electronics
Q & A
- What is the PCA9542APW/DG118 used for? The PCA9542APW/DG118 is used as a 1-of-2 bidirectional translating multiplexer to connect multiple I²C devices to a single I²C bus.
- What is the interface type of the PCA9542APW/DG118? The interface type is I²C.
- What is the package type of the PCA9542APW/DG118? The package type is TSSOP14.
- What is the operating temperature range of the PCA9542APW/DG118? The operating temperature range is -40°C to +85°C.
- What is the supply voltage range of the PCA9542APW/DG118? The supply voltage range is 2.3V to 3.6V.
- How many channels does the PCA9542APW/DG118 have? The PCA9542APW/DG118 has 2 channels.
- What is the standby current of the PCA9542APW/DG118? The standby current is less than 1 μA.
- Where can the PCA9542APW/DG118 be used? It can be used in embedded systems, industrial control systems, automotive systems, and consumer electronics.
- How does the PCA9542APW/DG118 manage I²C bus connections? It fans out the SCL/SDA upstream pair to two downstream SCx/SDx pairs.
- Is the PCA9542APW/DG118 suitable for low-power applications? Yes, it is suitable due to its low standby current.
