Overview
The PCA9558PW,112 is a 16-bit I2C-bus and SMBus I/O expander produced by NXP USA Inc. This component is designed to provide additional I/O ports to a microcontroller or other I2C-bus/SMBus master device. It is particularly useful in applications where more I/O ports are needed than what the microcontroller can provide.
The PCA9558PW,112 is part of NXP's family of I/O expanders, known for their reliability and compliance with various environmental and safety standards.
Key Specifications
| Specification | Value |
|---|---|
| Package | 28-TSSOP (0.173, 4.40mm Width) |
| Interface | I2C, SMBus |
| RoHS Status | ROHS3 Compliant |
| Pin Count | 28 |
| Peak Reflow Temperature | 260°C |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- I2C-bus and SMBus Compatibility: The PCA9558PW,112 supports both I2C-bus and SMBus protocols, making it versatile for various applications.
- 16-bit I/O Expander: Provides 16 additional I/O ports, which can be configured as inputs or outputs.
- Low Power Consumption: Designed to operate with low power consumption, making it suitable for battery-powered devices.
- High-Speed I2C-bus: Supports fast-mode I2C-bus speeds up to 400 kHz.
- RoHS Compliance: Compliant with the Restriction of Certain Hazardous Substances (RoHS) directive, ensuring environmental sustainability.
Applications
- Industrial Automation: Used in industrial control systems to expand the I/O capabilities of microcontrollers.
- Consumer Electronics: Found in various consumer devices such as TVs, set-top boxes, and gaming consoles.
- Automotive Systems: Utilized in automotive systems for expanding I/O ports in control units and other electronic modules.
- Medical Devices: Used in medical equipment to provide additional I/O ports for sensors and other peripherals.
Q & A
- What is the PCA9558PW,112 used for?
The PCA9558PW,112 is used as a 16-bit I2C-bus and SMBus I/O expander to provide additional I/O ports to a microcontroller or other I2C-bus/SMBus master device.
- What is the package type of the PCA9558PW,112?
The PCA9558PW,112 comes in a 28-TSSOP (0.173, 4.40mm Width) package.
- Is the PCA9558PW,112 RoHS compliant?
Yes, the PCA9558PW,112 is ROHS3 compliant.
- What is the peak reflow temperature for the PCA9558PW,112?
The peak reflow temperature for the PCA9558PW,112 is 260°C.
- What is the moisture sensitivity level (MSL) of the PCA9558PW,112?
The moisture sensitivity level (MSL) of the PCA9558PW,112 is 1 (Unlimited).
- What are the supported communication protocols?
The PCA9558PW,112 supports both I2C-bus and SMBus protocols.
- How many I/O ports does the PCA9558PW,112 provide?
The PCA9558PW,112 provides 16 additional I/O ports.
- What are some common applications of the PCA9558PW,112?
Common applications include industrial automation, consumer electronics, automotive systems, and medical devices.
- Is the PCA9558PW,112 suitable for battery-powered devices?
Yes, the PCA9558PW,112 is designed to operate with low power consumption, making it suitable for battery-powered devices.
- What is the maximum I2C-bus speed supported by the PCA9558PW,112?
The PCA9558PW,112 supports fast-mode I2C-bus speeds up to 400 kHz.
