Overview
The PCA9557BSHP, produced by NXP USA Inc., is a silicon CMOS circuit designed to provide parallel input/output expansion for SMBus and I²C-bus applications. This component is part of the PCA9557 family, which offers versatile I/O expansion capabilities. The PCA9557BSHP is particularly suited for systems requiring additional I/O ports while maintaining compatibility with both SMBus and I²C-bus protocols.
Key Specifications
| Parameter | Value |
|---|---|
| Number of I/O Ports | 8-bit |
| Interface | SMBus and I²C-bus |
| Package Type | 16-VQFN Exposed Pad |
| Operating Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Reset Feature | Yes, with active LOW reset input |
| RoHS Compliance | Yes, Lead free / RoHS compliant |
Key Features
- 8-bit parallel input/output expansion for SMBus and I²C-bus applications.
- Active LOW reset input for easy system reset.
- Compatible with SMBus and I²C-bus protocols.
- Operating voltage range from 2.3 V to 5.5 V.
- Wide operating temperature range from -40°C to +85°C.
- Available in 16-VQFN Exposed Pad package.
Applications
- Industrial automation systems requiring additional I/O ports.
- Consumer electronics needing I²C-bus or SMBus compatible I/O expansion.
- Automotive systems where robust and reliable I/O expansion is necessary.
- Medical devices that require precise and reliable I/O control.
- Any system needing to expand the number of available I/O ports while maintaining compatibility with SMBus and I²C-bus protocols.
Q & A
- What is the PCA9557BSHP used for? The PCA9557BSHP is used for parallel input/output expansion in SMBus and I²C-bus applications.
- How many I/O ports does the PCA9557BSHP have? The PCA9557BSHP has an 8-bit I/O port.
- What are the supported interfaces? The PCA9557BSHP supports both SMBus and I²C-bus interfaces.
- What is the package type of the PCA9557BSHP? The PCA9557BSHP is available in a 16-VQFN Exposed Pad package.
- What is the operating voltage range of the PCA9557BSHP? The operating voltage range is from 2.3 V to 5.5 V.
- Does the PCA9557BSHP have a reset feature? Yes, it has an active LOW reset input.
- Is the PCA9557BSHP RoHS compliant? Yes, it is Lead free / RoHS compliant.
- What is the operating temperature range of the PCA9557BSHP? The operating temperature range is from -40°C to +85°C.
- In which applications is the PCA9557BSHP commonly used? It is commonly used in industrial automation, consumer electronics, automotive systems, and medical devices.
- Where can I find design files and footprints for the PCA9557BSHP? Design files and footprints can be found on the NXP Semiconductors website.
