NXP Semiconductors

PCA9535PW,118  

I/O Expanders

PCA9535PW,118 Description

The PCA9535PW,118 is a 16-bit I/O expander designed by NXP Semiconductors. It operates at a clock frequency of 400 kHz and is compliant with the I2C and SMBus interfaces. This device is active, meaning it is currently being manufactured and available for purchase. It is designed for surface mount applications and is packaged in a 24-pin TSSOP (Thin Shrink Small Outline Package). The PCA9535PW,118 can operate over a wide supply voltage range of 2.3V to 5.5V and is capable of sourcing or sinking 10mA or 25mA of current, respectively. It also features an interrupt output, which can be useful in various applications requiring immediate response to changes in the I/O lines.

PCA9535PW,118 Features

• 16-bit I/O Expander: Offers 16 individually programmable I/O lines, providing flexibility for various applications.
• 400 kHz Clock Frequency: Allows for fast communication with the microcontroller.
• I2C and SMBus Interfaces: Ensures compatibility with a wide range of systems and devices.
• Wide Voltage Range: Operates from 2.3V to 5.5V, making it suitable for low-power and standard voltage applications.
• Current Sourcing/Sinking: Capable of sourcing 10mA and sinking 25mA, providing robust I/O capabilities.
• Interrupt Output: Facilitates immediate response to changes in I/O lines.
• POR Feature: Provides power-on reset functionality, ensuring reliable startup.
• RoHS Compliance: Meets environmental standards for restricted substances.
• REACH Unaffected: Indicates that the product does not contain substances of very high concern as per the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation.

PCA9535PW,118 Applications

The PCA9535PW,118 is ideal for applications where additional I/O lines are required beyond what a microcontroller can provide. Some specific use cases include:

• Industrial Control Systems: For expanding input and output capabilities in automation and control applications.
• Sensor Interfaces: To interface with multiple sensors in applications such as environmental monitoring or industrial process control.
• Consumer Electronics: For adding additional buttons, switches, or indicators in devices like home appliances or gaming consoles.
• Automotive Applications: For expanding the number of switches and indicators in vehicle infotainment systems or other electronic control units.

Conclusion of PCA9535PW,118

The PCA9535PW,118 is a versatile I/O expander that offers a range of features and benefits, making it suitable for a wide array of applications. Its high clock frequency, wide voltage range, and robust current sourcing/sinking capabilities, combined with its interrupt output and power-on reset feature, make it a valuable component in systems requiring reliable and flexible I/O expansion. With its RoHS compliance and REACH unaffected status, it also meets important environmental standards, making it a responsible choice for manufacturers.

PCA9535PW,118 Documents

Download datasheets and manufacturer documentation for PCA9535PW,118