NXP Semiconductors

PCA9500PW,118  

I/O Expanders

PCA9500PW,118 Description

The PCA9500PW,118 from NXP Semiconductors is a high-performance I/O expander designed for I2C and SMBus communication, operating at a clock frequency of 400 kHz. This 16-pin TSSOP device is optimized for surface-mount applications and supports a 2.5V to 3.6V supply voltage, making it ideal for low-power embedded systems. With 8 configurable I/O pins, it provides flexible interfacing for peripheral control, featuring 100µA source and 25mA sink current capabilities. The PCA9500PW,118 includes EEPROM storage and Power-On Reset (POR) functionality, ensuring reliable initialization and configuration retention.

PCA9500PW,118 Features

• I2C/SMBus Interface: Ensures seamless integration with microcontrollers and other bus-compatible devices.
• 8 Programmable I/Os: Each pin can be independently configured as input or output.
• Low-Power Operation: Optimized for 2.5V–3.6V systems, ideal for battery-powered applications.
• High Current Sink (25mA): Supports direct LED driving without external buffers.
• EEPROM & POR: Retains settings during power cycles and ensures stable startup.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• Tape & Reel Packaging: Suitable for automated assembly processes.

PCA9500PW,118 Applications

• Industrial Control Systems: Expands I/O for PLCs and sensor interfaces.
• Consumer Electronics: Used in smart home devices for button/LED control.
• Embedded Systems: Ideal for space-constrained designs requiring additional GPIOs.
• Automotive Infotainment: Interfaces with peripherals in low-voltage environments.
• Medical Devices: Reliable I/O expansion for diagnostic equipment.

Conclusion of PCA9500PW,118

The PCA9500PW,118 stands out for its low-voltage operation, high current drive, and non-volatile memory, making it superior to basic I/O expanders. Its compact TSSOP package and 400 kHz I2C speed ensure efficient performance in high-density PCB layouts. Whether in industrial automation, consumer tech, or medical systems, this IC delivers robust, scalable I/O expansion with minimal power overhead. A versatile choice for engineers seeking reliability and integration ease in modern electronic designs.

PCA9500PW,118 Documents

Download datasheets and manufacturer documentation for PCA9500PW,118

Datasheets :

PCA9500      

PCN Packaging :

All Dev Label Update 15/Dec/2020      

HTML Datasheet :

PCA9500      

Environmental Information :

NXP USA Inc REACH       NXP USA Inc RoHS Cert