PCF8575CTS/1118 SMD IC Remote 16-bit I/O expander for I2C-bus NXP

16-Bit I2C GPIO Expander IC – High-Speed Parallel Port Expander
This 16-bit I2C GPIO expander IC is a versatile remote input/output expansion solution designed for embedded systems, industrial automation, LED control, microcontroller interfacing, and IoT applications. Featuring a high-speed 400kbit/s I2C interface, low standby current consumption, interrupt output support, and direct LED driving capability, the IC enables efficient expansion of digital I/O lines while minimizing microcontroller pin usage.

Why it’s a System Essential:
• 16-Bit Remote I/O Expansion: Adds 16 programmable GPIO lines through a simple I2C interface.
• Fast I2C Communication: Supports 400kbit/s FAST I2C-bus operation for responsive control.
• Low Standby Current: Maximum standby current of only 10µA for low-power applications.
• Open-Drain Interrupt Output: Enables efficient event-driven microcontroller communication.
• Direct LED Driving Capability: Latched outputs provide high current drive for LEDs.
• Multi-Device Addressing: Supports up to 8 devices using hardware address pins.
• Broad Microcontroller Compatibility: Easily interfaces with most embedded controllers.

Technical Specifications:
• Operating Supply Voltage: 4.5V to 5.5V
• Interface Type: I2C-Bus
• I2C Speed: 400kbit/s FAST I2C
• Remote I/O Ports: 16-Bit GPIO

Power Features:
• Maximum Standby Current: 10µA

Interrupt & Addressing Features:
• Open-Drain Interrupt Output
• Address Selection via 3 Hardware Address Pins
• Supports Up to 8 Devices on Same Bus

Output Features:
• Latched Outputs
• High Current Drive Capability
• Direct LED Drive Support

Package Information:
• Package Type: SSOP-24

Features:
• High-speed GPIO expansion
• Low-power embedded operation
• LED driving capability
• Interrupt-based communication support
• Multi-device I2C addressing
• Compact surface-mount package

Applications:
• GPIO expansion for microcontrollers
• LED control systems
• Embedded automation electronics
• Sensor interfacing applications
• Industrial control systems
• IoT and smart devices
• Communication peripherals
• Educational electronics projects
• DIY embedded prototyping

Best For:
Ideal for students, hobbyists, makers, engineers, and embedded developers working on microcontroller systems, IoT devices, automation electronics, LED display control, sensor interfacing, and embedded applications requiring reliable high-speed digital I/O expansion over an I2C interface.