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NXP PCA9574PW118 8-bit GPIO Expander
The PCA9574 is a low-voltage CMOS GPIO expander with level shifting, offering 8 configurable I/O pins operating between 1.1 V and 3.6 V. Designed for mobile and battery-powered applications, it supports I2C and SMBus interfaces at 400 kHz, featuring separate supply rails for logic and I/O, a reset function, interrupt capability, and programmable pull-up/pull-down resistors. It simplifies interfacing between differing voltage levels and expands GPIO capacity in compact packages, ideal for sensors, switches, and other peripherals in industrial, medical, and consumer electronics.
NXP PCA9574PW118 8-bit GPIO Expander Specifications:
- Supply Voltage: 1.1 V to 3.6 V for core logic, 1.1 V to 3.6 V for I/O bank
- Operating Temperature Range: -40°C to +85°C
- Bus Interface: I2C-bus Standard-mode (100 kHz), Fast-mode (400 kHz)
- Current per I/O: 1 mA source, 3 mA sink (totem pole outputs)
- Pull-up/Pull-down Resistors: Programmable via registers, 100 kΩ
- Input Voltage Levels: VIL min -0.5V, VIH min 0.7×Vop
- Open-drain Interrupt (INT): Active LOW with masking capability
- Power-On Reset: Resets all GPIOs to inputs, initializes registers
- Packages: TSSOP16 and HVQFN16, industrial temperature range
Buy the NXP PCA9574 – Reliable Level Translating GPIO for Industrial Applications
Enhance your device interface with the PCA9574, a low-voltage, high-precision GPIO expander featuring level shifting, interrupt capabilities, and configurable pull resistors. Perfect for mobile, industrial, and medical applications, its compact design supports robust operation from 1.1 V to 3.6 V, simplifying system design and reducing interconnection complexity. With its reliable I2C/SMBus interface, it enables seamless communication, making it ideal for sensors, switches, and keypads. Purchase online today to streamline your projects with trusted, versatile electronics from NXP.
Get NXP PCA9574 today—built for reliable voltage level shifting, low power consumption, and flexible GPIO expansion in industrial environments.
Frequently Asked Questions
Where can I buy NXP PCA9574PW118?
You can click on the BUY or RFQ button to purchase PCA9574PW118 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9574PW118?
You can download the PCA9574PW118 datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9574PW118?
NXP