PCA9536DP,118

The PCA9536DP,118 is an 8-bit I²C-bus controlled GPIO (general-purpose input/output) expander manufactured by NXP Semiconductors. It provides additional digital I/O ports that can be controlled and monitored through the I²C serial interface, offering flexibility and expandability to microcontroller-based systems.

Key Features:

• 8-Bit GPIO Expander: The PCA9536DP,118 features 8 GPIO pins that can be independently configured as inputs or outputs.
• I²C Serial Interface: It communicates with the host microcontroller or system master through the industry-standard I²C serial bus protocol, allowing for easy integration into various embedded systems.
• Selectable I²C Slave Address: The device supports multiple selectable slave addresses, enabling the connection of multiple GPIO expanders on the same I²C bus without address conflicts.
• Input/Output Configuration: Each GPIO pin can be individually configured as either an input or an output, allowing for flexible usage based on the application requirements.
• Interrupt Output: The PCA9536DP,118 can generate an interrupt signal to the host microcontroller in response to changes in the status of the GPIO inputs, reducing the need for continuous polling of input states.
• Low Standby Current: It features low standby current consumption, making it suitable for battery-powered and energy-efficient applications.
• Wide Voltage Range: The device operates over a wide voltage range, typically from 2.3V to 5.5V, ensuring compatibility with a variety of microcontroller and system power supplies.
• Small Package: Available in compact and space-saving packages, the PCA9536DP,118 facilitates easy integration into circuit board designs with minimal footprint.

Applications:

• LED Lighting Control: It can be used to control and monitor the status of LEDs in lighting systems, including dimming, flashing, and pattern generation.
• Keypad Scanning: The GPIO expander can interface with keypads or matrix switches, enabling the detection of key presses and keyboard scanning in user interface applications.
• I/O Expansion: It provides additional digital I/O ports for microcontroller-based systems with limited GPIO availability, extending the number of available inputs and outputs for interfacing with sensors, actuators, and peripheral devices.
• Industrial Control: The device can be integrated into industrial control systems, PLCs (programmable logic controllers), and automation equipment for digital I/O expansion and signal conditioning.
• Consumer Electronics: Applications include smart appliances, home automation systems, and multimedia devices where additional GPIOs are required for user interaction, status indication, and control functions.