Product Overview: PCA9536DGKRG4 from Texas Instruments

The PCA9536DGKRG4 is a robust, low-voltage 4-bit General Purpose Input/Output (GPIO) expander with an I2C-bus/SMBus interface that comes from the reputable semiconductor manufacturer Texas Instruments. This device provides the flexibility of additional I/Os, which is particularly useful when the microcontroller is short on pins. The PCA9536DGKRG4 is ideal for applications in a wide range of industries including consumer electronics, automotive, and industrial automation.

Key Features

• Interface: I2C/SMBus compatible interface, which supports standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes.
• Voltage Range: Operating voltage range of 2.3V to 5.5V, making it suitable for various logic levels and supply voltages.
• GPIO Expandability: Offers four GPIO pins that can be configured as inputs or outputs, providing versatility for a range of applications.
• Polarity Inversion: Input polarity inversion register to invert the polarity of the input register data.
• Low Standby Current: Features a low standby current, which is crucial for battery-powered and power-sensitive applications.
• Package: Comes in a space-saving VSSOP-8 package, which is ideal for compact PCB layouts.

Applications

The PCA9536DGKRG4 is well-suited for a variety of applications that require additional I/Os. These include:

• Server motherboards
• Embedded systems
• Personal electronics such as smartphones and tablets
• Industrial control systems
• Automotive controls

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the PCA9536DGKRG4 is no exception. This product is designed to meet the stringent requirements of the industrial and automotive industries, ensuring high performance and durability in harsh environments.