The MAX7310ATE+TG19 is a highly versatile I/O (Input/Output) expander from Maxim Integrated, designed to provide additional I/O options for microcontrollers with a limited number of pins. This device operates via the I²C serial interface, which allows for easy integration into existing systems with minimal wiring and complexity.

Key Features

• 16-Port I/O Expander
• I²C-Compatible Serial Interface
• Operating Voltage Range: 2.5V to 5.5V
• 400kHz Fast I²C Bus
• Individual Port Configuration as Input or Output
• Built-in Weak Pullup Resistors for Input Ports
• Transition Detection on Inputs with Interrupt Output
• High Output Drive Capability
• -40°C to +125°C Extended Temperature Range
• 28-Pin TQFN-EP Package

Applications

The MAX7310ATE+TG19 is suitable for a wide range of applications, particularly where there is a need to expand the I/O capabilities of microcontroller-based systems. Common applications include:

• Industrial Control Systems
• Automotive Control Systems
• Portable Devices
• Power Management Systems
• Robotics
• Server Management

Product Description

The device features 16 I/O ports that can be individually configured as either inputs or outputs, providing flexibility for a variety of control and monitoring tasks. Each input port is equipped with a weak pullup resistor, ensuring reliable operation even in the absence of external components. Additionally, the expander offers a transition detection feature for input ports, which can trigger an interrupt, allowing the host microcontroller to respond promptly to input changes.

The MAX7310ATE+TG19 supports a 400kHz fast I²C bus, enabling quick communication with the host microcontroller. It operates over a wide voltage range of 2.5V to 5.5V, making it compatible with most logic levels and suitable for battery-operated devices. The high output drive capability of the device ensures that it can drive LEDs and other output devices directly.

Enclosed in a space-saving 28-pin TQFN-EP package, the MAX7310ATE+TG19 is designed for use in environments with a wide temperature range, from -40°C to +125°C, making it ideal for industrial and automotive applications where reliability under extreme conditions is paramount.