Analog Devices Inc./Maxim Integrated

MAX7313AEG+  

I/O Expanders

MAX7313AEG+ Description

The MAX7313AEG+ from Analog Devices Inc./Maxim Integrated is a high-performance I²C/SMBus-compatible 16-bit I/O expander designed for applications requiring efficient port expansion with minimal host microcontroller overhead. Operating at a clock frequency of 400 kHz, it supports open-drain outputs with a 50mA current sink/source capability, making it suitable for driving LEDs, relays, and other low-power peripherals. The device operates within a 2V to 3.6V supply range, ensuring compatibility with low-voltage systems. Packaged in a 24-QSOP tube, it is RoHS3 compliant and features PWM (Pulse-Width Modulation) for precise brightness or speed control.

MAX7313AEG+ Features

• 16 configurable I/O ports with open-drain outputs for flexible interfacing.
• I²C/SMBus interface (400 kHz) for efficient communication with microcontrollers.
• Interrupt output pin for event-driven system designs, reducing polling overhead.
• PWM support for LED dimming or motor control applications.
• Wide voltage range (2V–3.6V), ideal for battery-powered and portable devices.
• 50mA current drive per I/O, enabling direct control of small loads.
• Surface-mount 24-QSOP package, optimized for space-constrained PCB designs.
• REACH unaffected and RoHS3 compliant, meeting environmental standards.

MAX7313AEG+ Applications

The MAX7313AEG+ excels in systems requiring scalable I/O expansion with minimal host intervention. Key applications include:

• LED matrix control: PWM capability enables smooth dimming in display backlighting or signage.
• Industrial automation: Interrupt-driven I/O monitoring for sensors and actuators.
• Consumer electronics: Button/switch interfacing in smart home devices.
• Battery-powered systems: Low-voltage operation extends runtime in portable gadgets.
• Embedded systems: Efficient peripheral management in microcontrollers with limited GPIOs.

Conclusion of MAX7313AEG+

The MAX7313AEG+ stands out as a versatile I/O expander with high drive capability, PWM support, and interrupt functionality, making it ideal for energy-efficient and responsive designs. Its compact form factor, wide voltage range, and compliance with environmental standards ensure reliability across industrial, consumer, and embedded applications. Engineers seeking a low-power, high-performance I²C expander will find this device a robust solution for expanding system capabilities without compromising efficiency.

MAX7313AEG+ Documents

Download datasheets and manufacturer documentation for MAX7313AEG+

Datasheets :

MAX7313      

Part Numbering Guide :

Part Numbering System      

Application Notes :

PWM Intensity Control for the MAX6964 LED Driver       Port Expanders for Flip-Cell Phones Save Cost and Space       How to Apply Additional PWM Intensity Control to LED Drivers       Driving LEDs with Open Drain Port Expander Outputs      

HTML Datasheet :

MAX7313      

Environmental Information :

Maxim Integrated RoHS Cert       Maxim Integrated REACH