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MAXIM INTEGRATED / ANALOG DEVICES MAX7313AEG I/O Expander

The MAX7313AEG+ is a 16-port I/O expander with LED intensity control, interrupt capability, and hot-insertion protection, housed in a 24-pin QSOP package. It communicates via an I2C interface and provides microprocessors with 16 configurable I/O ports. Each port can be individually set as an open-drain current sinking output (up to 50mA at 5.5V) or as a logic input with transition detection. An additional 17th port offers transition detection interrupt or can serve as a general-purpose output. The outputs support driving LEDs or logic signals with external pull-up resistors up to 5.5V. PWM current control with 8-bit resolution enables precise LED brightness adjustment, featuring global 4-bit control for coarse current adjustment and individual 4-bit control for fine-tuning, with the option of a single 8-bit setting for all outputs. The device operates at supply voltages from 2V to 3.6V, with an operating temperature range of -40°C to 125°C. It is pin- and software-compatible with MAX7311, PCA9535, and PCA9555. The serial interface supports data transfer speeds up to 400Kbps. Each output has independent blink timing with two blink phases. The device supports hot insertion, consumes a standby current of 1.2μA, and can be configured to one of 64 I2C addresses. Typical applications include power management and portable devices.

Authorized Distributors
Source:Newark
Part No:MAX7313AEG+
Stock:94
Inv Date:06-05-2026
Price: Unit price: $8.79
Buy/RFQ:
Source:DigiKey
Part No:MAX7313AEG+
Stock:1186
Inv Date:06-05-2026
Price: Unit price: $8.78
Buy/RFQ:
Part No:MAX7313AEG+
Stock:526
Inv Date:06-06-2026
Price: Unit price: $8.78
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX7313AEG I/O Expander Specifications:

  • Number of ports: 16 configurable I/O ports
  • Additional port: 17th port for transition detection interrupt or general-purpose output
  • Output current: Up to 50mA per port
  • Voltage range: 2V to 3.6V
  • Pull-up voltage: Up to 5.5V
  • PWM resolution: 8-bit for LED brightness control
  • Global 4-bit intensity control and individual 4-bit controls
  • Operating temperature: -40°C to 125°C
  • Supports hot insertion and transition detection with interrupt
  • Serial interface speed: Up to 400Kbps
  • I2C address options: 64 possible addresses
  • Power consumption: Standby current approximately 1.2μA

Buy the Buy MAXIM MAX7313AEG+ Part Number MAX7313AEG Online

Purchase the MAXIM MAX7313AEG+ online today to add 16 configurable I/O ports with LED brightness control, transition detection, and hot-insertion protection. This versatile device supports PWM for LED adjustments, blink modes, and can operate at low voltages from 2V to 3.6V with high-speed serial communication of up to 400Kbps. It is ideal for power management in portable devices, backlit displays, and LED indication systems. Easy to integrate, pin and software compatible with popular I/O expanders, ensuring reliable performance in various electronic applications.

Order your MAXIM MAX7313AEG+ series16-port LED expander today and enhance your power management and LED control projects with reliable I2C communication.

Frequently Asked Questions

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You can download the MAX7313AEG datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

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