MCP23017-E/MLVAO

I/o Expanders Overview

The MCP23017-E/MLVAO is an automotive-grade, 16-bit I/O expander featuring an I2C interface. It operates within a supply voltage range of 1.8V to 5.5V and supports clock frequencies up to 1.7MHz. The device provides two interrupt output pins (INTA, INTB) and includes configurable polarity inversion registers. It utilizes a 28-pin QFN package with dimensions of 6 x 6 mm. The component is qualified under AEC-Q100 standards for automotive applications.

I/o Expanders Feature Summary

• AEC-Q100 Qualified for automotive reliability
• Configurable Interrupt Output Pins
• Polarity Inversion Register
• External Reset Input

I/o Expanders Applications

• Automotive embedded systems
• Industrial control panels
• Consumer electronics

I/o Expanders Procurement Notes

Verify the specific suffix 'VAO' against official Microchip documentation to confirm automotive qualification status and any distinct manufacturing or testing requirements associated with this variant. Ensure compatibility with existing system voltage levels and I2C bus configurations before procurement.

I/o Expanders Selection Notes

Select this component when an I2C-based 16-bit expansion solution is required for automotive environments. Consider the 28-pin QFN package constraints and thermal pad requirements during PCB layout. Verify that the host controller supports the necessary I2C speeds and address configurations.

I/o Expanders Part Context

This part belongs to the MCP23X17 family, which includes both I2C (MCP23017) and SPI (MCP23S17) variants. The 'E' indicates extended temperature performance, while 'ML' specifies the 28-pin QFN package. The 'VAO' suffix typically denotes automotive grade qualification.

I/o Expanders Replacement Considerations

Direct replacements include other MCP23017 variants in different packages such as MCP23017-E/SO or MCP23017-E/SS. Ensure the substitute maintains the same I2C interface and pinout compatibility if a direct drop-in replacement is needed.