PI4IOE5V9570UEX

I/o Expanders Overview

The PI4IOE5V9570UEX is a CMOS I/O expander providing 4-bit general-purpose parallel outputs. It operates on a supply voltage of 2.3 V to 5.5 V with a standby current of 10 uA maximum. The device supports 1 MHz I2C bus speeds and features latched push-pull outputs capable of driving LEDs directly, with a 25 mA per-pin capability. It includes internal Power-On Reset (POR) and Software Reset functions. ESD protection ratings are 4 kV HBM and 1 kV CDM. The component is housed in an MSOP-8 package.

I/o Expanders Feature Summary

• Supports high-speed 1 MHz I2C communication while maintaining backward compatibility with Fast-mode and Standard-mode protocols.
• Features latched push-pull outputs designed for direct LED driving with enhanced sink current capabilities.
• Integrates internal Power-On Reset and Software Reset mechanisms to ensure reliable initialization states.

I/o Expanders Applications

• Battery-powered mobile applications requiring low power consumption
• Interfacing with sensors and push buttons in crowded PCB layouts
• General purpose output expansion for handheld devices

I/o Expanders Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm the package type and reel configuration. Ensure the selected variant matches the required surface-mount footprint and tape-and-reel specifications for automated assembly processes.

I/o Expanders Selection Notes

Select this component when a compact solution for expanding digital outputs via I2C is required. Consider the 25 mA output drive strength for LED applications and verify that the 2.3 V minimum operating voltage aligns with the system's power rail availability.

I/o Expanders Part Context

This device belongs to the PI4IOE5V95xx series of I/O expanders manufactured by Diodes Incorporated. It serves as a streamlined solution for adding parallel outputs in processor-based systems where minimizing interconnections and board space is critical.

I/o Expanders Replacement Considerations

Consult official substitution lists for equivalent 4-bit I2C GPIO expanders. Verify pinout compatibility and electrical characteristics before replacing components in existing designs.