PI3HDX412BDZBEX

Specialized Overview

The PI3HDX412BDZBEX is an active HDMI splitter and demultiplexer IC manufactured by Diodes Incorporated. It supports a maximum TMDS data rate of 3.4Gbps, compliant with HDMI 1.4b specifications. The device operates on a single 3.3V supply voltage within an industrial temperature range of -40°C to +85°C. It features configurable output swing levels (defaulting to 500mV), pre-emphasis settings up to 6dB, and equalization control via I2C or pin straps. Packaged in a 56-contact TQFN (ZB56) format, it provides robust ESD protection rated at 8kV contact discharge per IEC6100-4-2.

Specialized Feature Summary

• Supports 1-to-2 splitting and demultiplexing for high-resolution video networks based on HDMI/DVI standards.
• Provides advanced signal conditioning including configurable pre-emphasis, equalization, and slew rate control.
• Features enhanced ESD/EOS protection suitable for consumer video network applications.

Specialized Applications

• Display Peripheral Box
• Digital Signage Display
• Video Processing Device

Specialized Procurement Notes

Verify the component against the official datasheet DS42988 Rev 2-3 to ensure compliance with HDMI 1.4b requirements. Confirm that the package matches the 56-contact TQFN specification and check for RoHS and Halogen-free certifications as defined by the manufacturer's quality definitions.

Specialized Selection Notes

Select this component for designs requiring a 1:2 HDMI split with active signal driving capabilities. Ensure the application utilizes a 3.3V power supply and accommodates the required I2C or pin-strapped control interface. Verify thermal management strategies align with the specified junction temperature limits.

Specialized Part Context

This part belongs to the PI3HDX series of active-drive switch solutions designed for high-resolution video networks. It functions as a single TMDS channel to two TMDS channel splitter and demultiplexer. The device is intended for use on the video driver side to switch between multiple display units such as PC LCD monitors, projectors, and TVs.

Specialized Replacement Considerations

The datasheet explicitly recommends using the PI3HDX612 as a replacement for new designs.

Specialized FAQ

What is the maximum supported data rate for this device?

The device supports a maximum TMDS serial link data rate of 3.4Gbps, which complies with HDMI 1.4b requirements.

How is the control mode selected for configuration?

Control mode is selected via the Mode Selection (MS) pin. A 'High' state enables I2C Control Mode, while a 'Low' state enables Pin Control Mode.

What are the ESD protection ratings for the I/O pins?

The device provides ESD protection on I/O pins to the connector rated at 8KV contact discharge per IEC6100-4-2 and 2KV HBM.