Overview
The HDMI2C1-14HDS, produced by STMicroelectronics, is a fully integrated ESD protection and signal conditioning device designed for control links and TMDS data video channels of HDMI transmitters (Source). This component provides HDMI designers with a simple and efficient solution to achieve full compliance with the stringent HDMI Compliance Test Specification (CTS) across a wide temperature range of -40 to 85 °C.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Temperature | -40 to 85 °C |
| ESD Protection | 8 kV contact ESD protection on connector side (IEC 61000-4-2 level 4) |
| Package | QFN-24L, 500 μm pitch |
| Voltage Compatibility | Supports direct connection to low-voltage HDMI ASIC and/or CEC driver (down to 1.8 V) |
| TMDS Bandwidth | High bandwidth ESD protection compatible with 4 K-2 K 60 fps, up to 3.4 Gbps per channel |
| DDC Link Protection | Bi-directional signal conditioning circuit and dynamic pull-up |
| CEC Bus Protection | Bi-directional level-shifter, backdrive protection, and independent structure from main power supply |
| HEAC Link Protection | Protection for HDMI Ethernet and Audio Return Channels |
| HPD Signal Conditioning | HPD pull down and signal conditioning |
| Power Supply Protection | Short-circuit protection on 5 V output, over temperature protection |
Key Features
- HDMI compliant from -40 to 85 °C
- 8 kV contact ESD protection on connector side
- Supports direct connection to low-voltage HDMI ASIC and/or CEC driver (down to 1.8 V)
- TMDS high bandwidth ESD protection compatible with 4 K-2 K 60 fps
- DDC (I2C) link protection, bi-directional signal conditioning circuit, and dynamic pull-up
- CEC bus protection, bi-directional level-shifter, backdrive protection, and independent structure from main power supply
- HEAC link protection
- HPD pull down and signal conditioning
- Short-circuit protection on 5 V output
- Over temperature protection
- Minimal PCB footprint in consumer area
- Ultra low power consumption in stand-by mode
- Wake-up from stand-by through CEC bus
- Improved HDMI interface ruggedness and user experience
- Long and/or poor quality cable support
Applications
The HDMI2C1-14HDS is suitable for various consumer and computer electronics, including:
- HD set-top boxes
- DVD and Blu-Ray Disk systems
- Notebook and PC graphic cards
Q & A
- What is the primary function of the HDMI2C1-14HDS?
The primary function is to provide ESD protection and signal conditioning for control links and TMDS data video channels of HDMI transmitters. - What is the operating temperature range of the HDMI2C1-14HDS?
The operating temperature range is from -40 to 85 °C. - What level of ESD protection does the HDMI2C1-14HDS offer?
The device offers 8 kV contact ESD protection on the connector side, compliant with IEC 61000-4-2 level 4. - Is the HDMI2C1-14HDS compatible with low-voltage HDMI ASICs?
Yes, it supports direct connection to low-voltage HDMI ASIC and/or CEC driver down to 1.8 V. - What is the TMDS bandwidth supported by the HDMI2C1-14HDS?
The device supports TMDS high bandwidth ESD protection compatible with 4 K-2 K 60 fps, up to 3.4 Gbps per channel. - Does the HDMI2C1-14HDS support CEC bus wake-up from stand-by mode?
Yes, it supports wake-up from stand-by through the CEC bus. - What kind of protection does the HDMI2C1-14HDS offer for the 5 V power supply?
The device offers short-circuit protection and over temperature protection for the 5 V power supply. - Is the HDMI2C1-14HDS compliant with HDMI standards?
Yes, it is fully compliant with HDMI standards and CTS. - What is the package type of the HDMI2C1-14HDS?
The device is proposed in a QFN-24L package with a 500 μm pitch. - What are some of the applications for the HDMI2C1-14HDS?
It is suitable for HD set-top boxes, DVD and Blu-Ray Disk systems, and notebook and PC graphic cards.
