Overview
The IP4786CZ32, produced by Nexperia USA Inc., is a specialized integrated circuit designed to protect High-Definition Multimedia Interface (HDMI) transmitter host interfaces. This component is engineered to provide comprehensive protection and support for HDMI and Digital Visual Interface (DVI) applications. It includes features such as HDMI 5 V overcurrent/overvoltage protection, Display Data Channel (DDC) and Consumer Electronic Control (CEC) buffering, hot plug detect, backdrive protection, and robust ElectroStatic Discharge (ESD) protection.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 32-pin HVQFN leadless package |
| Supply Voltage | 3.3 V, 5 V |
| TMDS Bit Rate | 6.0 Gbps (600 Mcsc TMDS Character Rate) |
| ESD Protection | ±12 kV, exceeding IEC 61000-4-2 level 4 standard |
| Interface | DVI, HDMI |
| Overcurrent/Overvoltage Protection | Enhanced 60 mA linear regulator for HDMI-compliant 5 V output |
| DDC and CEC Buffering | Decoupling and redriving of DDC and CEC signals |
| Hot Plug Detect | Internal hot plug detect module |
| Backdrive Protection | Integrated pull-ups and pull-downs for HDMI compliance |
Key Features
- HDMI 2.0 and backward compatible standards support
- Supports UHD 4k (2160p) 60 Hz display modes
- Impedance-matched 100 Ω differential transmission line ESD protection for TMDS lines (±10 Ω)
- Simplified flow-through routing utilizing less overall PCB space
- DDC capacitive decoupling between system side and HDMI connector side and buffering to drive cables with high capacitive load (> 700 pF/25 m)
- Robust ESD protection without degradation after repeated ESD strikes
- Hot plug detect module and CEC buffering with integrated backdrive-protected 26 kΩ pull-up
- Highest integration in a small footprint, optimized for RF routing
Applications
- Standard-Definition (SD) and High-Definition (HD) DVD players
- Set-top boxes
- PC graphic cards
- Game consoles
- HDMI picture performance quality enhancer modules
- Digital Visual Interface (DVI) applications
Q & A
- What is the primary function of the IP4786CZ32?
The IP4786CZ32 is designed to protect High-Definition Multimedia Interface (HDMI) transmitter host interfaces, providing ESD protection, overcurrent/overvoltage protection, and other essential features.
- What package type does the IP4786CZ32 use?
The IP4786CZ32 comes in a 32-pin HVQFN leadless package.
- What is the maximum TMDS bit rate supported by the IP4786CZ32?
The IP4786CZ32 supports a TMDS bit rate of 6.0 Gbps (600 Mcsc TMDS Character Rate).
- What level of ESD protection does the IP4786CZ32 offer?
The IP4786CZ32 provides ±12 kV ESD protection, exceeding the IEC 61000-4-2 level 4 standard.
- Does the IP4786CZ32 support UHD 4k display modes?
- What is the purpose of the DDC and CEC buffering in the IP4786CZ32?
The DDC and CEC buffering in the IP4786CZ32 decouples and redrives the signals, allowing the use of longer or cheaper HDMI cables with higher capacitance.
- How does the IP4786CZ32 handle hot plug detection?
The IP4786CZ32 includes an internal hot plug detect module to simplify the application of the HDMI transmitter to control the hot plug signal.
- What kind of backdrive protection does the IP4786CZ32 offer?
The IP4786CZ32 provides integrated pull-ups and pull-downs for HDMI compliance and backdrive protection.
- In what types of devices is the IP4786CZ32 commonly used?
The IP4786CZ32 is commonly used in devices such as DVD players, set-top boxes, PC graphic cards, game consoles, and HDMI picture performance quality enhancer modules.
- Is the IP4786CZ32 still available for purchase?
The IP4786CZ32 is listed as obsolete, but it may still be available from some suppliers or inventory holders.
