Overview
The IP4786CZ32S118, produced by NXP USA Inc., is a highly integrated protection device designed to safeguard High-Definition Multimedia Interface (HDMI) transmitter host interfaces. This component is crucial in ensuring the reliability and performance of HDMI connections in various consumer electronic devices. It offers comprehensive protection against overcurrent, overvoltage, and electrostatic discharge (ESD), making it an essential component in modern multimedia systems.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC(SYS) | Operating Voltage Range | 1.8 | - | 5.0 | V |
| VOH (HIGH-level output voltage) | VCC(SYS) = 1.8 V | VCC(SYS) - 0.02 | - | VCC(SYS) + 0.02 | V |
| VOL (LOW-level output voltage) | VCC(SYS) = 1.8 V, IOL = 1.5 mA | 490 | - | 500 | mV |
| VIK (input clamping voltage) | II = -18 mA | - | - | -1.0 | V |
| CIO (input/output capacitance) | VCC(5V0) = 0 V; VCC(SYS) = 0 V; Vbias = 2.5 V; AC input = 3.5 V(p-p); f = 100 kHz | 6.0 | - | 8.0 | pF |
| Rpu (pull-up resistance) | - | 3.2 | 3.65 | 4.1 | kΩ |
| ESD Protection | - | - | - | ±12 kV | - |
Key Features
- Supports HDMI 2.0 and all backward compatible standards
- Compatible with 6.0 Gbps TMDS Bit Rate (600 Mcsc TMDS Character Rate)
- Supports Ultra High-Definition (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 cable with high capacitive load (> 700 pF/25 m)
- All external I/O lines with ESD protection of at least ±12 kV, exceeding the IEC 61000-4-2, level 4 standard
- Includes HDMI 5 V overcurrent/overvoltage protection, Hot Plug Detect (HPD), backdrive protection, and Consumer Electronic Control (CEC) buffering and decoupling
Applications
- DVD players
- Set-Top Boxes
- Digital Video Recorders
- Other consumer electronic devices requiring HDMI interfaces
Q & A
- What is the primary function of the IP4786CZ32S118?
The primary function of the IP4786CZ32S118 is to protect High-Definition Multimedia Interface (HDMI) transmitter host interfaces from overcurrent, overvoltage, and electrostatic discharge (ESD).
- Which HDMI standards does the IP4786CZ32S118 support?
The IP4786CZ32S118 supports HDMI 2.0 and all backward compatible standards.
- What is the maximum TMDS Bit Rate supported by the IP4786CZ32S118?
The IP4786CZ32S118 supports up to 6.0 Gbps TMDS Bit Rate (600 Mcsc TMDS Character Rate).
- Does the IP4786CZ32S118 support Ultra High-Definition (UHD) 4K display modes?
Yes, the IP4786CZ32S118 supports Ultra High-Definition (UHD) 4K (2160p) 60 Hz display modes.
- What level of ESD protection does the IP4786CZ32S118 offer?
The IP4786CZ32S118 offers ESD protection of at least ±12 kV, exceeding the IEC 61000-4-2, level 4 standard.
- What types of consumer electronic devices can use the IP4786CZ32S118?
The IP4786CZ32S118 can be used in DVD players, Set-Top Boxes, Digital Video Recorders, and other consumer electronic devices requiring HDMI interfaces.
- Does the IP4786CZ32S118 include Hot Plug Detect (HPD) and backdrive protection?
Yes, the IP4786CZ32S118 includes Hot Plug Detect (HPD) and backdrive protection.
- How does the IP4786CZ32S118 simplify PCB routing?
The IP4786CZ32S118 simplifies flow-through routing, utilizing less overall PCB space.
- What is the purpose of DDC capacitive decoupling in the IP4786CZ32S118?
The DDC capacitive decoupling in the IP4786CZ32S118 is used to drive cables with high capacitive loads (> 700 pF/25 m).
- Is the IP4786CZ32S118 compatible with different system voltages?
Yes, the IP4786CZ32S118 is compatible with system voltages ranging from 1.8 V to 5.0 V.
