IP4787CZ32 DVI and HDMI interface ESD protection Integrated Circuits ICs
IP4787CZ32 DVI and HDMI interface ESD protection Integrated Circuits ICs
| N-X-P Semiconductors | |
| Product Category: | Integrated Circuits ICs |
| RoHS: | Details |
| TQFP-32 | |
| Standard | |
| Standard | |
| Brand: | N-X-P Semiconductors |
| Product Type: | Integrated Circuits ICs |
| Unit Weight: | 0.002568 oz |
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Category
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Series
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-
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Product Status
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Obsolete
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Applications
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DVI, HD, HDMI, Monitors, Multimedia, Set-Top Boxes
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Interface
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DVI, HDMI
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Voltage - Supply
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4.5V ~ 6.5V
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Package / Case
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32-VFQFN Exposed Pad
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Supplier Device Package
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32-HVQFN (5x5)
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Mounting Type
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Surface Mount
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Description
The IP4787CZ32 is designed to protect High-Definition Multimedia Interface (HDMI)
receiver interfaces. It includes HDMI 5 V power management, Display Data
Channel (DDC) buffering and decoupling, hot plug drive, backdrive protection, Consumer
Electronic Control (CEC) buffering and decoupling, and +12 kV contact ElectroStatic
Discharge (ESD) protection for all external I/Os, exceeding the IEC 61000-4-2, level 4
standard.
The IP4787CZ32 incorporates Transmission Line Clamping (TLC) technology on the
high-speed Transition-Minimized Differential Signaling (TMDS) lines to simplify routing
and help reduce impedance discontinuities. AlI TMDS lines are protected by an
impedance-matched diode configuration that minimizes impedance discontinuities caused
by typical shunt diodes.
The 5 V power management enables host access to the [Extended Display Identification
Data (EDID)] memory even if no HDMI plug is connected. The overall load to the 5 V line
is according to the HDMI requirements.
The DDC lines use a buffering concept which decouples the internal capacitive load from
the external capacitive load for use with standard Complementary Metal Oxide
Semiconductor (CMOS) or Low Voltage Transistor-Transistor Logic (LVTTL) I/O cells
down to 1.2 V. This buffering also redrives the DDC and CEC signals, allowing the use of
longer or cheaper HDMI cables with a higher capacitance. The internal hot plug drive
module simplfies the application of the HDMI receiver to control the hot plug signal.
All lines provide appropriate integrated pull-ups and pull-downs for HDMI compliance and
backdrive protection to guarantee that HDMI interface signals are not pulled down if the
system is powered down or enters Standby mode. Only a single external capacitor is
required for operation.
Features
■HDMI 2.0 and all backward compatible standards are supported
■6.0 Gbps TMDS bit rate (600 Mcsc TMDS character rate) compatible
■Supports UHD 4k (2160p) 60 Hz display modes
■Impedance matched 100 Q differential transmission line ESD protection for
TMDS lines (+10 Q). No Printed-Circuit Board (PCB) pre-compensation required
■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
Hot plug drive module
■Utility biasing module (HEAC compliant)
CEC buffering and isolation, with integrated backdrive-protected 26 k9 pull-up
Robust ESD protection without degradation after repeated ESD strikes
■Highest integration in a small footprint, PCB level, optimized RF routing,
32-pin HVQFN leadless package
Applications
■The IP4787CZ32 can be used for a wide range of HDMI sink devices, consumer and
computing electronics:
◆Digital High-Definition (HD) TV
◆Set-top box .
◆PC monitor
◆Projector
◆Multimedia audio amplifer
◆> HDMI picture performance quality enhancer module
◆Digital Visual Interface (DVI)
