IP4778CZ38 datasheet, PDF - EEWORLD Datasheet

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IP4778CZ38: DescriptionHDMI ESD protection, DDC buffering and hot plug control; CategoryOther integrated circuit (IC) Consumption circuit; File Size130KB，26 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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IP4778CZ38 Overview

HDMI ESD protection, DDC buffering and hot plug control

IP4778CZ38 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	NXP
Parts packaging code	TSSOP
package instruction	4.40 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, SOT510-1, TSSOP-38
Contacts	38
Reach Compliance Code	unknow
Other features	ALSO REQUIRES SUPPLY FROM 4.5 TO 5.5
Commercial integrated circuit types	CONSUMER CIRCUIT
JESD-30 code	R-PDSO-G38
JESD-609 code	e4
length	9.7 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	38
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
surface mount	YES
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4.4 mm

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IP4778CZ38

HDMI ESD protection, DDC buffering and hot plug control

Rev. 02 — 12 February 2009

Product data sheet

1. General description

The IP4778CZ38 is designed for HDMI receiver host interface protection. The

IP4778CZ38 includes DDC buffering, slew rate acceleration and decoupling, Hot Plug

control, backdrive protection, CEC slew rate control, optional multiplexing of DDC signals,

and high-level ESD protection diodes for all HDMI signals.

The DDC lines are buffered using a new buffering concept which decouples the internal

capacitive load from the external capacitive load. This allows higher PCB design ﬂexibility

for the DDC lines with respect to the maximum load of 50 pF speciﬁed in the

HDMI 1.3

speciﬁcation.

This buffering also boosts the DDC signals, allowing the use of longer HDMI

cables having a higher capacitive load than 700 pF. The CEC slew rate limiter prevents

ringing on the CEC line and greatly reduces the number of discrete components needed

by the CEC application. HDMI receiver and system GPIO applications are simpliﬁed by an

internal Hot Plug driver module and Hot Plug control.

The DDC, Hot Plug and CEC lines are backdrive protected to guarantee HDMI interface

signals are not pulled down if the system is powered down or enters Standby mode.

All TMDS intra-pairs are protected by a special diode conﬁguration offering a low line

capacitance of 0.7 pF only (to ground) and 0.05 pF between the TMDS pairs. These

diodes provide protection to components downstream from ESD voltages of up to

±8

contact in accordance with the IEC 61000-4-2, level 4 standard.

2. Features

HDMI 1.3 compliant

Pb-free and RoHS compliant

Robust ESD protection without degradation after several ESD strikes

Low leakage even after several hundred ESD discharges

Very high diode switching speed (ns) and low line capacitance of 0.7 pF to ground and

0.05 pF between channels ensures signal integrity

DDC capacitive decoupling between system side and HDMI connector side and drive

cable buffering with capacitive load (> 700 pF)

Hot Plug control for direct connection to system GPIO

CEC ringing prevention by slew rate limiter

DDC and Hot Plug enable signal for multiplexing and backdrive protection

All TMDS lines with integrated rail-to-rail clamping diodes with downstream ESD

protection of

±8

kV in accordance with IEC 61000-4-2, level 4

Matched 0.5 mm trace spacing

IP4778CZ38 Related Products

	IP4778CZ38	IP4778CZ38/V
Description	HDMI ESD protection, DDC buffering and hot plug control	HDMI ESD protection, DDC buffering and hot plug control
Is it Rohs certified?	conform to	conform to
Maker	NXP	NXP
Parts packaging code	TSSOP	TSSOP
package instruction	4.40 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, SOT510-1, TSSOP-38	4.40 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, SOT510-1, TSSOP-38
Contacts	38	38
Reach Compliance Code	unknow	unknow
Other features	ALSO REQUIRES SUPPLY FROM 4.5 TO 5.5	ALSO REQUIRES SUPPLY FROM 4.5 TO 5.5
Commercial integrated circuit types	CONSUMER CIRCUIT	CONSUMER CIRCUIT
JESD-30 code	R-PDSO-G38	R-PDSO-G38
JESD-609 code	e4	e4
length	9.7 mm	9.7 mm
Humidity sensitivity level	1	1
Number of functions	1	1
Number of terminals	38	38
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	260
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.1 mm	1.1 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V
surface mount	YES	YES
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)	NICKEL PALLADIUM GOLD
Terminal form	GULL WING	GULL WING
Terminal pitch	0.5 mm	0.5 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	40
width	4.4 mm	4.4 mm

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