IP4791CZ12 Fast Delivery |IC PHOENIX CO.,LIMITED

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IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
1. General description
The IP4791CZ12 is designed to protect mobile High-Definition Multimedia
Interface (HDMI) transmitter interfaces. It includes level shifting for the Data Display
Channel (DDC), Consumer Electronic Control (CEC), hot plug signal and backdrive
protection. In addition, all signals are protected by high-level ElectroStatic
Discharge (ESD) protection diodes.
The level shifting function is required to protect the I/Os against overvoltages when the
transmitter operates at a supply voltage lower than the external devices. The IP4791CZ12
contains active buffers to provide the level shifting function, hot plug detect input and the
CEC pull-up current source.
The ESD protection diodes provide protection from ESD voltages up to ±8 kV, according
to IEC 61000-4-2, level4.
2. Features and benefits HDMI 1.3 compliant Pb-free, Restriction of Hazardous Substances (RoHS) compliant and free of halogen
and antimony (Dark Green compliant) Robust ESD protection without degradation after multiple ESD strikes Low leakage even after several hundred ESD discharges Bidirectional level shifting buffer provided for DDC clock and data channels Backdrive protection Power management CEC pull-up current source and level shifting buffer Hot plug detect module with pull-down resistor Matched 0.4 mm trace spacing for HDMI type C connector
3. Applications
The IP4791CZ12 can be used with a range of HDMI transmitter devices including: Personal computer Notebook Mobile phone DV camcorder Digital still camera MP3 player
IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
Rev. 3 — 7 January 2011 Product data sheet
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
4. Ordering information
5. Functional diagram
Table 1. Ordering information
IP4791CZ12 HXSON12 plastic, thermal enhanced extremely thin small outline package; no leads; terminals; body 2.1× 2.5× 0.5 mm
SOT1156-1
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
6. Pinning information
6.1 Pinning
6.2 Pin description
Table 2. Pin description
CEC_IN 1 CEC system side
DDC_CLK_IN 2 DDC clock system side
DDC_DAT_IN 3 DDC data system side
VCC_LOW 4 supply voltage, low voltage side for level shifting
HDMI_5V0_IN 5 5 V line from main supply
HOTPLUG_DET_OUT 6 hot plug detect system side
HOTPLUG_DET_IN 7 hot plug detect connector side
HDMI_5V0_OUT 8 5 V line to HDMI connector
ACTIVE 9 power saving mode
DDC_DAT_OUT 10 DDC data connector side
DDC_CLK_OUT 11 DDC clock connector side
CEC_OUT 12 CEC connector side
GND Pad ground
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
7. Limiting values
[1] IEC 61000-4-2, level 4, contact discharge.
[2] Machine Model (MM) according to JESD22-A115-A.
[3] Human Body Model (HBM) according to JESD22-A-J114D.
[4] Including the current through the internal pull-up resistors.
8. Characteristics
Table 3. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
VESD electrostatic discharge
voltage
signal pins to ground
at HDMI/DVI connector side [1]- ±10 kV
all pins [2]- ±200 V
all pins [3]- ±2kV
VCC supply voltage GND− 0.5 5.5 V input voltage GND− 0.5 5.5 V
Ptot total power dissipation ACTIVE= HIGH;
DDC operatingat 100 kHz,50% duty cycle;
CEC operatingat1 kHz,50% duty cycle
[4] -30 mW
disable: HDMI cable not connected;
ACTIVE= LOW, DDC bus in Idle mode
-0.2 mW
Tstg storage temperature −55 +125 °C
Tamb ambient temperature −40 +85 °C
Table 4. Supplies
GND=0 V; Tamb =25 °C; unless otherwise specified.
VCC(5V0) supply voltage (5.0V) 4.5 5.0 5.5 V
VCC(1V8) supply voltage (1.8V) 1.62 1.8 3.63 V
Table 5. Static characteristics
VCC(5V0) =5.0 V; VCC(1V8)= 1.8 V; GND=0 V; Tamb =25 °C; unless otherwise specified.
HDMI_5V0_OUT
Rdyn dynamic resistance [1]
positive transient - 0.6 - Ω
negative transient - 0.4 - Ω
VCL(ch)trt(pos) positive transient channel
clamping voltage
VESD=8 kV, tp =100ns [2] -8.0 -V
ACTIVE
VIH HIGH-level input voltage [3] 1.2 - - V
VIL LOW-level input voltage - - 0.8 V
Rpd pull-down resistance 60 100 140 kΩ
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
DDC buffer - connector side (pin 10 and pin 11) [3]
VIH HIGH-level input voltage 0.5× VCC(5V0) -5.5 V
VIL LOW-level input voltage −0.5 - 0.3× VCC(5V0) V
VIK input clamping voltage II= −18 mA - −1.0 - V
VOL LOW-level output voltage internal pull-down current - 100 200 mV
VOH HIGH-level output voltage [4] VCC(5V0)− 0.02- VCC(5V0) +0.02V
CIO input/output capacitance VCC(5V0) =0V;
VCC(1V8) =0V;
Vbias =2.5V; input= 3.5 V(p-p); = 100 kHz
[4]- 8 10 pF
Rpu pull-up resistance 1.6 1.8 2.0 kΩ
DDC buffer - system side (pin 2 and pin3) [3]
VIH HIGH-level input voltage 0.26× VCC(1V8) -- V
VIL LOW-level input voltage - - 0.20× VCC(1V8)V
VIK input clamping voltage II= −18 mA - −1.0 - V
VOL LOW-level output voltage - - 0.28× VCC(1V8)V
VOH HIGH-level output voltage [4] VCC(1V8)− 0.02- VCC(1V8) +0.02V
CIO input/output capacitance VCC(5V0) =0V;
VCC(1V8) =0V;
Vbias =2.5V; input= 3.5 V(p-p); = 100 kHz
[4] -6 8 pF
Rpu pull-up resistance 3.2 3.65 4.1 kΩ
CEC_OUT [3]
VIH HIGH-level input voltage 2.0 - - V
VIL LOW-level input voltage - - 0.80 V
VOH HIGH-level output voltage 2.88 3.3 3.63 V
VOL LOW-level output voltage IOL= 1.5 mA - 100 200 mV
CIO input/output capacitance VCC(5V0) =0V;
VCC(1V8) =0V;
Vbias =2.5V; input= 3.5 V(p-p); = 100 kHz
[4]- 8 10 pF
Rpu pull-up resistance 23.4 26.0 28.6 kΩ
Table 5. Static characteristics …continued
VCC(5V0) =5.0 V; VCC(1V8)= 1.8 V; GND=0 V; Tamb =25 °C; unless otherwise specified.
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
[1] ANSI-ESDSP5.5.1-2004, ESD sensitivity testing TLP component level method 50 TDR.
[2] According to IEC 61000, level 4, contact discharge.
[3] The device is active if the input voltage at pin ACTIVE is above the HIGH level.
[4] This parameter is guaranteed by design.
[1] All dynamic measurements are done with a 50 pF load. Rise times are determined by internal pull-up resistors.
CEC_IN [3]
VIH HIGH-level input voltage 0.26× VCC(1V8) -- V
VIL LOW-level input voltage - - 0.20× VCC(1V8)V
VOH HIGH-level output voltage [4] VCC(1V8)− 0.02- VCC(1V8) +0.02V
VOL LOW-level output voltage - - 0.28× VCC(1V8)V
CIO input/output capacitance VCC(5V0) =0V;
VCC(1V8) =0V;
Vbias =2.5V; input= 3.5 V(p-p); = 100 kHz
[4] -6 7 pF
Rpu pull-up resistance 8.5 10.0 11.5 kΩ
HOTPLUG_DET_IN [3]
VIH HIGH-level input voltage 2.0 - - V
VIL LOW-level input voltage - - 0.8 V
Rpd pull-down resistance 60 100 140 kΩ input capacitance VCC(5V0) =0V;
VCC(1V8) =0V;
Vbias =2.5V; input= 3.5 V(p-p); = 100 kHz
[4]- 8 10 pF
HOTPLUG_DET_OUT [3]
VOH HIGH-level output voltage IOL =1 mA 0.7× VCC(1V8) -- V
VOL LOW-level output voltage IOL=−1 mA - 200 300 mV
Rpd pull-down resistance 60 100 140 kΩ
Table 5. Static characteristics …continued
VCC(5V0) =5.0 V; VCC(1V8)= 1.8 V; GND=0 V; Tamb =25 °C; unless otherwise specified.
Table 6. Dynamic characteristics
VCC(5V0) =5.0 V; VCC(1V8)= 1.8 V; GND=0 V; Tamb =25 °C; unless otherwise specified.
DDC_DAT_IN, DDC_CLK_IN, DDC_DAT_OUT, DDC_CLK_OUT
tPLH LOW to HIGH propagation delay system side to connector side Figure3 [1] -80 - ns
tPHL HIGH to LOW propagation delay system side to connector side Figure3 [1] -60 - ns
tPLH LOW to HIGH propagation delay connector side to system side Figure4 [1] -120 -ns
tPHL HIGH to LOW propagation delay connector side to system side Figure4 [1] -80 - ns
tTLH LOW to HIGH transition time connector side Figure5 [1] -150 -ns
tTHL HIGH to LOW transition time connector side Figure5 [1] -100 -ns
tTLH LOW to HIGH transition time system side Figure6 [1] -250 -ns
tTHL HIGH to LOW transition time system side Figure6 [1] -80 - ns
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
9. AC waveforms
9.1 DDC propagation delay
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
9.2 DDC transition time
NXP Semiconductors IP4791CZ12
HDMI ESD protection, level shifter and backdrive protection
10. Application information
10.1 HDMI source
The IP4791CZ12 simplifies the application of a mobile HDMI source.
No external components are needed for the application to adapt the HDMI port to the
HDMI transmitter.
Note: The 5 V supply voltage must be in the range 4.8 V to 5.3 V to pass the
HDMI compliance test.
The ACTIVE pin is enabling the IP4791CZ12 with a voltage above 1.2 V. Connecting the
ACTIVE pin to the HOT PLUG line will enable the IP4791CZ12 automatically if any HDMI
sink is connected to the HDMI port and disable (switch to power-saving mode of the
IP4791CZ12) when no HDMI sink is connecting to the HDMI port.

Partno	Mfg	Dc	Qty	Available	Descript
IP4791CZ12	NXP	N/a	3500	avai	HDMI ESD protection, level shifter and backdrive protection