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Diodes Semiconductor Electronic Components Datasheet

PI3DPX1202A Datasheet

Low power DisplayPort 1.2 Redriver

No Preview Available !

A product Line of
Diodes Incorporated
PI3DPX1202A
Low power DisplayPort 1.2 Redriver with DDC/AUX CH Switch
Description
PI3DPX1202A is DisplayPort 1.2 standard compliant, very
low power DP Redriver.
The device can read the Aux-channel Link Training (LT)
Swing and Pre-emphasis data between Transmitter and
Receiver, configure the output swing / Pre-emphasis, and
automatically calculates EQ based on Swing/Pre-emphasis
LT values through the built-in Aux listener. EQ can pro-
gram by the I2C serial interface.
The device can reduce signal jitter caused by transmission
line effects, and compensate for the PCB-related frequency
and switching-related loss to provide optimum DP perfor-
mance between the link.
ÎÎ ESD HBM protection 2kV
ÎÎ Package: 48-pin TQFN (7x7mm)
Typical Applications
ÎÎ Notebook, AIO and Desktop PCs
ÎÎ Graphic Cards
DP++ Host
CPU
dGPU
DP Mainlink(p/n)
Aux-ch(p/n)
DP1.2 Redriver
+ Aux/DDC Switch
DisplayPort
Connector
Features
NoteBook PC DP++ Redriver
ÎÎ Dual mode DisplayPort Redriver, DP 1.2 Specification
compliant
ÎÎ Support all 1.62 / 2.7 / 5.4 Gbps data rate with DDC/
Aux signal switching
ÎÎ High speed inputs with internal 50 Ohm pull-down
ÎÎ Ultra Low-power design
ÎÎ Dual mode DisplayPort Input/Output with TMDS clock
Frequencies up to 340 MHz
ÎÎ Aux Listener support link training and configure output
level, pre-emphasis setting during link initialization.
Aux Listener supports "sink Request test mode"
ÎÎ Pseudo-adaptive equalization based on signal level and
pre-emphasis setting in Aux register
ÎÎ CNTRL provides pin control EQ, Output Voltage Swing
and Pre-Emphasis
ÎÎ DP and TMDS output mode selection with Cable
Detection pins
ÎÎ Support Hot Plug Detect and Cable Detect function
ÎÎ Individual lane power down automatically when no DP
signal present
ÎÎ DP redriver enter power down state to reduce current
consumption when sink device deserted
ÎÎ Power Supply : 3.3V
Figure: NB Application Block Diagram
Ordering Information
Ordering
Code
PI3DPX1202A2
ZBE(X)
PI3DPX1202A2
ZBIEX
PI3DPX1202A1
ZBE(X)
Package
Code
ZB
ZB
ZB
Package Type
3.3V only power, Pb-free &
Green, 48-pin TQFN, Tray(Tape/
Reel)
Industrial Temperature
3.3V only power, Pb-free &
Green, 48-pin TQFN, Tape/Reel
3.3V only power, Pb-free &
Green, 48-pin TQFN, Tray(Tape/
Reel)
Suffix: I = Industrial Temperature, E = Pb-free and Green, X = Tape/Reel.
PI3DPX1202A
Document number: DS40115 Rev.2-1
1 of 51
www.diodes.com
September 2017
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PI3DPX1202A Datasheet

Low power DisplayPort 1.2 Redriver

No Preview Available !

A product Line of
Diodes Incorporated
PI3DPX1202A
2.  General Information
2.1  Revision History
Revision
Mar 2017
Apr 2017
May 2017
Jun 2017
Changes
Release. Always Automatic EQ control through Aux channel listener or I2C programmable control mode support
Ch3: Functional description to simplify.
Ch4: Min temp changed 0 to -40 deg C for I-temp support. ICC measurement data updated with different Pre-
emphasis and Voltage swing setting condition.
Ch5: Add Aux-listener redriver latency information & power mW comparison data
Ch3: Improved Functional description
Power-up / Reset timing added in functional session
Eye waveforms by Pre channel length added in application session
2.2  Similar Products Selection Guide
PI3DPX1202A2
Version
DP 1.2, DP++ 1.2
Recommenda- New DP 1.2 Design
tion Power, BOM sensitive
system
PI3DPX1202A1
DP 1.2, DP++1.2
PI3EQXDP1201 Pin-to-
pin replacement
PI3EQXDP1201
DP 1.2, DP++1.2
Not recommend
Redriver Type
EQ mode
Auto_EQ pin
New Features
Availability
Limiting-type Redriver,
Depend Aux listener for
automatic Device setting
control
Same as PI3DPX1202A1
Auto, I2C and Fixed EQ
setting
Auto EQ, I2C setting
only
Auto EQ pin: Tri-state
mode to control Auto EQ/
Fixed EQ and I2C mode
0: Disable
1: Enable
M: Pin-control EQ mode
No Auto EQ pin control
pin. Internally Pull-Up
to VDD for always for
Pin-to-Pin with PI-
3EQXDP1201
Low-power design 136mA @ 400mV, 0dB setting.
Increase Aux Listener FIFO size.
Drop-in Pin out compatible with PI3EQXDP1201.
Production
Production
Same as PI3DPX1202A1
Auto, I2C and Fixed EQ
setting
Internal 100kΩ pull up.
0 = Fixed EQ
1 = Auto EQ
300mA @ 400mV, 0dB
setting
EOL
PI3DPX1203B
DP 1.4, DP++ 1.4
Variable Frame Rate ap-
plication, latency critical
system
DP1.4 Data Rate system
Linear-type Redriver
No need Aux listener for
Automatic Device setting
control
EQ setting 4-bit with Pin or
I2C mode.
None
Latency Free, Not blocking
linked channels and boost
Receiver DFE performance
Production
PI3DPX1202A
Document number: DS40115 Rev.2-1
2 of 51
www.diodes.com
September 2017
© Diodes Incorporated


Part Number PI3DPX1202A
Description Low power DisplayPort 1.2 Redriver
Maker Diodes
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