type-c technologies and solutions - keysight...2016/12/20 · 2016.12.20 –type-c overview...
TRANSCRIPT
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– Type-C Overview
– Type-C PD Solutions
– USB 3.1 Simulation Solutions
– USB 3.1 TX/RX Solutions
– USB 3.1 Cable/Connector Solutions
– Thunderbolt 3 Solutions
– DisplayPort Solutions
– Summary
Agenda
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Type-C Overview
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Industry Drivers for Type-C
– New form-factor
• Smaller size
• Reversible plug orientation
• Reversible cable direction
– Establishes power delivery
• Scalable charging to 100W
• Power direction, data direction, Vconn swap
– Enables adoption by other standards
• ALT (Thunderbolt, DisplayPort, MHL, HDMI)
and Accessory Mode (Audio)
• Future scalability
– Legacy Compatibility
• USB 2.0, USB 3.1 Gen 1, BC 1.2
• 5V Vbus start
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USB Type C-Signal Plan
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Type-C Power Delivery
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USB-PD vs Type-C vs USB speeds• Is Type-C the same as USB-PD?
• Can Type-C not implement PD?
• Must USB 3.1 implement Type-C?
• Does USB 3.1 require PD?
• Can USB 2.0 implement Type-C?
• Does USB-PD require Type-C?
• Must a charger implement Type-C?
• How do you tell if a product has PD implemented?
• Can USB 3.0 implement Type-C?
• Will PD compliance be mandatory?
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Type-C Power Delivery Testing
• 3 Chapters (PHY, Protocol, Power) in the Power Delivery Spec
responsible for:
• Charge devices up to 20V/5A/100W
• Cable functionality
• Provider/Consumer
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USB-PD Test Solutions Overview
• N7020A PD Probe
• N7016A PD Test Fixture
• N8837A PD Decode SW
• N8833A Crosstalk Analysis SW
• Portfolio of Power Sources and Loads
• GRL USB-PD PHY Compliance Solution
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USB 3.1 Design Simulation
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USB3.1 Compliance Test BenchRun the Same Keysight Compliance App on Your Simulation and Your
Prototype
Design and simulate…
ADS “Waveform
Bridge”: Script that
writes file format
that ‘scope
compliance app
understands
…then fabricate with confidence…
Physical test bench with prototype Keysight Infiniium
oscilloscope with
compliance app11
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USB 3.1 PHY Simulation to Compliance: Get simulated waveforms
Host Side:
Tx_AMI,
Host PCB traces,
Via field
Cable Assembly:
S-ParametersDevice Side:
Rx_AMI,
Device PCB traces,
Via field
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USB 3.1 TX/RX Solutions
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U7243B Tx Compliance Test SW
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Type C
receptacleIc pins
chipHost Routing
Ic pinsType C
Receptacle
chipHost Routing
OR
Tx Test Configuration
C cableMathematically Embed
CTLE and DFE
Mathematically Embed
Channel Model + CTLE
and DFE
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• Compliance test capability for USB 3.1,
DisplayPort 1.3,
Thunderbolt 3, MHL
• Best signal integrity: 20 GHz bandwidth
(@-3dB), de-embeddable up to 30 GHz
• Type C plug interface fixture handling
connector “flip”
• Provides test point and probing access
for transmitter and power delivery
measurements
• Provides the elements to seamlessly
leverage Keysight’s portfolio of
compliance test applications
Signal Integrity and USB-PD Debug Fixtures
* 3 dB BW=20GHz 5 dB BW=~30GHz
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USB 3.1 Gen1/Gen2 Receiver Test Setup
Key capabilities:
• Analysis of coded & retimed data
• Support of 8b/10b and 128b/132b HW coding and decoding as well as HW scrambling
• Generates calibrated stress conditions for RX test (SSC, SJ, RJ, De-emphasis, ISI)
• Emulate LFPS 3-level signals with built-in electrical idle for loopback training and via channel
• Integrated Link Training, Tx Eq, Noise Impairment, Variable ISI, Receiver
Equalizer/Eye Opener
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USB 3.1 Cable and Connector Test Solutions
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New Compliance MethodologyChannel MetricsThere are three signal integrity impairments that impact the end-to-end link
performance: attenuation, reflection and crosstalk.
Reference: USB-IF Technical White Papers http://www.usb.org/developers/docs/whitepapers/
“Methodology Used to Determine SuperSpeed USB 10 Gbps (USB 3.1) - Gen2 Channel and Cable Assembly High Speed Compliance”
The channel metrics represents these three
impairments:
• Insertion loss fit at Nyquist frequency (ILfitatNq)
• Integrated multi-reflection (IMR)
• Integrated crosstalk (IXT)
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Cable Shielding Effectiveness
Managing RF Interference
Coupling Factors
(Sds21/Scs21)
Cable Shielding Effectiveness Test Fixture
(Under development by USB-IF)
1 m Long USB Cable
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USB 3.1 Cable/Connector Compliance TestTypical Configuration
Test Fixtures•Method of
Implementation (MOI)
document and
instrument setup file are
available for free
download on
Keysight.com
•ENA Mainframe [1]
•E5071C-4D5: 4-port, 300 kHz to 14 GHz
•E5071C-4K5: 4-port, 300 kHz to 20 GHz
•Enhanced Time Domain Analysis Option (E5071C-TDR)
•ECal Module (N4433A)
[1] 20 GHz option is recommended, since the Type-C cable/connector requires measurements up to 15 GHz.
[2] The list above includes the major equipment required. Please contact our sales representative for configuration details.
www.keysight.com/find/ena-tdr_compliance
Fixtures for testing USB 3.1 /
Type-C connectors and cable
assemblies are available for
purchase through Luxshare-ICT.
http://web.luxshare-ict.com/en/
Automated USB Cable and
Connector Test
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Thunderbolt 3 Solutions
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– Announced in Q2 2015
– Uses the Type-C connector
– Channel aggregation: two independent 20Gbps links into one logical
40Gbps link
– Supports other standards through ALT mode
– Cost competitive vs mult—chip, discrete, mux solutions
Thunderbolt 3 Overview
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– PHY testing approach will be similar to Thunderbolt 2
• Tx, Rx, and Return Loss
Plus
• Type-C Power Delivery
• DP, USB over Type-C
– Customers with Thunderbolt DUTs need to work with their Intel PAE
or authorized test house for compliance certification
– Keysight can help with pre-compliance testing and is authorized in
CTS for TX, RX, and Return Loss.
Testing Methodology
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DisplayPort Solutions
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TX Test Setup for DP over USB Type-C
Fixtures
N7015A
Connector:
Type C
N7016A
Keysight TPAs
USB C to DP cable
High Speed Phy test
AUX Phy test
AUX Automation
Unigraf
DPR-100
Fixtures
N7015A
Connector:
Type C
N7016A
Keysight TPAs
Power
Delivery
Controller
USB C cable
High Speed Phy test
AUX Phy test
AUX Automation
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Test Software Facilitation
Device Definition to Run Test
Device Definition
Test Connection
Test Selection
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