USB Type-C™ datalines and ‘Alternate Mode’ Advanced protection solutions Fundamentals Is this presentation suited for you? Where do you stand with USB Type-C™ datalines? Beginner? Intermediate? Advanced? I am not familiar with this subject. I am in the discovery phase and would like an overview and a basic understanding of the technology. I have a basic understanding of this subject. I would like to go deeper in details and tackle more aspects of this subject. I am very familiar with this subject. I would like to deepen my knowledge and become an expert. Click here to continue to next slide Click here to continue to next slide Click here to continue to next slide Overview Fundamentals In depth 2 USB Type-C™ ‘One connector to rule them all’ Alternate Mode Alternate Mode *With DP to HDMI converter Merging USB Type-C™ protocols Alternate Mode Before, there were 7 connectors for 7 protocols. Now with USB Type-C™: 1 single connector for 7 protocols. 3 Alternate Mode through USB Type-C™ connector Plug • Alternate Mode dedicates physical wires in the USB Type-C cable for direct device-to-host transmission of alternate data protocols: High Speed Data Path (RX for USB, or TX for DP Alt Mode) USB 2.0 Interface A12 A11 A10 A9 A8 GND RX2+ RX2- VBUS SBU1 A7 D- A6 D+ GND TX2+ TX2- VBUS VCONN B1 B2 B3 B4 B5 B6 B7 Secondary Bus A5 CC SBU2 VBUS RX1B8 B9 B10 • One configuration pin can be used for Alternate Mode transmission (CC1 or CC) RX1 GND B11 B12 Cable Ground VCONN Plug Configuration Detection One becomes Vconnm cable power CC is used for USB – PD Communication • Two sideband pins (SBU) • Two USB 2.0 pins for dock, detachable device and permanent cable applications only (D+/D-) A4 A3 A2 A1 VBUS TX1- TX1+ GND Cable Bus Power • • • Four high-speed lanes (RX/TX) High Speed Data Path (TX for USB, or for DP Alt Mode) Receptacle High Speed Data Path (RX for USB, or TX for DP Alt Mode) A1 A2 A3 A4 GND TX1+ TX1- VBUS USB 2.0 Interface High Speed Data Path (TX for USB, or for DP Alt Mode) A5 CC1 A6 D+ A7 D- A8 A9 A10 A11 A12 SBU1 VBUS RX2- RX2+ GND GND RX1+ RX1- VBUS SBU2 B12 B11 B10 B9 B8 DB7 D+ B6 CC2 B5 Secondary Bus VBUS TX2- TX2+ GND B4 B3 B2 B1 Cable Bus Power • • Plug Configuration Detection One becomes VCONN cable power CC is used for USB – PD Communication Cable Ground 4 Alternate Mode • Alternate Mode partner specifications The USB-IF is working with its Alternate Mode partners to make sure that ports are properly labeled: • DisplayPort Alternate Mode on USB Type-C Connector Standard published in September 2014, supporting DisplayPort 1.3 • MHL Alternate Mode (“Alt Mode”) announced November 2014 supporting MHL 3.0 • Thunderbolt Alternate Mode supporting Thunderbolt 3 • Other serial protocols such as PCI Express and Base-T Ethernet are possible. 5 Data on USB 2.0 and 3.1 Gen 1 & Gen 2 Parameters Datarate USB 2.0 SuperSpeed link USB 3.1 Low speed Full speed High speed Gen 1 Gen 2 Up to 1.5 Mbit/s Up to 12 Mbit/s Up to 480 Mbit/s 5 Gbit/s 10 Gbit/s Termination Not terminated 90 Ω differential 45 Ω to ground Signaling output low level VOL = 0 to + 0.3 V VOL = −10 to + 10 mV Signaling output high level VOH = 2.8 to 3.6 V VOH = +360 to +440 mV Signaling Differential voltage swing 6.6 VP-P typ. 800 mVP-P typ. 72 to 120 differential 18 to 30 to ground 1 VP-P typ. 0.4VP-P min, 1.2VP-P max VBUS voltage 5 V typ. 4.4 V min, 5.5 V max for standard A downstream port VBUS max. current 900 mA for standard A downstream port 6 2 challenges to overcome Need for common-mode filtering solution Need for ESD protection solution USB 3.1 Signal transmission : @ 5 Gbit/s Gen 1 @ 10 Gbit/s Gen 2 External connector Generation of parasitic harmonics @ 2.4 GHz Vulnerable to ESD Wi-Fi and Bluetooth antenna desense* (Wi-Fi and Bluetooth frequency carrier = 2.4 GHz) Increase Bit Error Rate and/or increase the power consumption of the RF chain Common Mode filter needed Connector controller internal ESD HBM protection are not enough External ESD protection solution needed (IEC 61000-4-2) Best solution ECMF™ *More on antenna desense and ECMF™ here 7 Embedded ESD protection ESD protection CMF (Common-mode filter) Low-dispersion semiconductor process Advanced technology for optimized performances Very small size High and deep rejection Low-clamping voltage ECMF™ 8 ECMF™ for USB Type C Alternate Mode Compatible with USB-PD* Pin P/N Total SSTx / SSRx ECMF04-4HSWM10 2 VBUS ESDA13P70-1U1M VBUS PD controller CC1/CC2 1 CC1 CC2 SBU1 SBU2 ESDALC5-1BF4 4 Dp/Dn ECMF02-2HSMX6 1 Audio Type C 1 pair Dp/Dn D1+ Compatible USB 10 9 3 8 4 7 D2+ Display Port Thunderbolt Up to DP.1.3 USB3.x/DP MUX B4 A5 B5 4 pairs SSTx/SSRx B8 A6 A7 B7 B6 A2 A3 B11 B10 A10 A11 B3 B2 D2+ D25 6 1 10 2 9 3 8 D1+ D1+ D1- D1- D2+ Up to TBT Gen 1 A8 D1- D2- Yes, 12V B9 D1+ 1 2 D1- Up to USB3.1 Gen 1 USB-PD* A9 SBU1/SBU2 DP AUX/Audio MUX USB2.x/Audio MUX A4 D2+ 4 7 5 6 D2- D2- *GND not represented Best integrated solution to avoid antenna desense *USB-PD: USB Power Delivery. More here Click to know more about ECMF™ 9 Zoom on ECMF04-4HSWM10 10 S21dd Measurement HDMI 2.0 4K/2K Eye Diagram ECMF04-4HSWM10 APLAC 8.21 User: F:Cust# 8463:STMicroelectronics - Tours:AWR Corporation:RP=111 0 SDD21 -1 No impact on the signal integrity of USB 3.1, Display Port and more dB -2 -3 -4 fcut-off @ -3dB = 4.2 GHz -5 10M 30M 100M 300M F/Hz 1G 3G Large bandwidth Lane #1 Eye diagram PASSED Lane #2 S21cc Measurement ECMF04-4HSWM10 APLAC 8.21 User: F:Cust# 8463:STMicroelectronics - Tours:AWR Corporation:RP=111 0 SCC21 -5 Improve antenna sensibility dB -10 -15 -20 Wide rejection from 1 to 6 GHz Attenuation : -25 -28 -30 dB @ 2.4 GHz -16 -35 dB @ 5 GHz -15 dB from 1 to 6 GHz -40 10M 30M Lane #1 100M 300M F/Hz 1G 3G Lane #2 ESD measurement +8 kV contact Protect transceivers against overvoltages Surge voltage +8 kV VCL @ 30 ns 13.1 V Low-clamping voltage EMI filtering & ESD protection for USB datalines Data rate (bit/s) System-level ESD protection (IEC 61000-4-2 Level 4 ) + Common-mode filter (ECMF) 10G ESDARF02-1BU2CK USB 3.1 Gen 2 5G HSP051-4N10 1-line ESD ST0201 (0.6 x 0.3 x 0.3 mm) 4-line ESD QFN (1.85 x 0.95 x 0.32 mm) USBULC6-2N4 HSP051-4M10 2-line ESD QFN (1.0 x 0.8 x 0.5 mm) 4-line ESD QFN (2.50 x 1.00 x 0.47 mm) 4 x ESD + 2 x CMF ECMF02-2HSMX6 ECMF04-4HSWM10 2 x ESD + 2 x CMF 4 x ESD + 2 x CMF QFN (1.70 x 1.50 x 0.5 mm) USBLC6-2P6 2-line ESD + VBUS 6 V SOT-666 (1.6 x 1.6 x 0.53 mm) USB 2.0 4 lines QFN (2.60 x 1.35 x 0.5 mm) ECMF02-2AMX6 ECMF02-4CMX8 3 x ESD + 2 x CMF 3 x ESD + CMF + VBUS TVS 16 V QFN (1.70 x 1.50 x 0.5 mm) 1 or 2 lines ECMF4-20A42N10 QFN (2.20 x 1.35 x 0.4 5mm) USB 3.1 Gen 1 480M SOON 2 lines QFN (2.60 x 1.35 x 0.5 mm) 4 lines ECMF = Common-mode filter with integrated ESD protection Click here to know more about ECMF™ 11 Let’s go further Overview information Fundamentals In-depth information Selection & sampling 12 USB type-C™ advanced protection quick start guide USB 2.0 protection and IPADTM solutions presentation USB type-C™ power delivery advanced protection presentation IEC 61000-4-5 standard overview Application note #AN4275 ESD - IEC 61000-4-2 standard testing Application note #AN3353 TVS short pulse dynamic resistance measurement ... Application note #AN4022 Protection devices & integrated EMI filtering selection guide USB port protection web product selector USB IPAD™ (including ECMF™) web product selector Thank you