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Production history | |||
---|---|---|---|
Designer | |||
Manufacturer | Various | ||
Produced | Since 24 February 2011[1] | ||
Superseded |
| ||
General specifications | |||
Length | |||
Width | 7.4 mm plug (8.3 mm receptacle) | ||
Height | 4.5 mm plug (5.4 mm receptacle) | ||
Hot pluggable | Yes | ||
Daisy chain | |||
External | Yes | ||
Audio signal | Via DisplayPort protocol or USB-based external audio cards. Supports audio through HDMI converters. | ||
Video signal | Via DisplayPort protocol | ||
Pins |
| ||
Connector |
| ||
Electrical | |||
Max. voltage | 18 V (bus power) | ||
Max. current | 550 mA (9.9 W max.) | ||
Data | |||
Data signal | Yes | ||
Bitrate | |||
Protocol |
| ||
Pinout | |||
Pin 1 | GND | Ground | |
Pin 2 | HPD | Hot plug detect | |
Pin 3 | HS0TX(P) | HighSpeed transmit 0 (positive) | |
Pin 4 | HS0RX(P) | HighSpeed receive 0 (positive) | |
Pin 5 | HS0TX(N) | HighSpeed transmit 0 (negative) | |
Pin 6 | HS0RX(N) | HighSpeed receive 0 (negative) | |
Pin 7 | GND | Ground | |
Pin 8 | GND | Ground | |
Pin 9 | LSR2P TX | LowSpeed transmit | |
Pin 10 | GND | Ground (reserved) | |
Pin 11 | LSP2R RX | LowSpeed receive | |
Pin 12 | GND | Ground (reserved) | |
Pin 13 | GND | Ground | |
Pin 14 | GND | Ground | |
Pin 15 | HS1TX(P) | HighSpeed transmit 1 (positive) | |
Pin 16 | HS1RX(P) | HighSpeed receive 1 (positive) | |
Pin 17 | HS1TX(N) | HighSpeed transmit 1 (negative) | |
Pin 18 | HS1RX(N) | HighSpeed receive 1 (negative) | |
Pin 19 | GND | Ground | |
Pin 20 | DPPWR | Power | |
This is the pinout for both sides of the connector, source side and sink side. The cable is actually a crossover cable. It swaps all receive and transmit lanes; e.g. HS1TX(P) of the source is connected to HS1RX(P) of the sink. |
Thunderbolt is the brand name of a hardware interface for the connection of external peripherals to a computer. It was developed by Intel in collaboration with Apple.[7][8] It was initially marketed under the name Light Peak, and first sold as part of an end-user product on 24 February 2011.[1]
Thunderbolt combines PCI Express (PCIe) and DisplayPort (DP) into two serial signals,[9][10] and additionally provides DC power via a single cable. Up to six peripherals may be supported by one connector through various topologies. Thunderbolt 1 and 2 use the same connector as Mini DisplayPort (MDP), whereas Thunderbolt 3, 4, and 5 use the USB-C connector, and support USB devices.
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