龙迅半导体公司专注于高速接口芯片组（HDMI、 DP/eDP/eDPx、USB/Type-C、MIPI/LVDS、高速Repeater/Retimer、光收发模块、车载Serdes）和超高清显示芯片组的研发设计，为高清互通互联，高清多媒体显示及处理提供整体解决方案和技术支持。
公司自成立以来，始终坚持以自主创新驱动企业发展，通过产品的高效迭代、技术能力的持续升级构筑全方位的竞争优势，已掌握了多项国内领先或达到世界先进水平的核心技术，先后推出140余款芯片产品服务全球的客户，广泛应用于安防监控、视频会议、车载显示、显示器及商显、AR/VR、PC及周边、5G及AIoT等多元化的终端场景。公司的技术能力与产品性能近年来正持续受到国内外知名客户的认可，已成功进入鸿海科技、视源股份、亿联网络、脸书、宝利通、思科、佳明等国内外知名企业供应链；高通、英特尔、三星、安霸等世界领先的主芯片厂商已将公司产品纳入其部分主芯片应用的参考设计平台中。同时，公司热衷于与合作伙伴的深入交流，对新应用生态进行提前布局，通过自身的创新设计带给客户产品更好的竞争力，携手客户共同成长。
未来，公司将坚持深耕于高速混合信号芯片领域，以“为数字世界创新数模混合信号技术”为使命，致力于通过技术创新提供高性能的芯片解决方案，力争成为世界领先的高速混合信号芯片方案提供商。

Lontium DP MST HUB 选型表

DP MST HUB：

Product Selection

LT8712SeriesPackageVideo Input/OutputAudioPD3.0HDCPSST/MSTDSCOthersInputOutputLT8712XQFN76-9x9DP1.2/Type-C4lane@5.4Gbps/laneHDMI2.0+VGA4K60 MaxI2S/SPDIF√×SST Only×/LT8712EXCQFN88-10x10DP1.2/Type-C4lane@5.4Gbps/laneHDMI2.0+VGA 4K60 MaxI2S/SPDIF√√SST/MST×/LT8712EXIQFN128-14x14DP1.2/Type-C4lane@5.4Gbps/laneHDMI2.0x2+VGA4K60 MaxI2S/SPDIF√√SST/MST×/LT8712SXQFN88-10x10DP1.4/Type-C4lane@8.1Gbps/lane2xHDMI2.0/DP1.44K60 MaxI2S/SPDIF√√SST/MST√CC logicx2LT8713SXQFN128-14x14DP1.4/Type-C4lane@8.1Gbps/lane3xHDMI2.0/DP1.44K60 MaxI2S/SPDIF√√SST/MST√CC logicx3 Note 1.All resolutions are in RGB-8bit data format without DSC. 2.DSC : Display Stream Compression. The DSC Standard is a specification of the algorithms that are used to compress and decompress picture display streams. 3.MST : Multi-Stream Transport. MST Mode used for transporting multiple main video...

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Lontium Display Controller 选型表

Display Controller：

Product Selection

LT8619BLT8668EXLT8668SXCLT8668SXLT8668SX-DRXVideoInputHDMI1.43Gbps/laneHDMI1.43Gbps/laneAnd VGACombo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/lane2 x Combo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/lane2 x Combo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/laneAudio×I2S/SPDIF×I2S/SPDIFI2S/SPDIFTXHDMI/DP××Combo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/laneCombo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/laneCombo withHDMI2.1@8Gbps/laneDP1.4@8.1Gbps/laneLVDS2Port4lane@148.5MHz4Port4lane@148.5MHz×4Port x 5lane1.2Gbps/lane4Port x 5lane1.2Gbps/laneMIPI D-PHY×××4Port x 4lane2.5Gbps/lane4Port x 4lane2.5Gbps/laneMIPI C-PHY×××4Port x 3trio5.7Gbps/lane4Port x 3trio5.7Gbps/laneeDP××8lane with 5.4Gbps/lane8lane with 5.4Gbps/lane8lane with 5.4Gbps/laneeDPx××8lane with 3Gbps/lane8lane with 3Gbps/lane8lane with 3Gbps/laneAudioI2S/SPDIFI2S/SPDIFI2S/SPDIFI2S/SPDIFI2S/SPDIFDSC××√√√OthersIntegrated MCUSupport OSDIntegrated MCUSupport OSDIntegrated MCUSupport Type-CSupport CSC/OSDAEC-Q100 Grade2Integrated MCUSupport Type-CSupport CSC/OSDEmbedded LPDDR4Support FRC/RotationIntegrated MCUSupport Type-CSupport CSC/OSDPackageQFN76-9x9LQFP128-14x20QFN88-10x10BGA288-12x12Pin to Pin LT8668SX-DBGA288-12x12Pin to Pin LT8668SX

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT8619BQFN76-9x9HDMI to TTL/LVDS Converter, integrated MCUMP LT8668EXLQFP128-14x20LCD ControllerMP LT8668SXCQFN88-10x10High Definition Display ControllerMP LT8668SXBGA288-12x12 Pin to Pin LT8668SX-DHigh Definition Display ControllerMP LT8668SX-DBGA288-12x12 Pin...

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Lontium VGA Products 选型表

VGA Products：

Product Selection

HDMI to VGAVGA to HDMIHDMI/VGA MatrixHDMI to HDMI + VGALT8511ALT8511A-MLT8511EXLT8522XLT8522EXLT8612X-MLT8612SXLT8612UXRXHDMIHDMI1.32.25Gbps/laneHDMI1.32.25Gbps/laneHDMI1.43.4Gbps/lane×HDMI1.43.4Gbps/laneHDMI1.32.25Gbps/laneHDMI1.43.4Gbps/laneHDMI2.06Gbps/laneDual-mode DPDP++××√×××××VGA×××√√×××Audio Input×××I2S/SPDIFI2S/SPDIF×××TXHDMI×××HDMI1.32.25Gbps/laneHDMI1.43.4Gbps/laneHDMI1.32.25Gbps/laneHDMI1.43.4Gbps/laneHDMI2.06Gbps/laneVGA√√√×√√√√AudioI2S/SPDIFI2S/SPDIFI2S/SPDIF×I2S/SPDIF×I2S/SPDIFI2S/SPDIFMax Resolution1080P@60Hz1080P@60Hz4K@30Hz1080P@60Hz4K@30Hz1080P@60Hz4K@30Hz4K@60HzIntegrated MCU×√×××√×√PackageQFN64-9x9QFN64-9x9QFN64-9x9QFN64-9x9TQFP100-14x14QFN76-9x9LQFP80-12x12QFN76-9x9

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT8511AQFN64-9x9HDMI to VGA ConverterMP LT8511A-MQFN64-9x9HDMI to VGA ConverterMP LT8511EXQFN64-9x9HDMI to VGA ConverterMP LT8522XQFN64-9x9VGA to HDMI ConverterMP LT8522EXTQFP100-14x14HDMI 1.4 & VGA to HDMI 1.4...

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Lontium Display Driver 选型表

Display Driver：

Product Selection

LT87121LT78121LT89121LT98121LT8619CLT6912LT7912LT9712RXHDMI/DP×HDMI2.0DP1.4××HDMI1.43.4Gbps/laneHDMI2.06Gbps/laneCombo withHDMI2.1@10Gbps/laneDP1.4@8.1Gbps/lane×MIPI×××D-PHY:2Portx4lane@2.5Gbps C-PHY:2Portx3trio@5.7Gbps×××D-PHY:8lane@2.5Gbps/laneC-PHY:6trios@5.7Gbps/trioeDPxeDPx with 1/2/4/8lanes@3.75Gbps×eDPx with 1/2/4/8lanes@3.75Gbps×××××AudioI2S/SPDIF××I2S/SPDIF××I2S/SPDIFI2S/SPDIFTXHDMI/DPDP1.25.4Gbps/lane××××HDMI2.06Gbps/laneCombo withHDMI2.1@10Gbps/laneDP1.4/eDP1.5@8.1Gbps/laneCombo withHDMI2.1@12Gbps/laneDP1.4/eDP1.5@8.1Gbps/laneLVDS××××2Portx4lane1.05Gbps/lane4Portx4lane1.2Gbps/lane4Portx5lane1.2Gbps/lane×MIPI××D-PHY:4Port x4lane@2Gbps××D-PHY:4Port x4lane@2GbpsD-PHY:4Portx4lane@2.5GbpsC-PHY:4Portx3trio@5.7Gbps×TTL××××24bitRGB/BT656/BT1120×××eDPeDP1.4 with 4lane5.4Gbps/lane××××××eDP1.5 with 8lane8.1Gbps/laneeDPx×eDPx with 1/2/4/8lanes@3Gbps×eDPx with 1/2/4/8lanes@3.7Gbps×××eDPx with 1/2/4/8lanes3.75Gbps/laneAudio××××I2S/SPDIFI2S/SPDIFI2S/SPDIF×DSC××××××H-Active 7680DSC pass-throughOthersIntegrated MCUIntegrated MCU Support USB-CINIntegrated MCUAEC-Q100 Grade 3Integrated MCUIntegrated MCUIntegrated MCUPackageQFN64-7.5x7.5QFN88-10x10QFN76-9x9QFN76-9x9QFN128-14x14BGA288-12x12QFN88-10x10

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT87121QFN64-7.5x7.5eDPx to eDP/DP ConverterMP

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Lontium DP/USB-C to HDMI 选型表

DP/USB-C to HDMI：

LT8711VLT8711EH-CLT8711UXCLT8711UXDLT8711UXLT8711UXE1LT8711UXE2LT8711SXLT8711SXELT8711GXERXDP VersionSupport USB Type-CDP1.2-2lane5.4Gbps/laneDP1.2-4lane5.4Gbps/laneDP1.4-4lane8.1Gbps/laneDP1.4-2lane8.1Gbps/laneDP1.2-4lane5.4Gbps/laneDP1.2-4lane5.4Gbps/laneDP1.4-4lane8.1Gbps/laneDP1.4-4lane8.1Gbps/laneDP1.4-4lane8.1Gbps/laneDP1.4-4lane8.1Gbps/laneIntegrated USB3 SW×××××√√√√√TXVideoVersionVGA1080P60HDMI2.04K60HDMI2.04K60HDMI2.04K60HDMI2.04K60HDMI2.04K60HDMI2.04K60HDMI2.0 DP1.4HDMI2.0 DP1.4HDMI2.110Gbps/lane8K30/4K144PD3.0√×√√√√√√√√AudioI2S/SPDIF×××I2S/SPDIFI2S/SPDIFI2S/SPDIFI2S/SPDIF/TDMI2S/SPDIF/TDMI2S/SPDIFHDCP×√√√√√√√√√DSCDecoder / Encoder×××××××Decoder OnlyDecoder Only√DSC H-Active×××××××409640967680PackageQFN486x6QFN647.5x7.5QFN486x6QFN486x6QFN8810x10QFN8810x10QFN8810x10QFN8810x10QFN8810x10QFN88 10x10Others//Single CC/AEC-Q100Grade3//Daul CCThree CC/ Note: 1.Type-C have 4 lanes of high speed data channel. 2 lanes with DP1.4 @ 8.1Gbps can convers to HDMI2.0. The other 2 lanes can be configured as USB3.0 at the same time. 2.All resolutions are in RGB-8bit data format without DSC. 3.DSC : Display Stream Compression. The DSC...

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Lontium HDMI to DP/USB-C 选型表

HDMI to DP/USB-C：

Product Selection

LT9721LT6711ALT6711GXERXHDMI VersionHDMI1.43.4Gbps/lane - 4K30HDMI2.06Gbps/lane - 4K60HDMI2.110Gbps/lane - 8K30/4K144HDCP×1.4/2.21.4/2.3VRR××√Color Depth×8bit12biteARC××√TXVersioneDP1.4DP1.2DP1.4Data Rate2.7Gbps/lane5.4Gbps/lane8.1Gbps/laneHDCP×1.31.3/2.3 Adaptive-Sync××√Type-C support×√√DSCH-Active××7680Slices××1/2/4/8Pixel Clock××1.44GHzIntegrated microprocessor×√√PackageQFN64-7.5x7.5QFN64-7.5x7.5QFN88-10x10

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT9721QFN64-7.5x7.5HDMI to eDPMP LT6711AQFN64-7.5x7.5HDMI2.0 to DP1.2 with Type-CMP LT6711GXEQFN88-10x10HDMI2.1 to DP1.4 with Type-C, Enhanced VersionMP

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276 月2026年6月27日

Lontium USB2.0 Extender 选型表

USB2.0 Extender：

Product Selection

USB2.0 ExtenderLT8311XE-QLT8312LT8311SXLT8311EXSingle-ChipModeSupport√√××CableEthernet/USBEthernet/USB××Distance10m10m××Dual-ChipModeSupport√√√√CableEthernet/USB CableEthernet/USB CableEthernet/USB CableEthernet CableDistance20m Max20m Max60m Max120m MaxDemux×√××Control ModeI2C/GPIOBy external MCUI2C/GPIOBy external MCUIntegrated MCUI2C/GPIOBy external MCUPackageQFN16-4x4QFN20-4x4QFN64-7.5x7.5TSSOP20 Note: The extended distance is for reference only, that is affected by cable.

Technical...

276 月2026年6月27日

Lontium USB2.0 Repeater 选型表

USB2.0 Repeater：

Product Selection

USB2.0 RepeaterLT8311X1LT8311X3CompatibilityUSB 2.0, OTG 2.0 and BC 1.2USB 2.0, OTG 2.0 and BC 1.2Signal SupportHS, FS, LSHS, FS, LSFunctionAC Compensation ①√√DC Compensation ①×√ExtenderFPC Cable30cm60cmUSB Cable3m4mPackageQFN12-1.6x1.6QFN12-1.6x1.6Pin-to-PinLT8311X1 Note: 1.AC loss - due to capacitive load which will affects the edges. 2.DC loss -... 阅读更多

276 月2026年6月27日

Lontium MIPI/LVDS/TTL Converter/Repeater 选型表

MIPI/LVDS/TTL Converter/Repeater：

Product Selection

LT8918LT8918LLT89101LT89101LLT9211_U5LT2911R-DLT9211CLT9211DRXPorts12112221LVDSPixel Clock×148.5MHz Max148.5MHz Max×200MHz Max154MHz Max297MHz Max×MIPIVersion××1.8Gbps Max1.8Gbps Max1.8Gbps Max1.8Gbps Max2.5Gbps Max2.5Gbps MaxLanes/Port××1/2/3/4configurable1/2/3/4configurable1/2/3/4configurable1/2/3/4configurable1/2/3/48lane for CSI1/2/3/4configurableTTL24bit RGBBT656/BT1120×××24bit RGBBT656/BT112024bit RGBBT656/BT112024bit RGBBT656/BT1120×TXPorts11122222LVDSPixel Clock××148.5MHz Max148.5MHz Max200MHz Max154MHz Max297MHz Max297MHz MaxMIPIVersionD-PHY 1.11.5Gbps MaxD-PHY 1.11.5Gbps Max1.8Gbps Max×1.8Gbps Max1.8Gbps Max2.5Gbps Max×Lanes/Port1/2/3/4configurable1/2/3/4configurable1/2/3/4configurable×1/2/3/4configurable1/2/3/4configurable1/2/3/48lane for CSI×TTL××××24bit RGBBT656/BT112024bit RGBBT656/BT112024bit RGBBT656/BT1120×PackageQFN64-7.5x7.5QFN64-7.5x7.5QFN64-7.5x7.5QFN64-7.5x7.5QFN64-7.5x7.5QFN76-9X9QFN64-7.5x7.5QFN64-7.5x7.5ApplicationTTL to MIPILVDS to MIPIMIPI/LVDS RepeaterMIPI to LVDSMixedConverter/RepeaterMixedConverter/RepeaterMixedConverter/RepeaterMIPI to LVDSOthers////AEC-Q100 Grade 3Integrated DDRForRotation/FRCAEC-Q100 Grade 2AEC-Q100Grade 2

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT8918QFN64-7.5x7.5MIPI DSI/CSI-2 TransmitterMP LT8918LQFN64-7.5x7.5Dual-Port LVDS... 阅读更多

276 月2026年6月27日

Lontium HDMI/DP Matrix/Crosspoint 选型表

HDMI/DP Matrix/Crosspoint：

Product Selection

HDMI MatrixCrosspoint SwitchMixed SwitchLT8642UXELT86204UXLT86404UXLT8644LT8644EXLT84102MLT1258LT1258EXLT7941UXLT7622UXLT7642UXLT7642UXCLT7642GXVersionHDMI2.0HDMI2.0HDMI2.0HDMI1.4HDMI2.0HDMI2.1/DP1.4USB3.2 Gen1/DP1.4/HDMI2.0ComboDP1.4/HDMI2.0ComboDP1.4/HDMI2.0ComboDP1.4/HDMI2.1ComboData Rate6Gbps/lane6Gbps/lane6Gbps/lane3.4Gbps/lane6Gbps/lane8.1Gbps max12.5Gbps/laneHDMI: 6GbpsDP: 8.1GbpsHDMI: 6GbpsDP: 8.1GbpsHDMI: 6GbpsDP: 8.1GbpsHDMI: 12GbpsDP: 8.1GbpsMax Resolution4K60Hz4K60Hz4K60Hz4K@30Hz4K60Hz//4K604K604K608KInput4 x HDMI2 x HDMI4 x HDMI16 Channels16 C8hannels/8 Channels4 xDP1.4/HDMI2.0Combo2 xDP1.4/HDMI2.0Combo4 xDP1.4/HDMI2.0Combo4 xDP1.4/HDMI2.1ComboOutput 2 x HDMI4 x HDMI4 x HDMI16 Channels16 Channels/8 Channels2Port MIPIw/ C/D-PHYHDMI2.0 +4Port MIPIHDMI2.0 +4/2-Port MIPIHDMI2.1 +4Port MIPIHDCPHDCP2.3/2.2/1.4HDCP2.3/2.2/1.4HDCP2.3/2.2/1.4××/×HDCP2.3/1.4/1.3HDCP2.3/1.4/1.3HDCP2.3/1.4/1.3HDCP2.3/1.4/1.3CEC√√√××/×√√√√Integrated MCU√√√××/×√√√√Audio Input√√√××/×I2S/TDM/SPDIFIN/OUT comboI2S/TDM/SPDIFIN/OUT comboI2S/TDM/SPDIFIN/OUT comboI2S/TDM/SPDIFIN/OUT comboAudio OutputI2S/SPDIFI2S/SPDIFI2S/SPDIF××/×ARC/eARCARCARCARC××/×ARC/eARCARC/eARCARC/eARCARC/eARCPackageQFN128-14x14QFN128-14x14BGA288-12x12TQFP100-14x14QFN128-14x14QFN48-4.2x5.3QFN54-10x5.5QFN128-12.3x12.3QFN128-12.3x12.3BGA288-12x12QFN12812.3x12.3BGA288-12x12Others2x Down Scaler2x Down Scaler2x Down Scaler//2-to-1Analog switchRedriverRetimerMixed switchMixed switchMixed switchMixed switch

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT8642UXEQFN128-14x14HDMI2.0 4-In 2-Out Matrix Switch, Enhanced VersionMP 阅读更多

276 月2026年6月27日

Lontium HDMI Splitter 选型表

HDMI Splitter：

Product Selection

HDMI 1-IN 2-OUT SplitterHDMI 1-IN 4-OUT SplitterLT86102SXELT86102UXLT86102UXELT86104SXELT86104UXVersionHDMI1.4HDMI2.0HDMI2.0HDMI1.4HDMI2.0Data Rate3.4Gbps/lane6Gbps/lane6Gbps/lane3.4Gbps/lane6Gbps/laneMax Resolution4K@30Hz4K@60Hz-YUV4204K60Hz4K60Hz4K@30Hz4K@60Hz-YUV4204K60HzHDCPHDCP1.4×HDCP2.3/2.2/1.4HDCP1.4×CEC√×√√×IntegratedMicroprocessor××√××Audio Output××I2S/SPDIF××ARC××√××PackageLQFP80-12x12TQFP100-14x14QFN76-9x9LQFP128-14x20QFN128-14x14Others/no XTAL//no XTAL Note: All HDMI outputs can be displayed at the same time with the same resolution... 阅读更多

276 月2026年6月27日

Lontium HDMI/DP Switch 选型表

HDMI/DP Switch：

Product Selection

4-IN 1-OUT Switch3-IN 1-OUT Switch2-IN 1-OUT SwitchLT8641SXELT8641UXLT8641UXELT7641UXLT7641GXLT8631UXLT8631UXELT7621UXLT7621GXVersion4 x HDMI1.44 x HDMI2.04 x HDMI2.04 xHDMI2.0/DP1.4Combo4 xHDMI2.1/DP1.4Combo3 x HDMI1.43 x HDMI2.02 xHDMI2.0/DP1.4Combo2 xHDMI2.1/DP1.4ComboData Rate3.4Gbps/lane6Gbps/lane6Gbps/laneDP: 8.1G x 4laneHDMI: 6G x 3laneDP: 8.1G x 4laneHDMI: 12G x 4lane3.4Gbps/lane6Gbps/laneDP: 8.1G x 4laneHDMI: 6G x 3laneDP: 8.1G x 4laneHDMI: 12G x 4laneMax Resolution4K@30Hz4K@60HzYUV4204K60Hz4K60Hz4K60Hz8K4K@30Hz4K@60HzYUV4204K60Hz4K60Hz8KHDCPHDCP1.4×HDCP2.3/2.2/1.4HDCP2.3/2.2/1.4HDCP2.3/2.2/1.4××HDCP2.3/2.2/1.4HDCP2.3/2.2/1.4CEC√×√√√××√√Integrated Microprocessor××√√√××√√Audio OutputI2S/SPDIF×I2S/SPDIFI2S/SPDIF/TDMI2S/SPDIF/TDM××I2S/SPDIF/TDMI2S/SPDIF/TDMARC√×√√√××√√eARC×××√√××√√PackageTQFP100-14x14QFN128-14x14QFN128-14x14QFN128-12.3x12.3QFN128-12.3x12.3QFN64-9x9QFN64-9x9QFN88-10x10QFN88-10x10Others/no XTAL/Mixed switchMixed switchPin-to-PinLT8631UXEPin-to-PinT8631UXMixed switchMixed switch

Technical Documentation

Product NamePackageDescriptionStatusDownloadLT8641SXETQFP100-14x14HDMI1.4/2.0 4-in 1-out Switch with Digital Audio OutputMP 阅读更多