Overview
The DS90UB941AS-Q1 is a dual DSI to FPD-Link III bridge serializer designed specifically for automotive infotainment applications. Manufactured by Texas Instruments, this component is AEC-Q100 qualified, ensuring it meets stringent automotive standards. It is capable of serializing MIPI DSI input signals and transmitting them over cost-effective, high-speed serial links. This serializer is part of a comprehensive solution that includes compatible deserializers, enabling the transmission of video and audio data along with full duplex control and I2C communication.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 64-VQFN Exposed Pad (9x9 mm) |
| Operating Temperature Range | -40°C to 105°C |
| Data Rate | Up to 1.5 Gbps per lane |
| Input Type | MIPI DSI |
| Output Type | FPD-Link III, LVDS |
| Number of Inputs | 4 (dual DSI input ports with up to 4 data lanes each) |
| Number of Outputs | 2 (single and dual FPD-Link III outputs) |
| Supply Voltage | 1.045V ~ 1.155V, 1.71V ~ 1.89V |
| Pixel Clock Frequency | Single link: up to 105 MHz, Dual link: up to 210 MHz |
| Mounting Type | Surface Mount |
Key Features
- AEC-Q100 qualified for automotive applications with a device temperature grade 2: -40°C to +105°C.
- Supports pixel clock frequencies up to 210 MHz for various resolutions including 3K, QXGA, 2K, WUXGA, and 1080p60 with 24-bit color depth.
- MIPI D-PHY / Display Serial Interface (DSI) receiver with high-bandwidth interface to video processor or FPGA.
- Dual DSI input ports with up to 4 data lanes each and up to 1.5 Gbps per lane.
- Superframe with symmetric and asymmetric unpacking capability.
- ECC and CRC generation.
- Virtual channel capability.
- Single and dual FPD-Link III outputs.
- Supports symmetric and asymmetric video splitting.
- Consolidates video data over two differential pairs to simplify system design and reduce interconnect size and weight.
- FPD-Link III interface supports video and audio data transmission, full duplex control, including I2C communication and up to eight I2S audio channels.
- Minimizes EMI through low voltage differential signaling, data scrambling, and randomization.
Applications
- Automotive Infotainment Systems:
- In-Vehicle Infotainment (IVI) Head Units and HMI Modules
- Central Information Displays
- Digital Instrument Clusters
- Rear Seat Entertainment Systems
Q & A
- What is the primary function of the DS90UB941AS-Q1?
The DS90UB941AS-Q1 is a dual DSI to FPD-Link III bridge serializer designed for automotive infotainment applications.
- What are the operating temperature ranges for the DS90UB941AS-Q1?
The operating temperature range is -40°C to 105°C.
- What types of cables can the DS90UB941AS-Q1 support for data transmission?
The component supports transmission over 50 Ω single-ended coaxial cables or 100 Ω differential shielded twisted-pair (STP) and shielded twisted-quad (STQ) cables.
- What is the maximum pixel clock frequency supported by the DS90UB941AS-Q1?
The maximum pixel clock frequency is up to 105 MHz for single link and up to 210 MHz for dual link.
- Does the DS90UB941AS-Q1 support symmetric and asymmetric video splitting?
- What types of data can be transmitted over the FPD-Link III interface?
The FPD-Link III interface supports video and audio data transmission, full duplex control, including I2C communication and up to eight I2S audio channels.
- How does the DS90UB941AS-Q1 minimize EMI?
EMI is minimized through the use of low voltage differential signaling, data scrambling, and randomization.
- What is the package type and pin count of the DS90UB941AS-Q1?
The package type is 64-VQFN Exposed Pad with 64 pins.
- Is the DS90UB941AS-Q1 AEC-Q100 qualified?
- What are some of the compatible deserializers for the DS90UB941AS-Q1?
Compatible deserializers include DS90UB940N-Q1, DS90UB948-Q1, DS90UB924-Q1, DS90UB926Q-Q1, and DS90UB928Q-Q1.
- Does the DS90UB941AS-Q1 support functional safety capabilities?
