Overview
The DS90UB941AS-Q1 is a dual DSI to FPD-Link III bridge serializer designed specifically for automotive infotainment applications. This device, manufactured by Texas Instruments, is AEC-Q100 qualified, ensuring it meets the stringent requirements for automotive electronics. It supports high-speed video transmission and is capable of handling various display resolutions, making it a versatile component for modern automotive systems.
Key Specifications
| Specification | Details |
|---|---|
| Package | 64-VQFN (9x9) |
| 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 | Up to 105 MHz (single link), up to 210 MHz (dual link) |
| Mounting Type | Surface Mount |
Key Features
- AEC-Q100 qualified for automotive applications with an operating temperature range of -40°C to 105°C.
- Supports pixel clock frequencies up to 210 MHz for various resolutions such as 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, supporting 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 video and audio data transmission and full duplex control, including I2C communication and up to eight I2S audio channels.
- EMI minimization through low voltage differential signaling, data scrambling, and randomization.
Applications
- Automotive Infotainment Systems:
- 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, converting MIPI DSI input into FPD-Link III output.
- What are the supported pixel clock frequencies for the DS90UB941AS-Q1?
The device supports pixel clock frequencies up to 105 MHz for single link and up to 210 MHz for dual link configurations.
- What types of cables can be used with the DS90UB941AS-Q1?
The device can transmit data over 50 Ω single-ended coaxial cables or 100 Ω differential shielded twisted-pair (STP) and shielded twisted-quad (STQ) cables.
- What is the operating temperature range of the DS90UB941AS-Q1?
The operating temperature range is -40°C to 105°C.
- Does the DS90UB941AS-Q1 support symmetric and asymmetric video splitting?
Yes, it supports both symmetric and asymmetric video splitting.
- What is the data rate per lane for the DS90UB941AS-Q1?
The data rate per lane is up to 1.5 Gbps.
- How does the DS90UB941AS-Q1 minimize EMI?
EMI is minimized through the use of low voltage differential signaling, data scrambling, and randomization.
- What types of audio channels are supported by the DS90UB941AS-Q1?
The device supports up to eight I2S audio channels over the same high-speed serial link.
- Is the DS90UB941AS-Q1 compliant with automotive safety standards?
Yes, it is AEC-Q100 qualified and functional safety-capable, with documentation available to aid ISO 26262 system design.
- What is the package type and size of the DS90UB941AS-Q1?
The device comes in a 64-VQFN (9x9) package.
