Overview
The DS90UB954-Q1, produced by Texas Instruments, is a versatile dual deserializer hub designed for automotive applications. It is capable of receiving serialized sensor data from one or two independent sources through an FPD-Link III interface. When paired with serializers like the DS90UB953-Q1, it supports high-resolution cameras, RADAR, Time-of-Flight (ToF), and LIDAR sensors, aggregating data into a MIPI CSI-2 compliant output for interconnect to a downstream processor. This component is AEC-Q100 qualified, ensuring reliability and performance in demanding automotive environments.
Key Specifications
| Specification | Value |
|---|---|
| Package | VQFN (RGZ) - 48 pins |
| Operating Temperature Range | -40°C to 105°C |
| CSI-2 Version | Version 1.3 |
| CSI-2 Data Rate | 400 Mbps, 800 Mbps, 1.5 Gbps, 1.6 Gbps per lane |
| Number of Data Lanes | 1, 2, 3, 4 |
| Cable Support | Single-ended coaxial or Shielded Twisted-Pair (STP) cable |
| I2C Speed | Up to 1 Mbps (fast-mode plus) |
| ESD Compliance | ISO 10605 and IEC 61000-4-2 |
Key Features
- Dual deserializer hub aggregating data from one or two independent sensors over FPD-Link III interface.
- Power-Over-Coax (PoC) compatible transceiver.
- MIPI DPHY Version 1.2 and CSI-2 Version 1.3 compliant.
- Supports 1, 2, 3, 4 data lanes with scalable data rates.
- Programmable data types and four virtual channels.
- ECC and CRC generation for data integrity.
- 2x2 Output replication mode for data logging and parallel processing.
- Ultra-low data and control path latency.
- Adaptive receive equalization for cable loss compensation.
- I2C with fast-mode plus up to 1 Mbps and flexible GPIOs for camera synchronization and diagnostics.
- Line fault detection and advanced diagnostics.
Applications
The DS90UB954-Q1 is primarily used in automotive applications, particularly for advanced driver-assistance systems (ADAS) and surround view technology. It supports high-resolution cameras, RADAR, ToF, and LIDAR sensors, making it ideal for integrating sensor data in automotive environments.
Q & A
- What is the DS90UB954-Q1 used for?
The DS90UB954-Q1 is a dual deserializer hub used in automotive applications to receive and aggregate sensor data from cameras, RADAR, ToF, and LIDAR sensors.
- What is the operating temperature range of the DS90UB954-Q1?
The operating temperature range is -40°C to 105°C.
- What types of cables does the DS90UB954-Q1 support?
It supports single-ended coaxial or Shielded Twisted-Pair (STP) cables.
- Is the DS90UB954-Q1 AEC-Q100 qualified?
Yes, the DS90UB954-Q1 is AEC-Q100 qualified for automotive applications.
- What are the data rates supported by the DS90UB954-Q1?
The DS90UB954-Q1 supports data rates of 400 Mbps, 800 Mbps, 1.5 Gbps, and 1.6 Gbps per lane.
- Does the DS90UB954-Q1 have error correction mechanisms?
Yes, it includes ECC and CRC generation for data integrity.
- What is the purpose of the adaptive receive equalization in the DS90UB954-Q1?
The adaptive receive equalization compensates for cable loss characteristics without additional programming.
- Can the DS90UB954-Q1 support multiple data lanes?
Yes, it supports 1, 2, 3, or 4 data lanes.
- What is the role of the I2C interface in the DS90UB954-Q1?
The I2C interface, with fast-mode plus up to 1 Mbps, is used for control and diagnostic purposes.
- Does the DS90UB954-Q1 have any replication mode?
Yes, it has a 2x2 Output replication mode for data logging and parallel processing.
