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Name: DS90UB954TRGZTQ1
Brand: Texas Instruments
SKU: DS90UB954TRGZTQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments DS90UB954TRGZTQ1

Part No.:: DS90UB954TRGZTQ1

Manufacturer:: Texas Instruments

Package:: 48-VFQFN Exposed Pad

Datasheet:: DS90UB954TRGZTQ1.pdf

Description:: 12-BIT 100MHFPD-LINK III DESERIA

In Stock:: 3289

Quantity:: Add To Cart

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DS90UB954TRGZTQ1 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
Automotive, AEC-Q101
ProductStatus:
Active
Function:
Deserializer
DataRate:
1.5Gbps
InputType:
FPD-Link III, LVDS
OutputType:
CSI-2, MIPI
NumberofInputs:
2
NumberofOutputs:
-
Voltage-Supply:
1.71V ~ 1.89V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

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DS90UB954TRGZTQ1 information

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DS90UB954TRGZTQ1 Typical application Circuitry

DS90UB954TRGZTQ1

The DS90UB954TRGZTQ1 by Texas Instruments is an automotive-qualified FPD-Link™ III deserializer, transforming serialized data streams back into parallel formats for automotive video applications. This chip is integral in creating robust, high-speed communication links between cameras and processing units in vehicles, supporting the advanced driver assistance systems (ADAS) that are becoming standard in modern automotive design.

Principal Features and Specifications:

- FPD-Link™ III Technology: Employs this technology to offer high-speed data transmission with excellent reliability over coaxial or shielded twisted-pair cables.

- Multi-Camera Support: Designed to interface with multiple serialized video sources, making it perfect for ADAS applications involving several cameras.

- High Data Bandwidth: Supports bandwidths sufficient for HD video, crucial for the clarity required in automotive safety systems.

- Automotive-Grade Durability: Manufactured to meet the rigorous standards of automotive applications, including extended temperature ranges and resistance to vibration.

- Diagnostic and Control Interfaces: Features I2C for device control and diagnostics, enhancing system maintainability and reliability.

Application Scenario: ADAS with Multiple High-Definition Cameras

In an Advanced Driver Assistance System (ADAS) that uses multiple high-definition cameras to provide a 360-degree view around a vehicle, the DS90UB954TRGZTQ1 acts as a central hub for video data deserialization and distribution.

Circuit Design Methodology:

1. Power Connections (AVDD, DVDD, PVDD, and GND Pins): Ensure that AVDD, DVDD, and PVDD are connected to a stable 3.3V power supply, crucial for maintaining operational stability. Ground (GND) connections should be solidly made to the vehicle's chassis ground. Place decoupling capacitors close to these power pins to filter out noise.

2. Serialized Video Input (RX0+, RX0-, RX1+, RX1- Pins): Connect the differential pairs from the serialized video output of cameras to these input pins. Proper termination and impedance matching are vital to preserve signal integrity and minimize reflections.

3. Configuration Interface (SDA, SCL Pins): Link these pins to the vehicle's central processing unit (CPU) via the I2C bus for dynamic configuration and diagnostics. Incorporate pull-up resistors to ensure the I2C bus operates correctly.

4. Parallel Video Output and Control (GPIO Pins): The deserialized video data is output through GPIO pins to the ADAS processing unit. These connections require careful routing to prevent signal degradation.

5. Activation and Monitoring (ENABLE, INT Pins): The ENABLE pin is used to activate the DS90UB954TRGZTQ1 when the system powers up. The INT (Interrupt) pin is connected to the CPU to flag critical events or diagnostics alerts, ensuring prompt system response to potential issues.

Design Considerations:

- EMI/EMC Management: Given the high-speed nature of the data and the automotive environment, EMI/EMC considerations are paramount. Utilize twisted-pair cabling, shielded paths, and grounding techniques to mitigate interference.

- Signal Routing: Differential signal pairs should be routed with care to maintain consistent impedance and minimize crosstalk, especially important in the compact confines of automotive applications.

- Thermal Management: Assess the thermal profile of the DS90UB954TRGZTQ1 within the circuit, implementing heat dissipation methods if needed to ensure reliability under all operational conditions.

- Power Supply Integrity: Implement robust power management practices, including the use of automotive-grade voltage regulators and comprehensive filtering, to protect against voltage spikes and drops common in vehicle power systems.

- Diagnostics and Fault Handling: Make full use of the DS90UB954TRGZTQ1's diagnostic capabilities to continuously monitor system health, designing the system for easy access to diagnostic data and facilitating swift responses to any identified issues.

Employing the DS90UB954TRGZTQ1 within an ADAS system leverages its capacity to process high-speed video data from multiple sources, reinforcing its role in enhancing vehicle safety and driver awareness. This setup demonstrates the chip's contribution to the sophisticated network of sensors and cameras that form the backbone of contemporary automotive safety technologies.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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