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Automotive Camera Module Reference Design for Uncompressed Digital Video With Wide Vin Front End
PMP10653
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Key Document

Description

PMP10653.1 is an Optimized Automotive Camera Module Design for Uncompressed Digital Video over Coax cable. The design is broadly divided into four Blocks.

  1. Power Block: This design support Wide Vin, i.e., 4.5V-36V. LM53601 is used for first stage DC/DC conversion, which can deliver 1A at 3.3V output. This device is synchronous, fully integrated and 2.1MHz switching which results in highly integrated design. Two ultra-low noise LDOs (LP5907) are used to power noise susceptible image sensor as well as serializes.   
  2. Serializers: 12-bit Serializer DS90UB913A is used which offers a FPD-Link III interface with a high-speed forward channel and a bidirectional control channel for data transmission over a single coaxial cable or differential pair.
  3. Digital image Sensor: Omnivision’s OV10640 image sensor is used which utilizes backside illumination technology, enabling industry leading sensitivity.
  4. Power Supply filter:  One of the most critical portions of a design which uses Power over Coax is the filter circuitry. The goal is twofold: 1) deliver a clean DC supply to the input of the switching regulators; and 2) protect the FPDLink communication channels from noise coupled backwards from the rest of the system.

Features
  • Integrated Front end Supports Wide Vin
  • Spread Sectrum -Best in Class EMIperformance
  • High PSRR LDO  for enabling Superior image quality
  • 12-bit Serializer DS90UB913A and Image Sensor OVT10640 for Higher resolution Video
  • Filter design to avoid noise coupling in the system

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP10653.1
(Output Voltage 1)		PMP10653.2
(Output Voltage 2)		PMP10653.3
(Output Voltage 3)
Vin (Min) (V)4.83.33.3
Vin (Max) (V)303.33.3
Vout (Nom) (V)3.31.81.5
Iout (Max) (A)1.25.25
Output Power (W)3.3.45.375
Isolated/Non-IsolatedNon-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDCDC
TopologyBuck- SynchronousBuck- SynchronousBuck- Synchronous

TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DS90UB913A-Q1  25- to 100-MHz, 10-bit & 12-bit FPD-Link III serializer  FPD-Link SerDes  Sample & Buy View Design Kits & Evaluation Modules
LM53601-Q1  3.5V to 36V, 1A Synchronous 2.1MHz Step-Down Converter for Automotive Applications  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
LP5907  250-mA, low-noise, high-PSRR, ultra-low-dropout voltage regulator with low IQ and enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DS90UB913A-Q1 Download
LM53601-Q1 Download Download
LP5907 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 3158 30 Nov 2015
Design files (4)
Title Type Size (KB) Date
ZIP 1083 30 Nov 2015
PDF 23 30 Nov 2015
PDF 780 30 Nov 2015
PDF 325 30 Nov 2015

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