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

(ACTIVE) 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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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  25-100MHz 10/12-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)  Sample & Buy View Design Kits & Evaluation Modules
LP5907  250mA Ultralow-Noise Low-IQ LDO  Linear Regulator (LDO)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 3158 30 Nov 2015 131
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 1083 30 Nov 2015 91
PDF 23 30 Nov 2015 28
PDF 780 30 Nov 2015 60
PDF 325 30 Nov 2015 75


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