PMP9300

Power Solution for Aptina Image Sensor in Automotive Camera Modules Reference Design

PMP9300

Design files

Overview

The reference design provides a compact power solution (20x20mm board size) for the Aptina AR0132 image sensor in automotive camera modules. The design comes with a power supply board and a filter board. The power board has two sync-buck regulators, LM34919C and TPS62231, to provide 1.8V and 2.8V outputs. RC output filters are designed for the core, analog and I/O supply rails required by the image sensor in order to reduce the ripple and ensure proper power-up sequencing. The input voltage range is from 4.5V to 50V suitable for 12V automotive battery supply. The filter board is designed to enable the power over coax cable configuration, which allows transferring power and the FPD-Link III signal over one cable. There is also an input line filter option on both boards in case the power-over-coax configuration is not desired.

Features
  • Power supply designed for Aptina AR0132 image sensor in automotive camera
  • Miniature solution size 20x20mm
  • 1.8V and 2.8V output with output filter to cover the core, analog, I/O rails and ensure high image quality
  • 4.5-50V operating input voltage range, ideal for 12V automotive battery
  • Filter board allows transferring power and FPD-Link III signal over coax cable configuration

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU029.PDF (90 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDU003.PDF (704 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDR145.PDF (103 K)

Detailed schematic diagram for design layout and components

TIDR146.PDF (125 K)

Detailed schematic diagram for design layout and components

TIDR271.PDF (118 K)

Detailed schematic diagram for design layout and components

TIDR272.PDF (98 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDR273.PDF (107 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDC006.ZIP (45 K)

Design file that contains information on physical board layer of design PCB

TIDC007.ZIP (61 K)

Design file that contains information on physical board layer of design PCB

TIDU169.PDF (163 K)

PCB layer plot file used for generating PCB design layout

TIDU170.PDF (266 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Buck converters (integrated switch)

LM34919C-Q1Automotive 4.5-50V Wide Vin 600mA 2.6MHz Ultra-Small Constant On-Time Non-Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
Test report PMP9300 Application Diagram Dec. 10, 2013
Test report PMP9300 Test Results Oct. 15, 2013

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