PMP9758

Low Noise CMOS Camera Supply Reference Design

PMP9758

Design files

Overview

This reference design details a power management circuit which is capable of supplying all rails of a CMOS camera supply.  All rails, even highly sensitive analog rails of the image sensor, can be supplied directly without the need of additional filters. This way the power management solution can acheive highest efficency. The implementation is based on 3 completely integrated step down converter circuits enabling a small total solution while still capable of handling up to 200 mA at each of the outputs.

Features
  • 3 low noise output voltage rails
  • Highest efficiency for all 3 output voltage rails
  • Small solution
  • Up to 200 mA output current per rail possible
  • Simple design, small BOM
  • Automotive qualified components
Output voltage options PMP9758.1 PMP9758.2 PMP9758.4
Vin (Min) (V) 5 5 5
Vin (Max) (V) 17 17 17
Vout (Nom) (V) 1.8 1.5 3.3
Iout (Max) (A) .2 .2 .2
Output Power (W) .36 .3 .66
Isolated/Non-Isolated Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC DC
Topology Buck- Synchronous Buck- Synchronous Buck- Synchronous

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.

TIDRC92.PDF (37 K)

Detailed schematic diagram for design layout and components

TIDRC93.PDF (21 K)

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

TIDC828.ZIP (76 K)

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

TIDRC94.PDF (149 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)

TPS62160-Q13V-17V 1A Automotive Step-Down Converters in 2x2SON

Data sheet: PDF
Buck converters (integrated switch)

TPS62170-Q13-17V 0.5A Automotive Step-Down Converter in 2x2 QFN package

Data sheet: PDF

Technical documentation

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Type Title Date
Application note Low-Noise CMOS Camera Supply Dec. 15, 2014

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