Power Reference Design for Positron Emission Tomography (PET) Scanner Processing and Control Board
PMP5754
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Description

A 12V-20V input, 95W, five (5) rail design for a PET Scanner control board with the TPS40303/304 PWM step-down controllers and Dual-Cool CSD16322Q5C NexFETs powering DDR core, DSP core, and analog circuitry like detectors, front-end amplifiers/filters and Analog-to-Digital Converters.

Features
  • 92% Efficiency
  • Frequency Spread Spectrum (FSS) to reduce EMI noise peaks
  • 3% voltage regulation tolerance
  • 25degC to +85degC Operating Temperature Range
  • 300KHz/600KHz Switching Frequency
  • 600mm2 total power supply area per voltage rail

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP5754.1
(Output Voltage 1)
Vin (Min) (V)12
Vin (Max) (V)20
Vout (Nom) (V)4
Iout (Max) (A)6
Output Power (W)24
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous
Designed forProcessor

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD16322Q5C  DualCool™ N-Channel NexFET™ Power MOSFET  MOSFETs  Not Available View Design Kits & Evaluation Modules
TPS40303  3V to 20V Input, 25A Synchronous Buck Controller with FSS, 300kHz  Step-down (buck)  Sample & Buy Not Available
TPS40304  3 V to 20 V input, 600 kHz, 25 A synchronous buck controller with FSS  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS40305  3V to 20V Input, 25A Synchronous Buck Controller with FSS, 1.2MHz  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS40303 Download Download
TPS40304 Download Download
TPS40305 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3136 15 Aug 2011
Design files (4)
Title Type Size (KB) Date
ZIP 740 05 May 2014
PDF 344 18 Aug 2011
PDF 110 04 Aug 2011
PDF 38 04 Aug 2011
Related Tools & Software

Software (1)



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