PMP5412

Transformer-less, non-isolated AC to DC

PMP5412

Design files

Overview

This design provides a low-power, non-isolated DC rail from an AC source and has been used in but is not limited to smart meters and power monitors.

Output voltage options PMP5412.1
Vin (Min) (V) 120
Vin (Max) (V) 230
Vout (Nom) (V) 5
Iout (Max) (A) .75
Output Power (W) 3.75
Isolated/Non-Isolated Non-Isolated
Input Type AC
Topology Buck- Non Sync

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.

SLVU555.PDF (259 K)

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

SLVRAH5.PDF (44 K)

Detailed schematic diagram for design layout and components

SLVRAH6.PDF (73 K)

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

SLVC385.ZIP (99 K)

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

Products

Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

TPS642031.8 to 6.5 V input, 800 kHz, 95% efficient step-down controller, 20 uA, SOT-23

Data sheet document-pdfAcrobat PDF

Technical documentation

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Type Title Date
Technical article Power Tips: Low-power Bias supply - Linear, Buck, or Flyback? Aug. 05, 2014
Test report PMP5412 Test Results Sep. 16, 2011

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