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PASSIVE POWER MANAGEMENT FOR ELECTROMAGNETIC VIBRATION CONVERTER

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Emna

New Member
HELLO,
I'm trying to implement a passive power management circuit to convert the low ac voltage (0.3v-07v) of the electromagnetic harvester and boost the value to have at the end a DC output voltage in the range of 2v.
I start with the ac/dc converter which is a full_wave rectifier based on MOSFETs I got a good voltage efficiency from 0.5v so I adapted it.
now a dc/dc boost converter is needed to get an output which can be stored or utilised by a sensor.
I looked for a Self-oscillating dc/dc boost converter.
I try this circuit but I doesn't work correctly
upload_2017-5-18_18-7-17.png

if anyone can help me or have an idea please write to me.
thank you.
 

Emna

New Member
HELLO,
I'm trying to implement a passive power management circuit to convert the low ac voltage (0.3v-07v) of the electromagnetic harvester and boost the value to have at the end a DC output voltage in the range of 2v.
I start with the ac/dc converter which is a full_wave rectifier based on MOSFETs I got a good voltage efficiency from 0.5v so I adapted it.
now a dc/dc boost converter is needed to get an output which can be stored or utilised by a sensor.
I looked for a Self-oscillating dc/dc boost converter.
I try this circuit but I doesn't work correctly
View attachment 106048

if anyone can help me or have an idea please write to me.
thank you.
 
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Not open for further replies.

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