Need to step up voltage from 1.2V to 5V in seebeck pelteir plate setup

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SUMMARY

The discussion centers on the challenge of stepping up voltage from 1.2V, generated by a thermoelectric Peltier plate, to the required 5V for USB charging. The user initially considered using a charge pump for this voltage increase. However, a more effective solution is to utilize a Boost DC-DC converter, which is specifically designed for stepping up voltage levels efficiently. The user also inquired about the feasibility of replacing a solar panel with a Peltier plate in existing voltage step-up designs.

PREREQUISITES
  • Understanding of the Seebeck effect and thermoelectric generators
  • Familiarity with Peltier plates and their voltage output
  • Knowledge of Boost DC-DC converters and their applications
  • Experience with USB charging standards and voltage requirements
NEXT STEPS
  • Research Boost DC-DC converter designs and specifications
  • Explore the Seebeck effect in detail to optimize Peltier plate usage
  • Investigate charge pump circuits and their limitations compared to Boost converters
  • Examine existing projects that utilize Peltier plates for USB charging
USEFUL FOR

Engineers, hobbyists, and inventors interested in thermoelectric energy conversion, particularly those developing portable charging solutions using Peltier plates.

yigiter007
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My project is that I want to USB fire charger. Its a device that you place on or near fire that will use the Seebeck effect of a pelteir plate to charge a USB device.

So far I learned that i will only get 1.2 volts from a pelteir connected with a Schottky diode. USB ports need 5 V to charge any device.

I looked online on ways to step up voltage and the thing i found is a charge pump. Is the only way to step up voltages from 1.2 V to 5 V. I also found this link that steps up a solar panel voltage to 5 V, could the panel be swapped with a pelteir plate. (http://www.talkingelectronics.com/projects/SolarLight/PowerSupply5vSolar.html)

Thank you for your replies in advance.
 
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yigiter007 said:
My project is that I want to USB fire charger. Its a device that you place on or near fire that will use the Seebeck effect of a pelteir plate to charge a USB device.

So far I learned that i will only get 1.2 volts from a pelteir connected with a Schottky diode. USB ports need 5 V to charge any device.

I looked online on ways to step up voltage and the thing i found is a charge pump. Is the only way to step up voltages from 1.2 V to 5 V. I also found this link that steps up a solar panel voltage to 5 V, could the panel be swapped with a pelteir plate. (http://www.talkingelectronics.com/projects/SolarLight/PowerSupply5vSolar.html)

Thank you for your replies in advance.

Welcome to the PF.

Use a Boost DC-DC converter to step up your voltage:

http://en.wikipedia.org/wiki/Boost_converter

:smile:
 

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