1MD02040_TEG Datasheet, PDF (6/8 Pages) RMT Ltd. – Thermoelectric Power Generating Solutions

Thermoelectric Power Generating Solutions
Thermoelectric Generator Basics
Rteg
Resistance in
connected chain
Rload
Current I
TEG Resistance
(ACR value)
Resistances and TEG Efficiency
Thermoelectric generator best efficiency is reached at
Load Resistance (Rload) close to thermoelectric
generator resistance Rteg.
In most cases thermoelectric generator best efficiency is
reached at Rload/Rteg ratio in a range 1.2 - 1.4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
TEG Efficiency
0.2
0.1
0.00 0.60 1.20 1.60 2.20 2.80 3.40 4.00 4.60
Ratio Rload/Rteg
Output voltage and DC-DC converters
DC-DC converters are recommended to use with
miniature thermoelectric generators, especially in low dT
mode.
Uin
Uout
Rload
R
40mV DC-DC
2.4V
!
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Copyright 2014. RMT Ltd. The design and specifications of products can be changed by RMT Ltd without notice.
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