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TGP-751 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers |
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TGP-751 Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers |
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9 / 35 page ![]() Micropelt - preliminary - Datasheet TE-CORE /RF v1.4 | Page 9 Thermoharvesting Wireless Sensor System Micropelt TE-CORE /RF 2.4 Output Power and Battery Benchmark The next table lists selected output characteristics of the TGP-751, integrated in a TE-CORE7 /RF Energy Har- vesting module in standard configuration and under standard lab conditions. The DC-DC booster is not used. For an easy matching with known battery consumption figures an annual ‘gross’ harvesting result is provided., assuming constant thermal conditions. The output voltage of the TGP-751 at a given external (gross) temperature differential is higher than the TGP-651 one. Hence the DC-DC booster starts at lower ∆T conditions. Better starting conditions may be achieved by using a more efficient heat sink, as men- tioned in the following table (at ambient 25ºC / 77°F): The TE-CORE / RF will start operation at an open circuit TGP voltage of typical 360 mV and therefore under the next temperature profile conditions: *Heat sink: Fischer Electronic, Sk422-33-SA TGP Output power and Battery-Equivalent (at 25°C ambient) Thot [°C] Uoc [Volt] Power [mW] Annually [mAh] Batteries [AA] TE-CORE7 /RF* EH module 40 0.56 0.36 2.102 1-2 50 0.96 1.1 6.424 3-4 60 1.4 2.2 12.848 > 6 Small HS (Sk422 33) Midsize HS (Sk422 50) Larger HS (Sk422 90) TE-CORE6 /RF 35.0 ºC [95.0 °F] 34.5 ºC [94.1 °F] 33.5 ºC [92.3 °F] TE-CORE7 /RF 33.5 ºC [92.3 °F] 33.0 ºC [91.4 °F] 32.0 ºC [89.6 °F] Small HS (Sk422 33mm Midsize HS (Sk422 50) Larger HS (Sk422 90) TE-CORE6 /RF 100% 125% 135% TE-CORE7 /RF 100% 130% 185% The next table describes the increase of output power with different heat sink sizes, which can be used in combination with the Energy Harvesting module: TE-CORE7 /RF with a bigger heat sink generates a sig- nificant increased output power, due to the lower ther- mal resistance of TPG-751. Whereas for TE-CORE6 /RF the advantages of large heat sinks are limited. |
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