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Ben V. Brown
2020-12-31 12:32:00 +11:00
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Documentation/Power.md
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@@ -1,6 +1,6 @@
# Power & Performance
Both the TS100 and TS80 are PWM controlled resistive heating elements.
All of the irons are PWM controlled resistive heating elements.
This means that the electronics in the handle can only turn the heating element on and off.
This *means* that the power proivded in the tip is 100% controlled by the supply voltage used.
@@ -10,7 +10,7 @@ When the switch is on, the power in the resistor is `Current (I) times Volts (V)
Current through the resistor is `Volts (V) divided by Resistance (R)`.
Combining these two gives the common equation, power is `Volts (V) squared / Resistance (R)`.
The resistance of the tip is fixed, 8.5 ohms for the TS100 and 4.5 ohms for the TS80.
The resistance of the tip is fixed, ~7.5 ohms for the TS100/Pinecil and ~4.5 ohms for the TS80(P).
This means that for both irons, the power delivered to the soldering tip is proportional to the voltage used, squared.
This is why the TS100 performs poorly when run off 12V power supplies.