Subsection #742
Von Maximilian Seesslen vor etwa 2 Monaten aktualisiert
The inrush is super high and can lead to triggered fuse. Its bad for power supply and MOSFET.
To limit current to 2A and assuming R_Load is 0 Ohm, 72 Watt MOSFET is needed.
So the DI077P06D1-DIO is not overdesigned with its 110 Watt.
Im normalbetrieb (VGS=-4,5): V_MOSFET = 0,017 Ohm * 2 A = 0,034 V
0,034 V * 2 A = 0,068 W
#738
Op-Amp: TLV9361IDBVR; 40V
MOSFET: DI077P06D1-DIO
Gemessener Dauersatrom: 1,5A; max. Netzteil: 2,8A; Ziel-Hands-Off: 2A
1,5A; U_Shunt=0,45V; U_A=35,55V
* R1: 270+82K; R2: 27K+100K
2A: U_Shunt=0,6V; U_A=35,4V
* R1: 270+1,5K; R2: 27K+27K
2,5A: U_Shunt=0,75V; U_A=35,25V
* R1: 1K+1K; R2: 47K+47K
To limit current to 2A and assuming R_Load is 0 Ohm, 72 Watt MOSFET is needed.
So the DI077P06D1-DIO is not overdesigned with its 110 Watt.
Im normalbetrieb (VGS=-4,5): V_MOSFET = 0,017 Ohm * 2 A = 0,034 V
0,034 V * 2 A = 0,068 W
#738
Op-Amp: TLV9361IDBVR; 40V
MOSFET: DI077P06D1-DIO
Gemessener Dauersatrom: 1,5A; max. Netzteil: 2,8A; Ziel-Hands-Off: 2A
1,5A; U_Shunt=0,45V; U_A=35,55V
* R1: 270+82K; R2: 27K+100K
2A: U_Shunt=0,6V; U_A=35,4V
* R1: 270+1,5K; R2: 27K+27K
2,5A: U_Shunt=0,75V; U_A=35,25V
* R1: 1K+1K; R2: 47K+47K