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Back Built-in DC metering sensor for charging gun
Parameters | Symbol | Value | unit |
Primary rated current | Ipn | 300 | A |
Secondary rated voltage | Isn | 80 | mA |
Primary maximum current | Ip | 360 | A |
Secondary output voltage | Is | 80 *(I / Ipn) | mA |
Sampling resistance(±12V @Ip) | Rm | 0~20 | Ω |
Supply voltage | Vc | ±12(±5%) | V |
Static current consumption(±12V @I=0A) | IC | ≤10 | mA |
Maxim current consumption(±12V @I=Ip) | Im | ≤120 | mA |
Accuracy(@0.01Ipn~0.05Ipn @25℃) | XG | 0.5 | % |
Accuracy(@0.05Ipn~Ipn @25℃) | XG | 0.2 | % |
Static zero output(@I=0A, @25℃) | IOE | <5 | μA |
Temperature effect on zero(I=0A,@-40~85℃) | VOT | <0.1 | mV/℃ |
Hysteresis offset voltage(@I=0A, after 1*IPN) | VOH | ≤±1 | mV |
Response time(@90% Ipn) | Tra | <5 | μS |
Bandwidth(@10%Ipn, -3dB) | BW | >100 | kHz |
Constant magnetic field influence quantity(@200mT) | δ | ≤2 | % |
Power frequency magnetic field influence quantity(400A/m) | δ | ≤1 | % |