GO 15-SME current transducer
GO 15-SME current transducer

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Manufacturer: LEM

GO 15-SME current transducer

  • GO 15-SME
  • Accuracy 1.3
  • Rated Current [A] 15
  • Primary signal [AC / AC+DC / DC] AC+DC
  • Supply voltage [V] 5
  • Mounting [THT / SMD / DIN / Panel / On primary rail] SMD
  • App Renewable energy/Drives/Automotive batteries/Automotive drive
  • Output signal type [current/voltage] voltage
  • Minimum operating temperature [°C] -40
  • Maximum operating temperature [°C] 125
  • Frequency response (-3dB) [kHz] 300
  • Feedback loop [open / closed] // Eta technology open

Technical Specifications

Description

The GO-SME series is an integrated LEM current transducer designed to measure AC and DC currents in both industrial and automotive applications. Differential sensing technology allows the transducer to reject external field interference from a disturbing environment. Patented strain and temperature compensation algorithms are used to achieve excellent accuracy over a wide temperature range. The primary conductor (pins 1 to 4) has a very low electrical resistance of 0.9 mΩ (typical), ensuring excellent efficiency and low power dissipation. The GO-SME is capable of measuring continuous currents from 20 to 50 A over a wide temperature range. Galvanic isolation between primary and secondary windings eliminates the need for any additional isolation, reducing the overall footprint and system cost.

Key Features
  • Multi-range open-loop current transducer: 50 A
  • Low electrical resistance of 0.9 mΩ
  • Dual supply voltage of 5 V or 3.3 V
  • Wide bandwidth: 300 kHz
  • No magnetic hysteresis
  • 1% total error with temperature
  • Galvanic isolation between primary and secondary with 4 mm dCl and dCp
  • 2400 V RMS isolation test voltage
  • AEC-Q-100 Grade 1
Applications
  • Small Drives
  • HVAC Inverters
  • Devices
  • Solar Inverters
  • Electric Bikes
  • Automotive and Industrial
Technical Data
Parameter Value
Operating Temperature -40÷125°C
Temperature Storage Temperature -40÷150°C
Maximum Junction Temperature 165°C
Maximum Dropout Output Current 50mA
Maximum Source Output Current 25mA
Maximum Supply Voltage 8V
Rated Supply Voltage 3.3 / 5V
Maximum Supply Voltage on Other Pins 6.5V
Electrostatic discharge voltage (HBM) 2kV
Electrostatic discharge voltage (CDM) 500V
Thermal resistance between junction and board 15 K/W
Time constant 1s
Weight 0.07g
Output voltage -2÷2V (for power supply 5V), -1.25÷1.25V (for 3.3V supply)
Output internal resistance Uout 1Ω
Primary resistance (at temperature TA=25°C) 0.9mΩ
Rated primary current RMS 15A
Primary current measurement range -37.5÷37.5A
Internal voltage Reference 1.65V
Rated Sensitivity 33.33 mV/A
Sensitivity Error -1÷1%
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  • Accuracy 1.3
  • Rated Current [A] 15
  • Primary signal [AC / AC+DC / DC] AC+DC
  • Supply voltage [V] 5
  • Mounting [THT / SMD / DIN / Panel / On primary rail] SMD
  • App Renewable energy/Drives/Automotive batteries/Automotive drive
  • Output signal type [current/voltage] voltage
  • Minimum operating temperature [°C] -40
  • Maximum operating temperature [°C] 125
  • Frequency response (-3dB) [kHz] 300
  • Feedback loop [open / closed] // Eta technology open

Technical Specifications

Description

The GO-SME series is an integrated LEM current transducer designed to measure AC and DC currents in both industrial and automotive applications. Differential sensing technology allows the transducer to reject external field interference from a disturbing environment. Patented strain and temperature compensation algorithms are used to achieve excellent accuracy over a wide temperature range. The primary conductor (pins 1 to 4) has a very low electrical resistance of 0.9 mΩ (typical), ensuring excellent efficiency and low power dissipation. The GO-SME is capable of measuring continuous currents from 20 to 50 A over a wide temperature range. Galvanic isolation between primary and secondary windings eliminates the need for any additional isolation, reducing the overall footprint and system cost.

Key Features
  • Multi-range open-loop current transducer: 50 A
  • Low electrical resistance of 0.9 mΩ
  • Dual supply voltage of 5 V or 3.3 V
  • Wide bandwidth: 300 kHz
  • No magnetic hysteresis
  • 1% total error with temperature
  • Galvanic isolation between primary and secondary with 4 mm dCl and dCp
  • 2400 V RMS isolation test voltage
  • AEC-Q-100 Grade 1
Applications
  • Small Drives
  • HVAC Inverters
  • Devices
  • Solar Inverters
  • Electric Bikes
  • Automotive and Industrial
Technical Data
Parameter Value
Operating Temperature -40÷125°C
Temperature Storage Temperature -40÷150°C
Maximum Junction Temperature 165°C
Maximum Dropout Output Current 50mA
Maximum Source Output Current 25mA
Maximum Supply Voltage 8V
Rated Supply Voltage 3.3 / 5V
Maximum Supply Voltage on Other Pins 6.5V
Electrostatic discharge voltage (HBM) 2kV
Electrostatic discharge voltage (CDM) 500V
Thermal resistance between junction and board 15 K/W
Time constant 1s
Weight 0.07g
Output voltage -2÷2V (for power supply 5V), -1.25÷1.25V (for 3.3V supply)
Output internal resistance Uout 1Ω
Primary resistance (at temperature TA=25°C) 0.9mΩ
Rated primary current RMS 15A
Primary current measurement range -37.5÷37.5A
Internal voltage Reference 1.65V
Rated Sensitivity 33.33 mV/A
Sensitivity Error -1÷1%
Less
Read more
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