Automotive & Industrial Open Loop Current Sensor - Busbar Mounting

Piher Sensing Systems’ HCSP-1BS family of open loop current transducers generates a ratiometric analog output voltage signal proportional to the current flowing through the conductor. Based on Hall-effect technology, this sensor has been designed to minimize energy loss and improve efficiency and reliability for accurate measurement of AC and DC currents in automotive battery management and motor control applications.

  ■  Measured current values from ±200 A to ±1,500 A
  ■  Busbar mounting
  ■  Simple or dual analog ratiometric output
  ■  Non-intrusive technology
  ■  Galvanic separation between power and control
  ■  High accuracy and precision
  ■  Wide frequency bandwidth
  ■  Compact design
  ■  Immunity from external fields
  ■  Overcurrent and protection embedded by design
  ■  Extended operating temperature range
  ■  Extremely high stability
  ■  UL94V0 plastic housing material



Accurate, non-intrusive measurement of currents with galvanic separation between power and control
Maintains precision from -40°C to 125°C
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Designed to cope with external magnetic interferences.


Parameter Unit Min. Typ. Max.
Supply voltage V 4,5 5 5,5
Supply current mA 9 12 19
Output voltage V 0,5 4,5
Offset voltage V 2,5
Response time µsec 3
Frequency badwidth kHz 70 250
Typical error (at 25°C; Vcc =5V) % 0,65 2,5
Max. error (at-40°C to +125°C; Vcc=5V) % 1 3,5
Parameter Unit Min. Typ Max.
Operating temperature °C -40 +125