PCB Mount Current Sensor

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PCB mount current sensors

Description

PML introduces a range of off-the-shelf current sensors suitable for measuring currents from 0A to +/- 1000 Apk (DC as well as AC). These are high-performance analog current sensor modules designed for direct PCB mounting, offering accurate, isolated current measurement. Unlike other solutions, this sensor eliminates the need for additional daughter PCBs, reducing system complexity, failure modes and cost.

With a 5V supply, the module outputs a linear analog voltage ranging from 0.5 V to 4.5 V, proportional to the primary input current. Engineered with excellent linearity (typically within ±0.5% FS), it’s ideally suited for high-current applications such as electric vehicles, renewable energy systems, battery monitoring, and industrial power electronics.

These current sensors are designed to deliver accurate current measurements in harsh environments. These sensors are designed for performance aiming at AEC Q-100. These current sensors comply with key international standards of application as well as environmental safety like RoHS, REACH, UL94 V0 etc.

Below are the range of off-the-shelf products:

“Clamp-on” or “Cable clamp” Current Sensors are sensors that are used for measuring AC or DC currents. They are particularly useful for measuring currents flowing in a cable wire in a non-intrusive way.

Module Overview

P/N Max. Current range Accuracy Busbar profile Datasheet
HNCB-500 +/-500 +/- 1% Circular HNCB-500
HNCB-800 +/-800 +/- 1% Circular HNCB-800
HNCB-1000 +/-1000 +/- 1% Circular HNCB-1000
HNCB-1001 +/-1000 +/- 1% Circular HNCB-1001
HNRC-500 +/-500 +/- 2.5% Circular HNRC-500
HNRC-800 +/-800 +/- 2.5% Circular HNRC-800
HNRC-1000 +/-1000 +/- 2.5% Circular HNRC-1000
HNRB-500 +/-500 +/- 1% Rectangular HNRB-500
HNRB-800 +/-800 +/- 1% Rectangular HNRB-800
HNRB-1000 +/-1000 +/- 1% Rectangular HNRB-1000
HNRC-500 +/-500 +/- 2.5% Rectangular HNRC-500
HNRC-800 +/-800 +/- 2.5% Rectangular HNRC-800
HNRC-1000 +/-1000 +/- 2.5% Rectangular HNRC-1000

The above table are PML off-the-shelf products. PML also supports customized current sensors optimized for your application needs.

Key Features:

  • Direct PCB Mounting
  • High Accuracy
  • Wide Current Range
  • Pre-Calibrated Output
  • Low Offset and Sensitivity Drift
  • Excellent Electrical Isolation

Advantages

  • Space-saving, cost-effective PCB-mount form factor
  • Easy to integrate into compact electronic designs
  • Low power consumption and high reliability
  • Suitable for harsh environments with robust construction
  • Ideal for high-frequency sensing

Applications

  • Electric Automotive Motor Control Units (MCU)
  • DC-DC Converters and Inverters
  • EV Charging Systems
  • Solar Charging Stations
  • Battery Monitoring Systems
  • Appliances and White Goods
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