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Over-trace current sensors offer inherent isolation and overcurrent tolerance:

Over-Trace Current Sensors  Part Number  Interface Polarity
(omnipolar reads positive;
bipolar senses polarity) Field
  Range   Typ. Current Package   Breakout  
Board   Evaluation  
Kit SM124-10E I²C Omnipolar 0–4 mT 0–10 A 2.5 x 2.5 mm
DFN6 AG958-07E AG952-07E SM125-10E I²C Omnipolar 0–4 mT 10 to 50 A AG961-07E AG962-07E SM228-10E I²C Bipolar ±15 mT 10 to 500 A AG968-07E AG969-07E SM324-10E I²C Bipolar ±2 mT 0–10 A AG960-07E AG951-07E SM225-10E SPI Bipolar 0–15 mT 10 to 500 A AG959-07E AG953-07E AAL024-10E Analog Bridge Omnipolar 0–1.5 mT 0–10 A AG035-06 AG905-07E ALT025-10E Analog Bridge Bipolar ±10 mT 10 to 500 A AG035-06 AG905-07E
Raw bridge sensors offer low power consumption and small size. “Smart sensors” have SPI or I²C interfaces with factory calibration and temperature compensation.
Omnipolar sensors provide “full-wave rectified” outputs, while bipolar sensors also detect current polarity.

In-circuit current sensors detect low currents, making them ideal for small motor control or low-current fault detection:

In-Circuit Current Sensor Part
Number Linear
Measurement Range (mA) Sensitivity
 (mV/V/mA)   Max. Non- 
Linearity  Max. Op. 
Temp.
(°C) Typical
 Bridge
 Resistance   Package  Min. Max.  ACT001-10  -500 500 0.04 1% 125 15 kOhm DFN6  AAV003-10  -80 80 0.08 1% 85 7 kOhm DFN6
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 Sensing Current Through a Circuit Board Trace
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 Over-Trace High Current Sensing
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