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ACS711 Current Sensor Carriers
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We are offering these breakout boards with support from Allegro Microsystems as an easy way to use or evaluate their ACS711EX Hall effect-based linear current sensors. The following list details some of the sensor’s key features:
- Conductive path internal resistance is typically 0.6 mΩ, and the PCB is made with 2-oz copper, so very little power is lost in the board.
- Use of a Hall effect sensor means the IC is able to electrically isolate the current path from the sensor’s electronics (up to 100 V), which allows the sensor to be inserted anywhere along the current path and to be used in applications that require electrical isolation.
- 100 kHz bandwidth analog output voltage proportional to AC or DC currents.
- Good accuracy and reliability: factory calibration results in a typical total output error of ±5% at room temperature, the output offset voltage is extremely stable, and the sensor has zero magnetic hysteresis.
- Overcurrent FAULT output latches low when current magnitude exceeds the optimized sensing range.
- Operating temperature range of -40°C to 125°C.
- 0.7″×0.8″ carrier board offers a variety of ways to insert it into the current path and 0.1″-pitch (breadboard compatible) power, ground, and output pins.
They operate from 3 V to 5.5 V, so they can interface directly with 3.3 V and 5 V systems.
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Products in category “ACS711 Current Sensor Carriers”
| Pololu item #: 2452 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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This board is a simple carrier of Allegro’s ACS711KEXLT-15AB-T Hall effect-based linear current sensor, which offers a low-resistance (~0.6 mΩ) current path and a 100 kHz bandwidth for fast response times.
| Part Suffix | Range | Sensitivity @ 3.3 V | Zero Point @ 3.3 V | Fault Trip Level | Supply Voltage |
|---|---|---|---|---|---|
| KEXLT-15AB-T | ±15.5 A (bidirectional) | 90 mV/A | 1.65 V | ±15.5 A | 3 V to 5.5 V |
| Pololu item #: 2453 | |
| Brand: Pololu | supply outlook |
| Status: Active and Preferred | |
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This board is a simple carrier of Allegro’s ACS711KEXLT-31AB-T Hall effect-based linear current sensor, which offers a low-resistance (~0.6 mΩ) current path and a 100 kHz bandwidth for fast response times.
| Part Suffix | Range | Sensitivity @ 3.3 V | Zero Point @ 3.3 V | Fault Trip Level | Supply Voltage |
|---|---|---|---|---|---|
| KEXLT-31AB-T | ±31 A (bidirectional) | 45 mV/A | 1.65 V | ±31 A | 3 V to 5.5 V |
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