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ACS72981 current sensor from -200A to +200A 5V Pololu 5282
ID: 1194420
5902186338784
zł63.92
Tax included
zł51.97 tax excl.
Current sensor in the Large Carrier version based on the ACS72981ELRATR-200B5 chip, designed for bidirectional current measurement from -200 A to +200 A with a 5 V supply voltage. The module uses Hall-effect sensing, an electrically isolated current path, and an analog output signal proportional to the measured current. Pololu 5282
Description
The Pololu 5282 current sensor in the Large Carrier version is based on the Allegro ACS72981ELRATR-200B5 chip and is designed for AC and DC current measurement in the range from -200 A to +200 A. The device operates from a supply voltage of 4.5 V to 5.5 V, with a nominal voltage of 5 V, and performs measurements using Hall-effect sensing in an electrically isolated current path.
The module provides an analog output voltage proportional to the measured current. At a supply voltage of 5 V, the sensitivity is 10 mV/A and the zero-current output voltage is 2.5 V. Positive current increases the output voltage, while negative current decreases it. The low current-path resistance, typically around 0.2 mΩ, minimizes power losses and heat generation when measuring high currents.
The sensor features a bandwidth of 250 kHz and a response time below 2 µs, making it suitable for applications requiring fast current monitoring. The Large Carrier board is built on a 6-layer PCB with 2 oz copper, improving heat dissipation and stability under high-current loads. VCC, GND, and VIOUT pins with a 2.54 mm pitch enable convenient connection to microcontrollers, breadboards, and signal wiring.
Features
- Sensor IC: ACS72981ELRATR-200B5
- Sensing technology: Hall effect
- Current measurement range: -200 A to +200 A
- Current measurement type: AC and DC (bidirectional)
- Supply voltage: 4.5 V to 5.5 V
- Nominal supply voltage: 5 V
- Output type: analog, proportional to current
- Sensitivity: 10 mV/A at 5 V
- Zero-current output voltage: 2.5 V at 5 V
- Bandwidth: 250 kHz
- Response time: < 2 µs
- Current path resistance: approx. 0.2 mΩ
- Measurement method: in-line, galvanically isolated
- Supply current: approx. 14 mA
- PCB: 6 layers, 2 oz copper
- Signal pin pitch: 2.54 mm
- Dimensions: 1.4″ × 1.2″ (approx. 35.6 × 30.5 mm)
- Weight: approx. 4.2 g
- Manufacturer: Pololu
- Manufacturer code: 5282
1194420
Data sheet
- Interface
- Sygnał analogowy
- Zakres pomiarowy
- ±200 A
- Sposób podłączenia
- Szeregowy
- Dimension diagrams of the ACS72981xLR Current Sensor Carriers (391,08 kB)
- 3D model of the ACS72981xLR Current Sensor Large Carriers (3,11 MB)
- Drill guide for the ACS72981xLR Current Sensor Large Carriers (18,12 kB)
- ACS72981 datasheet
- Allegro Application Note AN296169: Characterizing System Bandwidth in Complex Current Sensor Applica
- Allegro product page for the ACS72981 Hall-based Current Sensor
Manufacturer
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
Responsible person
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
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