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ACS72981 Current Sensor 0-100A 3.3V Pololu 5275
ID: 1194414
zł62.84
Tax included
zł51.09 tax excl.
Large Carrier version current sensor from Pololu, model 5275, based on the ACS72981LLRATR-100U3 IC, designed for measuring current in the range from 0 A to 100 A at a 3.3 V supply in applications requiring galvanic isolation and analog output. Pololu 5275
Description
Large Carrier version current sensor from Pololu, model 5275, based on the ACS72981LLRATR-100U3, designed for measuring AC and DC current in the range from 0 A to 100 A at a nominal supply voltage of 3.3 V. Measurement is performed using the Hall effect in an isolated current path with low resistance of approximately 0.2 mΩ, which reduces power losses and minimizes the impact of the sensor on the measured circuit.
The output signal is provided as an analog voltage proportional to the current, with a quiescent voltage level of approx. 0.33 V. The module offers bandwidth up to 250 kHz and response time below 2 µs, enabling monitoring of fast current changes in power electronics systems.
The use of a 6-layer PCB improves heat dissipation and stability during high-current operation. Integrated temperature compensation increases measurement accuracy over a wide temperature range. The module is intended for applications with voltages below 30 V.
Features
- Sensing IC: ACS72981LLRATR-100U3
- Sensing technology: Hall effect
- Current measurement range: From 0 A to 100 A
- Current type: AC and DC (unidirectional)
- Supply voltage: 3.0 - 3.6 V
- Nominal voltage: 3.3 V
- Output type: Analog, proportional to current
- Sensitivity: 26.4 mV/A
- Zero-current output voltage: Approx. 0.33 V
- Bandwidth: Up to 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″ x 1.2″ (approx. 35.6 x 30.5 mm)
- Weight: Approx. 4.2 g
- Operating temperature: From -40°C to +150°C
- Manufacturer: Pololu
- Manufacturer code: 5275
1194414
Data sheet
- Interface
- Sygnał analogowy
- Zakres pomiarowy
- 0 - 100 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)
- Schematic diagram (30,23 kB)
- ACS72981 Current Sensor Large Carrier basic hole and slot dimensions. (59,82 kB)
- ACS72981 datasheet
- Allegro Application Note AN296169: Characterizing System Bandwidth in Complex Current Sensor Applica
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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