Pin selectable gain and fast fault output current sensor ALLEGRO ACS37002LLAATR025U3 with 400 kHz bandwidth
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Product Description
400 kHz, High Accuracy Current Sensor with Pin-Selectable Gains and Adjustable Overcurrent Fast Fault in SOICW-16 Package
Product Overview
The ACS37002 is a fully integrated, high-accuracy Hall-effect current sensor designed for precise current monitoring in a wide range of applications. It features factory-trimmed high accuracy, differential sensing for immunity to external magnetic fields, and a robust, externally configurable design. The sensor offers pin-selectable gain settings for four defined sensitivities and corresponding current ranges, along with a fast overcurrent fault output for system protection. Available in SOICW-16 packages (MA and LA), it provides high isolation and is suitable for applications requiring fast control loops or high-speed current monitoring.
Product Attributes
- Brand: Allegro MicroSystems
- Package Type: 16-Pin SOICW
- Certifications: UL 62368-1:2014 (ed. 2) (MA package), AEC-Q100 Grade 0 (Automotive Qualified)
- Compliance: RoHS compliant, Lead (Pb) free
Technical Specifications
| Model | Package | Current Sensing Range (IPR) | Sensitivity (mV/A) | Nominal VCC (V) | Optimized Temp. Range (TA) | Conductor Resistance | Dielectric Withstand Voltage |
|---|---|---|---|---|---|---|---|
| ACS37002LMABTR-050B5-M | MA | 33, 40, 50, 66 A | 60, 50, 40, 30 mV/A | 5 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-066B5-M | MA | 66, 80, 100, 133 A | 30, 25, 20, 15 mV/A | 5 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-050U5-M | MA | 33, 40, 50, 66 A | 120, 100, 80, 60 mV/A | 5 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-066U5-M | MA | 66, 80, 100, 133 A | 60, 50, 40, 30 mV/A | 5 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-050B3 | MA | 33, 40, 50, 66 A | 39.6, 33, 26.4, 19.8 mV/A | 3.3 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-066B3 | MA | 66, 80, 100, 133 A | 19.8, 16.5, 13.2, 9.9 mV/A | 3.3 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-050U3 | MA | 33, 40, 50, 66 A | 79.2, 66, 52.8, 39.6 mV/A | 3.3 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002LMABTR-066U3 | MA | 66, 80, 100, 133 A | 39.6, 33, 26.4, 19.8 mV/A | 3.3 | 40 to 150 C | 0.85 m | 3125 VRMS |
| ACS37002KMABTR-050B5-M | MA | 33, 40, 50, 66 A | 60, 50, 40, 30 mV/A | 5 | 40 to 125 C | 0.85 m | 3125 VRMS |
| ACS37002KMABTR-050B3 | MA | 33, 40, 50, 66 A | 39.6, 33, 26.4, 19.8 mV/A | 3.3 | 40 to 125 C | 0.85 m | 3125 VRMS |
| ACS37002LLAATR-015B5 | LA | 10, 12, 15, 20 A | 200, 166.6, 133.3, 100 mV/A | 5 | 40 to 150 C | 1 m | 2250 VRMS |
| ACS37002LLAATR-025B5 | LA | 25, 30, 37.5, 50 A | 80, 66.6, 53.3, 40 mV/A | 5 | 40 to 150 C | 1 m | 2250 VRMS |
| ACS37002LLAATR-015B3 | LA | 10, 12, 15, 20 A | 132, 110, 88, 66 mV/A | 3.3 | 40 to 150 C | 1 m | 2250 VRMS |
| ACS37002LLAATR-025U3 | LA | 25, 30, 37.5, 50 A | 105.6, 88, 70.4, 52.8 mV/A | 3.3 | 40 to 150 C | 1 m | 2250 VRMS |
| Common Electrical Characteristics | |||||||
| Supply Voltage (VCC) | 5 V devices: 4.5 - 5.5 V; 3.3 V devices: 3.15 - 3.6 V | ||||||
| Supply Current (ICC) | 5 V: 13 - 18 mA; 3.3 V: 12 - 15 mA | ||||||
| Bandwidth (BW) | 400 kHz | ||||||
| Response Time (tRESPONSE) | 1.1 s typical | ||||||
| Primary Conductor Resistance (RIP) | MA: 0.85 m; LA: 1 m | ||||||
| Operating Temperature Range (TA) | 40C to 150C | ||||||
| Junction Temperature (TJ(max)) | 165 C | ||||||
| Overcurrent Fault Response Time (tOCF) | 1 s typical | ||||||
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