Compact and precise Allegro ACS732KLATR-65AB-T current sensor IC for overcurrent protection circuits
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Product Description
Product Overview
The Allegro ACS732 and ACS733 are next-generation, high-bandwidth Hall-effect-based current sensor ICs designed for accurate measurement of high-frequency AC and DC currents. They offer high isolation, user-configurable overcurrent fault detection, and a low 1 m primary conductor resistance for minimal power loss. These sensors are ideal for high-voltage switching power applications, including DC/DC converters, motor control, load detection, switch-mode power supplies, and overcurrent protection. The compact SOIC-16 wide-body package facilitates easy integration into automotive, industrial, commercial, and communication systems.
Product Attributes
- Brand: Allegro
- Package: SOIC-16 Wide Body (LA suffix)
- Certifications: AEC-Q100 automotive qualified, UL60950-1 (ed. 2) certified
- Leadframe Plating: 100% matte tin
- Internal Construction: Lead-free
Technical Specifications
| Model | Optimized Range (IP) | Sensitivity (Typ) | Nominal Supply Voltage (VCC) | Operating Temperature (TA) | Bandwidth | Primary Conductor Resistance (RIP) | Isolation Voltage (Dielectric Strength) | Isolation Voltage (Working Voltage for Basic Isolation) |
|---|---|---|---|---|---|---|---|---|
| ACS732KLATR-20AB-T | 20 A | 100 mV/A | 5.0 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS732KLATR-40AB-T | 40 A | 50 mV/A | 5.0 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS732KLATR-65AB-T | 65 A | 30 mV/A | 5.0 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS732KLATR-65AU-T | 0 - 65 A (Unidirectional) | 60 mV/A | 5.0 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS732KLATR-75AB-T | 75 A | 26.6 mV/A | 5.0 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS733KLATR-20AB-T | 20 A | 66 mV/A | 3.3 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS733KLATR-20AB-T-H | 20 A | 66 mV/A | 3.3 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS733KLATR-40AB-T | 40 A | 33 mV/A | 3.3 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS733KLATR-40AU-T | 0 - 40 A (Unidirectional) | 66 mV/A | 3.3 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| ACS733KLATR-65AB-T | 65 A | 20 mV/A | 3.3 V | -40 to 125 C | 1 MHz | 1 m | 3.6 kVRMS | 616 VRMS |
| Common Electrical Characteristics: Supply Voltage: ACS732 (4.75-5.25 V), ACS733 (3.14-3.46 V); Supply Current: ACS732 (24-35 mA), ACS733 (20-35 mA); Output Slew Rate (SR): 3.2 V/s; Noise Density (IND): 55 A/Hz (5V), 80 A/Hz (3.3V) | ||||||||
| Overcurrent Fault Characteristics: Fault Response Time (tRESPONSE(F)): 0.2-0.75 s; Fault Range (IFAULT): 50% to 200% of IPR(MAX); Fault Output Low Voltage (VFAULT): Max 0.4 V; Fault Hysteresis (IHYST): 0.05 IPR | ||||||||
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