Linear Hall effect current sensor IC Allegro ACS780LLSTR-100B-T for accurate 100 amp current measurement
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Product Description
Product Overview
The Allegro ACS780xLR is a fully integrated, automotive-grade linear Hall-effect current sensor IC designed for bidirectional AC and DC current sensing up to 100 A. Housed in a compact, low-profile core-less package, it offers ultra-low power loss with a 200 internal conductor resistance. The device features advanced Hall sensor technology with common-mode field rejection, proprietary integrated shield technology for high dV/dt immunity, and factory programming for optimized accuracy. It is ideal for applications requiring precise current monitoring in automotive and industrial environments.
Product Attributes
- Brand: Allegro
- Package Type: 7-pin PSOF (suffix LR)
- Certifications: AEC-Q100 automotive qualification
- Material: Lead (Pb) free, 100% matte tin plating, oxygen-free copper leadframe
Technical Specifications
| Model / Characteristic | Description / Value |
|---|---|
| ACS780xLR | High-Precision Linear Hall-Effect-Based Current Sensor IC with 200 Current Conductor |
| Sensed Current Range | Up to 100 A continuous |
| Primary Conductor Resistance | 200 typical |
| Supply Voltage (VCC) | 4.5 to 5.5 V, single supply |
| Bandwidth | 120 kHz typical |
| Output Rise Time | 3.6 s |
| Isolation Voltage | Up to 100 V peak |
| Operating Temperature Range (K) | -40 to 125 C |
| Operating Temperature Range (L) | -40 to 150 C |
| Package Thickness | 1.5 mm |
| Common-Mode Field Rejection | Optimized performance in presence of interfering magnetic fields |
| dV/dt Immunity | High-level immunity offered by proprietary integrated shield technology |
| Quiescent Output Voltage (Bidirectional) | VCC / 2 |
| Quiescent Output Voltage (Unidirectional) | 0.1 x VCC |
| Overcurrent Capability (IPOC) | 285 A (TA = 25C, 1 s on time) |
| Package Thermal Resistance (RJA) | 18 C/W (on Allegro evaluation board) |
| Part Numbers & Ranges: |
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