Product Overview
The ACS70311 is a high-sensitivity linear Hall-effect current sensor from Allegro MicroSystems. The -010B5 variant provides 10A range with 5V supply, offering galvanically isolated current sensing via an integrated Hall element and copper conduction path. Ideal for AC or DC current measurement in motor control, power supplies, and industrial applications.
Key Specifications
| Type | Linear Hall-Effect Current Sensor |
| Current Range | ±10A (-010B5) |
| Sensitivity | ~100mV/A (5V supply) |
| Supply Voltage | 5V (4.5V ~ 5.5V) |
| Bandwidth | ~80 kHz (typical) |
| Conductor Resistance | 2.1 mΩ (typical) |
| Isolation Voltage | ~2.1 kVrms |
| Accuracy | ~±1.5% (total) |
| Package | SOP-8 / SOIC-8 |
| Response Time | ~5 µs |
Features
- Galvanically isolated current sensing
- ±10A bidirectional current range
- Low 2.1mΩ conductor resistance
- 5V single supply operation
- Ratiometric output (proportional to VCC)
- Fast response time (~5µs)
- Integrated Hall sensor and conductor
- Small SOIC-8 package
- Factory trimmed accuracy
- RoHS compliant
Applications
- Motor control and drives
- Power supply monitoring
- Overcurrent protection
- Battery management systems
- Industrial automation
- Load detection
- Solar inverters
- AC/DC current measurement