Description

Allegro ACS780LLRTR-100U-T 100A Hall-Effect Current Sensor IC SOIC-8

The Allegro ACS780LLRTR-100U-T is a high-precision Hall-effect linear current sensor IC designed for accurate AC and DC current sensing up to ±100A. Utilizing Allegro’s proven Hall-effect sensing technology with an integrated low-resistance current conductor, the ACS780 provides galvanic isolation between the current path and signal output, ensuring reliable and safe current measurement. Packaged in a compact SOIC-8 package with an integrated primary conductor, it is widely used in battery management systems (BMS), motor drives, UPS systems, industrial automation, solar inverters, EV charging equipment, and power monitoring applications.

Technical Specifications

Key Performance Advantages

• Measures both AC and DC currents up to ±100A.
• Hall-effect sensing provides electrical isolation for improved safety.
• Integrated low-resistance primary conductor minimizes power loss.
• High bandwidth and fast response for dynamic current monitoring.
• Excellent accuracy with low offset and temperature drift.
• Compact SOIC-8 package simplifies PCB layout.

Typical Applications

• Battery Management Systems (BMS)
• Motor drives and motor control
• Solar inverters
• UPS systems
• Industrial automation equipment
• Electric vehicle (EV) chargers
• Power monitoring systems
• DC-DC converters