ACS770LCB-100U-PFF-T in Allegro ACS Current Sensors Family
The ACS770LCB-100U-PFF-T is a high-accuracy, thermally enhanced Hall-effect current sensor from Allegro MicroSystems. Designed for industrial and automotive environments, it provides a low-resistance current path and robust isolation for high-power applications. This unidirectional 100A sensor utilizes a proprietary packaging technology that integrates a heavy-gauge copper leadframe, enabling high current density sensing while maintaining a small footprint. It is primarily used for monitoring power levels in DC systems where galvanic isolation and low power loss are critical requirements.
Variants in This Sub-Family
The ACS770 series variants differ primarily in their full-scale current sensing range, typically spanning 50A to 200A. They are offered in both unidirectional and bidirectional sensing versions, where bidirectional parts provide an offset output at VCC/2 to accommodate AC or negative current. Leadform options like the PFF and PSF allow for different PCB mounting orientations, such as vertical or horizontal alignment, to meet specific spatial constraints.
