ACS772ECB-400B-PFF-T

Current Sensors Overview

The ACS772ECB-400B-PFF-T is a fully integrated Hall-effect current sensor IC designed for bidirectional AC and DC current measurement up to ±400 A. It features a sensitivity of 5 mV/A, a bandwidth of 200 kHz, and a response time of 2.5 µs. The device operates on a supply voltage range of 4.5 V to 5.5 V with a maximum supply current of 15 mA. It offers high linearity accuracy of ±0.9% and an offset voltage of ±6 mV. The component supports through-hole mounting in a CB-5 package with formed conductors, ensuring robust electrical isolation.

Current Sensors Feature Summary

• Utilizes Hall-effect technology for galvanic isolation between the primary current path and the secondary signal output.
• Provides a linear analog voltage output proportional to the sensed current magnitude and direction.
• Features internally formed copper conductors to minimize resistance and thermal impact on the measured circuit.

Current Sensors Applications

• Motor drive systems requiring precise current feedback for control loops
• Industrial power supplies and inverters needing high-current monitoring
• Uninterruptible power supplies (UPS) for load management

Current Sensors Procurement Notes

Verify that the specific suffix PFF corresponds to the required through-hole package variant with formed conductors, as other suffixes may indicate surface-mount options. Confirm the ECB designation aligns with the intended operating temperature range and automotive qualification standards before finalizing procurement orders.

Current Sensors Selection Notes

Select this component when measuring currents up to 400 A with high bandwidth requirements. Ensure the application voltage does not exceed the 5.5 V maximum supply limit. Consider the physical dimensions of the CB-5 package and the need for through-hole assembly capabilities during the design phase.

Current Sensors Part Context

This part belongs to the ACS772 series of Allegro MicroSystems current sensors. It shares the same core Hall-effect sensing technology and package outline as other variants in the family but is specifically rated for a ±400 A current range. It serves as a specialized solution for high-power applications compared to lower-range models.

Current Sensors Replacement Considerations

Direct substitutes within the same series include ACS772ECB-200B-PFF-T for lower current needs or ACS772LCB-100B-PFF-T for different sensitivity profiles. Verify pinout compatibility and thermal performance when transitioning between these variants.