ACS770LCB-100U-PFF-T

Current Sensors Overview

The ACS770LCB-100U-PFF-T is a fully integrated, thermally enhanced Hall effect current sensor IC from Allegro Microsystems. It features a 100A unidirectional measurement range with a sensitivity of 40mV/A and an offset voltage of ±6mV. The device operates on a 5V supply (4.5V to 5.5V) and provides an analog output. Key electrical parameters include a bandwidth of 120kHz, a response time of 4.6µs, and linearity of ±1%. It is housed in a 5-pin PFF package designed for through-hole mounting.

Current Sensors Feature Summary

• Fully integrated Hall effect sensing technology with a low-resistance copper conductor path
• Thermally enhanced design optimized for board-mount applications
• Unidirectional current measurement capability with linear analog voltage output
• Automotive-grade qualification compliant with AEC-Q100 standards

Current Sensors Applications

• Motor control systems
• Industrial power supplies
• Inverter circuits
• Battery management systems

Current Sensors Procurement Notes

Verify the specific suffix 'U' indicates the unidirectional variant with 100A rating. Confirm the 'PFF' package designation matches the required through-hole footprint. Ensure the manufacturer is Allegro MicroSystems. Check RoHS compliance status if required by project specifications. Validate that the operating temperature range meets environmental requirements.

Current Sensors Selection Notes

Select this component for high-precision DC current monitoring where galvanic isolation is necessary. The 40mV/A sensitivity allows for straightforward signal conditioning. Consider the 120kHz bandwidth for dynamic load applications. The wide operating temperature range supports harsh environments. Ensure the PCB layout accommodates the thermal pad requirements for optimal performance.

Current Sensors Part Context

This part belongs to the ACS770xCB series of current sensors. It shares the same package style as other variants but differs in current rating and directionality. The series is known for its integrated copper conduction path and Hall element. It serves as a direct replacement for older discrete current sensing solutions in compact designs.

Current Sensors Replacement Considerations

Direct substitutes within the same series include ACS770LCB-050U-PFF-T for lower current ratings. For bidirectional applications, consider the ACS770LCB-100B-PFF-T variant. Verify pinout compatibility when replacing similar packages. Check datasheet updates for any recent material changes.