ACS758ECB-200U-PFF-T

Current Sensors Overview

The ACS758ECB-200U-PFF-T is a board-mount current sensor utilizing BiCMOS Hall-effect technology. It provides a linear voltage output proportional to DC or AC currents up to 200A. The device features a low-resistance copper conductor path with a resistance of 100μΩ, enabling high efficiency and minimal power loss. It operates within a supply voltage range of 3V to 5.5V and offers a bandwidth of 120kHz with a response time of 4μs. Sensitivity is specified at 20mV/A. The component is housed in a 5-pin CB package with formed leads (PFF) for surface mount installation.

Current Sensors Feature Summary

• Integrates a precision linear Hall circuit with a dedicated copper conduction path for galvanic isolation.
• Provides a fully integrated solution for unidirectional current sensing with analog voltage output.
• Features low on-state resistance to minimize thermal dissipation in high-current applications.

Current Sensors Applications

• Motor control systems
• Load detection and management
• Power supply and DC-DC converter control
• Inverter control circuits
• Overcurrent fault detection

Current Sensors Procurement Notes

Verify the specific suffix 'U' indicates the standard sensitivity variant against project requirements. Confirm the 'CB' package type matches the PCB footprint design. Ensure the 200A rating aligns with peak load expectations. Check for AEC-Q100 automotive qualification if used in vehicle electronics. Validate that the 5-pin SMT form factor fits the assembly constraints.

Current Sensors Selection Notes

Select this part for applications requiring high isolation voltage and fast transient response. The 200A capacity suits heavy-duty industrial loads. Consider the 20mV/A sensitivity for signal conditioning amplifier selection. Evaluate thermal management needs based on the 100μΩ conductor resistance. Compare against higher-bandwidth alternatives like the ACS772 series for future-proofing designs.

Current Sensors Part Context

This component belongs to the ACS758 family of Hall-effect current sensors from Allegro MicroSystems. The family includes various current ratings and sensitivity options packaged in CB modules. These devices are designed to replace traditional shunt-based solutions by providing electrical isolation without external transformers. The ACS758 series is widely recognized for its robust construction and suitability for harsh environments.

Current Sensors Replacement Considerations

• ACS758ECB-200B-PFF-T

Current Sensors FAQ

Is the ACS758ECB-200U-PFF-T bidirectional?

No, this specific model is designed for unidirectional current sensing only.

What is the isolation voltage rating?

The device provides 700Vrms isolation between the current path and the electronic circuit.