ACS714ELCTR-05B-T Current Sensor Hall Effect Equivalent & Substitute Parts

Part Overview

The ACS714ELCTR-05B-T is a Hall Effect current sensor manufactured by Allegro MicroSystems, designed for AC/DC current measurement applications with a 5A sensing range. This component features open-loop bidirectional operation in an 8-SOIC surface mount package. The part is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. For new applications or when stock availability is critical, equivalent substitute parts with compatible electrical and mechanical specifications are available.

Substiute Parts

ACS714ELCTR-05B-T

Allegro MicroSystemsIn Stock: 3429ACS714ELCTR-05B-T Datasheet

Current PartRFQ

ACS724LLCTR-05AB-T

Allegro MicroSystemsIn Stock: 18230ACS724LLCTR-05AB-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ACS714ELCTR-05B-T is determined by the following critical parameters:

• Package Compatibility: Both parts must use 8-SOIC (0.154", 3.90mm Width) surface mount packaging to ensure PCB layout compatibility without redesign.
• Sensor Technology: Hall Effect, open-loop bidirectional operation must be maintained for functional equivalence.
• Current Sensing Capability: The substitute must support 5A or higher current measurement range.
• Output Configuration: Ratiometric voltage output is required for signal conditioning compatibility.
• Supply Voltage: Operating voltage must be compatible with the system design (5V nominal or within acceptable tolerance).
• Regulatory Compliance: RoHS3 compliance and REACH unaffected status ensure regulatory alignment.

The ACS724LLCTR-05AB-T meets all substitution criteria and is classified as an active product, making it suitable for both replacement and new design applications.

Parameter Comparison

Engineering Selection Recommendations

The ACS724LLCTR-05AB-T is the qualified substitute for the ACS714ELCTR-05B-T based on the following engineering criteria:

Product Status Alignment: The ACS724LLCTR-05AB-T carries an "Active" product status, whereas the ACS714ELCTR-05B-T is designated "Not For New Designs." This distinction makes the ACS724LLCTR-05AB-T the appropriate choice for new applications and long-term availability assurance.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring equivalent regulatory standing for industrial and commercial applications.

Package and Pinout Compatibility: Identical 8-SOIC (0.154", 3.90mm Width) surface mount packaging enables direct PCB layout compatibility without circuit board redesign.

Functional Equivalence: Both sensors employ Hall Effect open-loop bidirectional technology with ratiometric voltage output, maintaining signal chain compatibility in existing designs.

Enhanced Performance Characteristics: The ACS724LLCTR-05AB-T provides improved accuracy (±0.6% versus ±1.5%), higher sensitivity (400mV/A versus 185mV/A), extended frequency response (DC ~ 120kHz versus DC ~ 80kHz), and wider operating temperature range (-40°C ~ 150°C versus -40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can the ACS724LLCTR-05AB-T be used as a direct replacement for the ACS714ELCTR-05B-T on existing PCBs?

A: Yes. Both parts use identical 8-SOIC (0.154", 3.90mm Width) surface mount packaging with the same pinout configuration. No PCB layout modifications are required for substitution.

Q: What are the key differences between these two sensors?

A: The primary differences are product status (active versus not for new designs), sensitivity (400mV/A versus 185mV/A), accuracy (±0.6% versus ±1.5%), frequency response (DC ~ 120kHz versus DC ~ 80kHz), and operating temperature range (-40°C ~ 150°C versus -40°C ~ 85°C). Both maintain identical current sensing capability (5A), output type (ratiometric voltage), and package format.

Q: Is the higher sensitivity of the ACS724LLCTR-05AB-T compatible with existing signal conditioning circuits?

A: The ACS724LLCTR-05AB-T provides 400mV/A sensitivity compared to 185mV/A in the ACS714ELCTR-05B-T. Signal conditioning circuits must be evaluated to confirm compatibility with the higher output voltage. Analog-to-digital converter input ranges and amplifier gain settings should be verified.

Q: Are both parts suitable for AC/DC current measurement applications?

A: Yes. Both the ACS714ELCTR-05B-T and ACS724LLCTR-05AB-T are specified for AC/DC current measurement with bidirectional sensing capability and open-loop Hall Effect operation.

Q: What is the significance of the "Not For New Designs" designation on the ACS714ELCTR-05B-T?

A: This designation indicates the part has been superseded in the manufacturer's product line. While existing inventory may be available, Allegro MicroSystems recommends using the ACS724LLCTR-05AB-T for new applications to ensure long-term supply availability and access to product support.

Q: Do both sensors require identical supply voltage?

A: The ACS714ELCTR-05B-T requires 5V nominal supply, while the ACS724LLCTR-05AB-T accepts 4.5V ~ 5.5V. The ACS724LLCTR-05AB-T provides wider supply voltage tolerance, making it more robust in systems with voltage regulation variations.