ACS715LLCTR-30A-T Current Sensor Equivalent & Substitute Parts

Part Overview

The ACS715LLCTR-30A-T is a Hall Effect current sensor manufactured by Allegro MicroSystems, designed for DC current measurement up to 30A in a single-channel configuration. This component delivers ratiometric voltage output with 133mV/A sensitivity and operates across an extended temperature range of -40°C to 150°C. The part is classified as "Not For New Designs," indicating it has been superseded in the product lifecycle. For applications requiring active product support, ongoing availability, or improved performance specifications, equivalent substitute parts are available within the same product family.

Substiute Parts

ACS715LLCTR-30A-T

Allegro MicroSystemsIn Stock: 2811ACS715LLCTR-30A-T Datasheet

Current PartRFQ

ACS724LLCTR-30AU-T

Allegro MicroSystemsIn Stock: 16069ACS724LLCTR-30AU-T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACS715LLCTR-30A-T is determined by strict alignment of the following critical parameters:

Current sensing capability must match or exceed 30A. The sensor type must remain Hall Effect, Open Loop topology. Output configuration must be ratiometric voltage. Package and pinout must be identical: 8-SOIC (0.154", 3.90mm Width) for direct PCB compatibility. Operating temperature range must encompass -40°C to 150°C. Supply voltage compatibility must be maintained. Polarization must remain unidirectional. Mounting type must be Surface Mount.

The ACS724LLCTR-30AU-T meets all substitution criteria. It maintains the same 30A current sensing range, Hall Effect open-loop architecture, single-channel ratiometric voltage output, and 8-SOIC package footprint. Both components share identical mechanical and electrical interface requirements, enabling direct replacement without PCB redesign.

Parameter Comparison

Engineering Selection Recommendations

The ACS724LLCTR-30AU-T is the direct equivalent for the ACS715LLCTR-30A-T. Both components are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for industrial and commercial applications. The ACS724LLCTR-30AU-T carries Active product status, ensuring ongoing manufacturer support, availability, and compliance with current design standards. For new designs or applications requiring long-term component availability, the ACS724LLCTR-30AU-T is the appropriate selection. The substitute part provides improved accuracy (±0.7% versus ±1.5%) and extended frequency bandwidth (120kHz versus 80kHz), delivering enhanced performance within the same mechanical and electrical interface. Supply voltage specification on the substitute provides explicit tolerance range (4.5V ~ 5.5V) compared to the fixed 5V specification of the original part, offering greater design flexibility for power supply variations.

Frequently Asked Questions (FAQ)

Q: Can the ACS724LLCTR-30AU-T replace the ACS715LLCTR-30A-T without PCB modifications?

A: Yes. Both components use identical 8-SOIC (0.154", 3.90mm Width) packages with matching pinouts. Direct PCB substitution is possible without layout changes.

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

A: The ACS724LLCTR-30AU-T offers improved accuracy (±0.7% versus ±1.5%), extended frequency response (120kHz versus 80kHz), and explicit supply voltage tolerance (4.5V ~ 5.5V versus fixed 5V). The substitute maintains identical current sensing range, output type, sensitivity, and operating temperature range.

Q: Why is the ACS715LLCTR-30A-T marked "Not For New Designs"?

A: This designation indicates the part has been superseded in the manufacturer's product lifecycle. The ACS724LLCTR-30AU-T is the active replacement offering improved specifications and ongoing support.

Q: Are both parts RoHS compliant?

A: Yes. Both the ACS715LLCTR-30A-T and ACS724LLCTR-30AU-T are ROHS3 compliant and REACH unaffected.

Q: What is the impact of the improved accuracy specification on system design?

A: The ACS724LLCTR-30AU-T's ±0.7% accuracy versus the original ±1.5% reduces measurement error by approximately 50%, improving signal fidelity in current monitoring applications. This is particularly beneficial in precision power management and battery management systems.

Q: Does the extended frequency range of the substitute affect compatibility?

A: No. The ACS724LLCTR-30AU-T's 120kHz bandwidth encompasses the original 80kHz specification. Applications designed for the ACS715LLCTR-30A-T operate within the substitute's frequency range without modification.

Q: Can the supply voltage difference impact existing designs?

A: The ACS724LLCTR-30AU-T accepts 4.5V ~ 5.5V, providing tolerance for supply variations. If your design supplies exactly 5V, both parts operate identically. The substitute offers greater margin for power supply tolerance.