ATS657LSHTN-T Equivalent & Substitute Parts

Part Overview

The ATS657LSHTN-T is a digital switch special purpose Hall Effect magnetic sensor manufactured by Allegro MicroSystems, designed for current source applications in a 4-pin module configuration. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates across a wide supply voltage range of 4V to 18V with a maximum supply current of 16mA and features a sensing range of 70% trip and 30% release at 25°C test conditions.

Substiute Parts

ATS657LSHTN-T

Allegro MicroSystemsIn Stock: 859ATS657LSHTN-T Datasheet

Current PartRFQ

ATS692LSHTN-RSNPH-T

Allegro MicroSystemsIn Stock: 996ATS692LSHTN-RSNPH-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ATS657LSHTN-T is determined by strict alignment of the following critical parameters:

• Technology: Hall Effect current source operation
• Function: Special purpose digital switching
• Output Type: Current source configuration
• Voltage Supply Range: Compatibility with 4V ~ 18V minimum requirement
• Current Supply: Maximum 16mA or higher capability
• Operating Temperature Range: Full -40°C ~ 150°C support
• Mounting Type: Through hole configuration
• Package Form Factor: 4-pin module or 4-SIP equivalent
• Compliance: ROHS3 and REACH compliance maintained

The ATS692LSHTN-RSNPH-T qualifies as a direct substitute based on these parameters. Both components share identical Hall Effect technology, current source output, through-hole mounting, and full temperature range operation. The substitute part extends the supply voltage range to 4V ~ 24V, providing enhanced flexibility for higher voltage applications while maintaining backward compatibility with the original 4V ~ 18V specification.

Parameter Comparison

Engineering Selection Recommendations

The ATS692LSHTN-RSNPH-T is the qualified substitute for the obsolete ATS657LSHTN-T. Selection is supported by the following engineering factors:

Product Status: The substitute part maintains active product status with Allegro MicroSystems, ensuring continued availability and manufacturing support. The original part's obsolete classification necessitates transition to an actively produced alternative.

Compliance Alignment: Both components maintain identical ROHS3 and REACH compliance certifications, ensuring regulatory requirements are met without modification to existing compliance documentation.

Electrical Compatibility: The substitute part operates within the original supply voltage specification (4V ~ 18V) while extending the maximum rating to 24V. Supply current remains within acceptable tolerance (16mA original versus 16.5mA substitute). Sensing range parameters remain functionally equivalent (70%/30% versus 69%/31%), with negligible operational difference.

Physical Form Factor: Both components utilize through-hole mounting with 4-pin module configurations. The transition from 4-SSIP to 4-SIP package form maintains mechanical compatibility in standard through-hole PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the ATS692LSHTN-RSNPH-T directly replace the ATS657LSHTN-T in existing designs?

A: Yes. Both components share identical Hall Effect technology, current source output configuration, operating temperature range, and through-hole mounting. Electrical parameters remain compatible within the original 4V ~ 18V supply specification. The 4-SSIP to 4-SIP package transition maintains pin compatibility for standard through-hole applications.

Q: What is the difference in sensing range between these parts?

A: The original part specifies 70% trip and 30% release at 25°C. The substitute specifies 69% trip and 31% release across the full -40°C ~ 150°C operating range. This represents a negligible functional difference of 1% in trip and release thresholds, with no impact on practical switching performance.

Q: Does the extended voltage range of the substitute part affect circuit design?

A: No. The substitute part's extended 4V ~ 24V range provides additional design flexibility while maintaining full backward compatibility with the original 4V ~ 18V specification. Existing circuits designed for the original part operate identically with the substitute.

Q: Are there packaging differences between these components?

A: The original part uses 4-SSIP module packaging; the substitute uses 4-SIP module packaging. Both are through-hole configurations with identical pin counts and spacing suitable for standard PCB layouts. Packaging is supplied as Tape & Reel (TR) for the substitute part.

Q: What is the supply current difference between these parts?

A: The original part specifies a maximum supply current of 16mA. The substitute specifies 16.5mA. This 0.5mA increase is negligible for most applications and does not require circuit redesign.