MAX6372KA-T Equivalent & Substitute Parts

Part Overview

The MAX6372KA-T is a supervisor integrated circuit from Analog Devices Inc./Maxim Integrated, classified as a Power Management (PMIC) device. It functions as a watchdog circuit with push-pull, totem pole output configuration in a SOT-23-8 surface mount package. The device monitors a single voltage channel with adjustable/selectable threshold and reset timeout parameters, operating across the industrial temperature range of -40°C to 125°C.

The MAX6372KA-T carries an obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and field replacement applications.

Substiute Parts

MAX6372KA-T

Analog Devices Inc./Maxim IntegratedIn Stock: 721MAX6372KA-T Datasheet

Current PartRFQ

MAX6372KA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 42584MAX6372KA+T Datasheet

DirectRFQ

MAX6370KA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 16536MAX6370KA+T Datasheet

Parametric EquivalentRFQ

MAX6374KA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 31629MAX6374KA+T Datasheet

Parametric EquivalentRFQ

MAX6374KA/V+T

Analog Devices Inc./Maxim IntegratedIn Stock: 66546MAX6374KA/V+T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX6372KA-T is determined by strict equivalence across the following parameters:

• Device type classification as a watchdog circuit supervisor
• Single voltage channel monitoring capability
• Adjustable/selectable voltage threshold and reset timeout functionality
• Push-pull, totem pole output configuration
• Active low reset logic
• Operating temperature range of -40°C to 125°C
• SOT-23-8 package and surface mount configuration
• Moisture sensitivity level MSL 1

The substitute parts listed below maintain identical functional and electrical parameters across all these criteria. Differences in product status (active versus obsolete) and RoHS compliance reflect manufacturing and regulatory updates rather than functional changes to the core device specification.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain functional equivalence to the MAX6372KA-T across core electrical and mechanical parameters. Selection among these alternatives should be based on the following factors:

Product Status and Availability: The MAX6372KA-T is obsolete. The substitute parts MAX6372KA+T, MAX6370KA+T, MAX6374KA+T, and MAX6374KA/V+T are all active products with significantly higher inventory levels, ensuring long-term supply chain reliability.

Regulatory Compliance: The original MAX6372KA-T is RoHS non-compliant. All substitute parts are ROHS3 compliant, meeting current environmental and regulatory requirements for new designs and manufacturing processes.

Automotive Grade Consideration: The MAX6374KA/V+T variant includes automotive grade qualification (AEC-Q100). This part is suitable for applications requiring automotive-level reliability and qualification standards. Non-automotive applications may select from the standard industrial-grade alternatives.

Packaging and Handling: All parts are supplied in SOT-23-8 surface mount packages with MSL 1 rating. The MAX6372KA+T, MAX6370KA+T, and MAX6374KA+T are available in Cut Tape (CT) and Digi-Reel® packaging formats, supporting both manual and automated assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can MAX6372KA-T be directly replaced with MAX6372KA+T?

A: Yes. The MAX6372KA+T is a direct functional equivalent with identical electrical specifications, output configuration, and package. The primary differences are active product status and ROHS3 compliance. The "+T" suffix indicates tape packaging format, while "-T" indicates a different packaging specification. Both maintain the same core functionality.

Q: What distinguishes MAX6370KA+T and MAX6374KA+T from MAX6372KA+T?

A: All three parts are parametric equivalents sharing identical watchdog circuit functionality, single voltage monitoring, adjustable threshold and timeout parameters, push-pull output, and SOT-23-8 packaging. The base product numbers (MAX6370, MAX6372, MAX6374) reflect different internal threshold voltage configurations, but all three maintain the same adjustable/selectable threshold capability specified in the parameter set. Selection among these three should be based on specific threshold voltage requirements and inventory availability.

Q: Is MAX6374KA/V+T suitable for non-automotive applications?

A: Yes. The MAX6374KA/V+T maintains all standard electrical and mechanical specifications required for industrial applications. The automotive grade qualification (AEC-Q100) and "/V" designation indicate additional qualification testing and reliability assurance. This part can be used in non-automotive designs where the enhanced qualification provides additional confidence in long-term reliability.

Q: Are there packaging differences that affect PCB assembly?

A: All substitute parts use SOT-23-8 surface mount packages with identical pin configurations and footprints. The packaging format differences (Cut Tape, Digi-Reel®, or unspecified) relate to supply and handling methods rather than the physical component. PCB assembly processes and footprint designs remain unchanged across all listed substitutes.

Q: What is the impact of MSL 1 rating on component storage and handling?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life with no moisture sensitivity restrictions. These parts do not require special moisture-controlled storage conditions or baking procedures prior to assembly, simplifying inventory management and reducing handling complexity compared to higher MSL-rated components.