MC3651DFBAAM Equivalent & Substitute Parts

Part Overview

The MC3651DFBAAM is a 1-cell battery protection integrated circuit manufactured by Mitsumi Electric Company Ltd. This device provides protection for lithium ion and lithium polymer battery applications through integrated field-effect transistor (FET) control. The MC3651DFBAAM is classified as a Power Management IC (PMIC) and is currently in active product status. Battery protection ICs are essential components in single-cell lithium battery systems to prevent damage from over-current and over-voltage fault conditions. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity.

Substiute Parts

MC3651DFBAAM

Mitsumi Electric Company LtdIn Stock: 1109MC3651DFBAAM Datasheet

Current PartRFQ

MC3651DF1AAM

Mitsumi Electric Company LtdIn Stock: 4660MC3651DF1AAM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MC3651DFBAAM is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Parameters:

• Battery Chemistry: Lithium Ion/Polymer
• Number of Cells: 1
• Fault Protection Type: Over Current, Over Voltage
• Package / Case: 4-XDFN Exposed Pad
• Supplier Device Package: PLP-4E
• Operating Temperature Range: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Base Product Number: MC3651

The substitute part MC3651DF1AAM meets all mandatory equivalence parameters and is manufactured by the same supplier (Mitsumi Electric Company Ltd). Both parts belong to the MC3651 series and provide identical functional protection for single-cell lithium battery applications. The parts are interchangeable at the functional and mechanical level within the specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Both the MC3651DFBAAM and MC3651DF1AAM are active products manufactured by Mitsumi Electric Company Ltd and hold ROHS3 compliance certification. The parts are functionally and mechanically equivalent for single-cell lithium ion and lithium polymer battery protection applications.

The primary distinction between the two parts is the Moisture Sensitivity Level (MSL) rating. The MC3651DFBAAM carries an MSL rating of 2 with a 1-year shelf life, while the MC3651DF1AAM carries an MSL rating of 1 with unlimited shelf life. This difference reflects storage and handling requirements but does not affect functional performance or electrical characteristics in the application.

Selection between these parts should be based on supply chain availability, inventory requirements, and storage conditions. Both parts are suitable for direct substitution in designs requiring single-cell lithium battery protection with over-current and over-voltage fault detection.

Frequently Asked Questions (FAQ)

Q: Can MC3651DF1AAM be used as a direct replacement for MC3651DFBAAM in existing designs?

A: Yes. Both parts are functionally and mechanically equivalent. They provide identical battery protection functionality for single-cell lithium ion and lithium polymer applications, operate across the same temperature range, and use the same 4-XDFN Exposed Pad package with PLP-4E supplier device package designation.

Q: What is the significance of the different MSL ratings between these parts?

A: The Moisture Sensitivity Level (MSL) rating indicates the maximum shelf life and storage conditions for the component. MC3651DFBAAM has an MSL of 2 (1-year shelf life), while MC3651DF1AAM has an MSL of 1 (unlimited shelf life). This affects storage and handling procedures but does not impact electrical performance or application compatibility.

Q: Are both parts available in the same packaging format?

A: Yes. Both MC3651DFBAAM and MC3651DF1AAM are supplied in Tape & Reel (TR) packaging and use the identical 4-XDFN Exposed Pad package with PLP-4E supplier device package specification.

Q: Do these parts require different PCB layouts or design modifications?

A: No. Both parts use the same package footprint (4-XDFN Exposed Pad) and are surface-mount components. PCB layouts, solder profiles, and design considerations remain identical between the two parts.

Q: Are both parts RoHS compliant?

A: Yes. Both MC3651DFBAAM and MC3651DF1AAM are ROHS3 compliant and meet environmental regulatory requirements for electronic component manufacturing and use.

Q: What fault protection functions do these parts provide?

A: Both parts provide over-current and over-voltage protection for single-cell lithium ion and lithium polymer battery applications through integrated FET control.