MM3855LC1RLE Battery Protection IC Equivalent & Substitute Parts

Part Overview

The MM3855LC1RLE is a single-cell battery protection integrated circuit manufactured by Mitsumi Electric Company Ltd. This Power Management (PMIC) device provides protection for Lithium Ion/Polymer battery applications with over-current and over-voltage fault protection capabilities. The component is housed in an 8-XFDFN Exposed Pad surface-mount package and operates across an industrial temperature range of -40°C to 85°C.

The MM3855LC1RLE maintains Active product status with 656 units currently in stock. Substitute part identification becomes necessary when primary inventory is depleted, when alternative packaging configurations are required, or when supply chain optimization demands component consolidation across manufacturing facilities.

Substiute Parts

MM3855LC1RLE

Mitsumi Electric Company LtdIn Stock: 759MM3855LC1RLE Datasheet

Current PartRFQ

MM3855EN7RRE

Mitsumi Electric Company LtdIn Stock: 5968MM3855EN7RRE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MM3855LC1RLE is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Base Product Series: MM3855
• Manufacturer: Mitsumi Electric Company Ltd
• Function: Battery Protection
• Battery Chemistry: Lithium Ion/Polymer
• Number of Cells: 1
• Fault Protection: Over Current, Over Voltage
• Package / Case: 8-XFDFN Exposed Pad
• Supplier Device Package: SSON-8G
• Mounting Type: Surface Mount
• Operating Temperature Range: -40°C ~ 85°C
• RoHS Status: ROHS3 Compliant

The MM3855EN7RRE qualifies as a parametric equivalent because it maintains identical electrical specifications, protection features, package geometry, and thermal operating characteristics. Both components share the same base product number (MM3855) and are manufactured by the same supplier, ensuring functional interchangeability in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the MM3855LC1RLE and MM3855EN7RRE are Active product status components manufactured by Mitsumi Electric Company Ltd and maintain full ROHS3 compliance. These components are functionally equivalent for single-cell Lithium Ion/Polymer battery protection applications requiring over-current and over-voltage fault protection.

The MM3855EN7RRE presents an operational advantage through superior moisture sensitivity classification (MSL 1 with unlimited shelf life versus MSL 2 with 1-year shelf life), providing extended storage capability without baking requirements. Additionally, the MM3855EN7RRE maintains significantly higher inventory availability (5910 units versus 656 units), supporting extended production runs and supply chain continuity.

Both components are suitable for direct substitution in surface-mount applications utilizing the 8-XFDFN Exposed Pad package across the full -40°C to 85°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Are the MM3855LC1RLE and MM3855EN7RRE electrically interchangeable?

A: Yes. Both components share identical electrical specifications, protection features, and operating parameters. They are manufactured from the same base product series (MM3855) by Mitsumi Electric Company Ltd and provide equivalent battery protection functionality for single-cell Lithium Ion/Polymer applications.

Q: Can these components be used interchangeably on the same printed circuit board?

A: Yes. Both components utilize the identical 8-XFDFN Exposed Pad package (SSON-8G) with surface-mount configuration. Pin-to-pin compatibility and footprint alignment are identical, permitting direct substitution without circuit board redesign.

Q: What is the difference in moisture sensitivity between these parts?

A: The MM3855LC1RLE carries MSL 2 classification with a 1-year shelf life, requiring moisture baking before assembly if storage exceeds the specified period. The MM3855EN7RRE carries MSL 1 classification with unlimited shelf life, eliminating moisture management requirements during extended storage.

Q: Are both components RoHS compliant?

A: Yes. Both the MM3855LC1RLE and MM3855EN7RRE maintain ROHS3 compliance, meeting environmental and regulatory requirements for electronic component manufacturing and assembly.

Q: What is the operating temperature range for these battery protection ICs?

A: Both components operate across the industrial temperature range of -40°C to 85°C, supporting applications requiring extended thermal performance across consumer and industrial environments.

Q: Which component should be selected for new designs?

A: The MM3855EN7RRE is suitable for new designs, offering superior moisture sensitivity classification and higher inventory availability. Both components maintain Active product status and are appropriate for production implementation.