MIC2198BML Equivalent & Substitute Parts

Part Overview

The MIC2198BML is a buck regulator positive output step-down DC-DC controller IC manufactured by Microchip Technology in a 12-MLF® (4x4) package. This component functions as a transistor driver for step-down voltage conversion applications with a single output phase. The MIC2198BML is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. Active equivalent models maintain identical electrical and mechanical specifications while offering current product status and improved compliance certifications.

Substiute Parts

MIC2198BML

Microchip TechnologyIn Stock: 4410MIC2198BML Datasheet

Current PartRFQ

MIC2198YML

Microchip TechnologyIn Stock: 6942MIC2198YML Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC2198BML is determined by strict equivalence across all electrical and mechanical parameters. The primary substitute, MIC2198YML, maintains identical specifications in the following critical areas:

• Functional topology: Buck regulator with step-down configuration
• Output characteristics: Single-phase, positive output, transistor driver type
• Electrical performance: 4.5V ~ 32V supply range, 500kHz switching frequency, 76% maximum duty cycle
• Synchronous rectifier capability: Present in both variants
• Package specification: 12-VFDFN Exposed Pad, 12-MLF® (4x4) form factor
• Thermal and environmental ratings: -40°C ~ 125°C operating range, MSL 3 (168 Hours)

The MIC2198YML differs from the MIC2198BML only in product status (active versus obsolete) and compliance certifications, making it a direct functional equivalent suitable for replacement in new designs and production applications.

Parameter Comparison

Engineering Selection Recommendations

The MIC2198YML is the direct equivalent for the obsolete MIC2198BML. Selection of MIC2198YML is appropriate for all applications currently using or designed for the MIC2198BML due to complete electrical and mechanical compatibility.

The MIC2198YML offers additional advantages in new designs: active product status ensures continued manufacturer support and availability, and ROHS3 compliance satisfies regulatory requirements for products subject to RoHS directives. The MIC2198BML's RoHS non-compliant status and obsolete classification make it unsuitable for new production applications where regulatory compliance and long-term supply assurance are required.

Both parts maintain identical electrical performance characteristics, package footprint, and thermal specifications, enabling direct substitution without circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can MIC2198YML be used as a direct replacement for MIC2198BML in existing designs?

A: Yes. The MIC2198YML is electrically and mechanically identical to the MIC2198BML. Pin configuration, package footprint, electrical performance, and thermal ratings are equivalent. No circuit modifications or PCB layout changes are required.

Q: What is the primary difference between MIC2198BML and MIC2198YML?

A: The MIC2198YML is the active production equivalent of the obsolete MIC2198BML. Both parts are functionally identical. The MIC2198YML offers active product status, improved availability, and ROHS3 compliance certification.

Q: Are there any package or pinout differences between these parts?

A: No. Both the MIC2198BML and MIC2198YML use the identical 12-VFDFN Exposed Pad, 12-MLF® (4x4) package with the same pinout configuration.

Q: Does the MIC2198YML meet RoHS compliance requirements?

A: Yes. The MIC2198YML is ROHS3 compliant. The obsolete MIC2198BML is RoHS non-compliant. For applications subject to RoHS directives, the MIC2198YML is the required selection.

Q: What is the moisture sensitivity level for these parts?

A: Both the MIC2198BML and MIC2198YML have a Moisture Sensitivity Level (MSL) of 3, rated for 168 hours of exposure. Standard moisture control procedures during storage and handling apply to both variants.

Q: Are the electrical specifications identical between MIC2198BML and MIC2198YML?

A: Yes. Supply voltage range (4.5V ~ 32V), switching frequency (500kHz), maximum duty cycle (76%), operating temperature range (-40°C ~ 125°C), and all functional characteristics are identical.