MIC2199BML-TR Equivalent & Substitute Parts

Part Overview

The MIC2199BML-TR 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 MIC2199BML-TR is currently discontinued at DiGi Electronics, making identification of suitable alternatives necessary for ongoing design support and production continuity.

Substiute Parts

MIC2199BML-TR

Microchip TechnologyIn Stock: 873MIC2199BML-TR Datasheet

Current PartRFQ

MIC2199YML-TR

Microchip TechnologyIn Stock: 5896MIC2199YML-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The MIC2199YML-TR qualifies as a parametric equivalent to the MIC2199BML-TR based on the following substitution criteria:

Matching Electrical Parameters:

• Identical voltage supply range: 4.5V ~ 32V
• Identical switching frequency: 300kHz
• Identical maximum duty cycle: 85%
• Identical synchronous rectifier capability: Yes
• Identical control features: Enable
• Identical operating temperature range: -40°C ~ 125°C (TJ)

Matching Mechanical Parameters:

• Identical package type: 12-VFDFN Exposed Pad, 12-MLF® (4x4)
• Identical mounting type: Surface Mount
• Identical MSL rating: 3 (168 Hours)

Functional Equivalence:

• Same base product number: MIC2199
• Same output type: Transistor Driver
• Same topology: Buck
• Same output configuration: Positive
• Same number of outputs: 1
• Same output phases: 1

Parameter Comparison

Engineering Selection Recommendations

The MIC2199YML-TR is the direct parametric equivalent for the discontinued MIC2199BML-TR. All electrical and mechanical parameters are identical, ensuring pin-for-pin and functional compatibility in existing circuit designs.

Product Status Consideration: The MIC2199YML-TR carries an Active product status with current inventory availability (5821 Pcs), whereas the MIC2199BML-TR is discontinued. This makes the MIC2199YML-TR the appropriate selection for new production and design continuity.

Compliance Difference: The MIC2199YML-TR is ROHS3 compliant, while the MIC2199BML-TR is RoHS non-compliant. This compliance upgrade in the substitute part may be advantageous for applications subject to RoHS regulations.

Frequently Asked Questions (FAQ)

Q: Can the MIC2199YML-TR directly replace the MIC2199BML-TR in existing designs?

A: Yes. The MIC2199YML-TR is a parametric equivalent with identical electrical specifications, switching frequency, duty cycle, synchronous rectifier capability, operating temperature range, and package configuration. No circuit modifications are required.

Q: Are there any differences in pin configuration between these parts?

A: No. Both parts use the identical 12-VFDFN Exposed Pad, 12-MLF® (4x4) package with the same pin assignments and exposed pad configuration.

Q: What is the significance of the RoHS compliance difference?

A: The MIC2199YML-TR is ROHS3 compliant while the MIC2199BML-TR is not. For applications requiring RoHS compliance, the MIC2199YML-TR meets this regulatory requirement. For applications without RoHS requirements, both parts are functionally equivalent.

Q: Are the supply voltage and switching frequency specifications identical?

A: Yes. Both parts operate with a 4.5V ~ 32V supply voltage range and a 300kHz switching frequency, ensuring identical performance in step-down DC-DC converter applications.

Q: What is the MSL rating and why is it important?

A: Both parts have an MSL rating of 3 (168 Hours), indicating identical moisture sensitivity levels. This specification is critical for surface mount assembly processes and storage conditions.