MIC5219-2.85BMM Equivalent & Substitute Parts

Part Overview

The MIC5219-2.85BMM is a linear voltage regulator IC from Microchip Technology designed for positive fixed output applications. This device delivers 500mA output current with a fixed 2.85V output and is housed in an 8-MSOP surface mount package. The part is currently discontinued at DiGi Electronics, making identification of suitable substitutes essential for ongoing production and maintenance applications.

Substiute Parts

MIC5219-2.85BMM

Microchip TechnologyIn Stock: 50391MIC5219-2.85BMM Datasheet

Current PartRFQ

MIC5219-2.85YMM

Microchip TechnologyIn Stock: 1276MIC5219-2.85YMM Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The MIC5219-2.85YMM qualifies as a direct substitute for the MIC5219-2.85BMM based on identical electrical and mechanical specifications. Both parts share the same base product number (MIC5219) and are manufactured by Microchip Technology with matching output voltage (2.85V), output current (500mA), input voltage rating (12V maximum), dropout voltage (0.6V @ 500mA), quiescent current (8 µA), PSRR (75dB at 120Hz), and package configuration (8-MSOP).

The substitution is valid across all critical parameters that determine functional compatibility: output configuration, output type, number of regulators, control features, protection features, operating temperature range, and mounting type. The primary difference between these parts is packaging format (Bulk versus Tube) and product status (Discontinued versus Active).

Parameter Comparison

Engineering Selection Recommendations

The MIC5219-2.85YMM is the direct functional equivalent of the MIC5219-2.85BMM for all electrical and mechanical applications. Selection between these parts should be based on product availability and regulatory compliance requirements.

The MIC5219-2.85BMM is discontinued, limiting its availability for new designs and ongoing production. The MIC5219-2.85YMM maintains active product status with current inventory availability, making it the preferred choice for new applications and component replenishment.

For applications requiring RoHS3 compliance, the MIC5219-2.85YMM is the appropriate selection. The MIC5219-2.85BMM carries RoHS non-compliant status and should be reserved for legacy systems where compliance exemptions apply.

Both parts carry identical REACH Unaffected and EAR99 ECCN classifications, ensuring equivalent regulatory treatment in export and supply chain contexts.

Frequently Asked Questions (FAQ)

Q: Can the MIC5219-2.85YMM replace the MIC5219-2.85BMM in existing designs?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters. Direct substitution is valid without circuit modification or re-qualification.

Q: What is the difference between Bulk and Tube packaging?

A: Bulk packaging (BMM) and Tube packaging (YMM) represent different distribution formats. Bulk packaging is typically used for high-volume orders, while Tube packaging is standard for component distribution. The internal component specifications remain identical.

Q: Are there compliance differences between these parts?

A: Yes. The MIC5219-2.85YMM is ROHS3 compliant, while the MIC5219-2.85BMM is RoHS non-compliant. For applications requiring RoHS compliance, the YMM variant must be selected.

Q: What are the critical parameters for substitution validity?

A: Substitution validity is determined by matching output voltage (2.85V), output current (500mA), input voltage rating (12V maximum), dropout voltage (0.6V @ 500mA), package type (8-MSOP), and protection features (Over Current, Over Temperature, Reverse Polarity).

Q: Is the 8-MSOP package footprint identical between both parts?

A: Yes. Both parts use the 8-MSOP package with 0.118" width (3.00mm). PCB footprints and land patterns are identical, requiring no layout modifications.

Q: What is the operating temperature range for both parts?

A: Both the MIC5219-2.85BMM and MIC5219-2.85YMM operate across -40°C to 125°C, supporting equivalent thermal performance in all environmental conditions.