MCP19035-BAAAE/MF Equivalent & Substitute Parts

Part Overview

The MCP19035-BAAAE/MF is a buck regulator positive output step-down DC-DC controller IC manufactured by Microchip Technology. This surface mount device operates in the 4.5V to 30V supply voltage range with a 600kHz switching frequency and 85% maximum duty cycle. The component is actively produced and widely used in power management applications requiring single-output buck topology with synchronous rectification and integrated control features including enable, phase control, and power good monitoring.

Substitute parts are identified when equivalent electrical and mechanical parameters allow direct replacement without circuit redesign, ensuring continuity of supply and manufacturing flexibility.

Substiute Parts

MCP19035-BAAAE/MF

Microchip TechnologyIn Stock: 3423MCP19035-BAAAE/MF Datasheet

Current PartRFQ

MCP19035-BAABE/MF

Microchip TechnologyIn Stock: 8568MCP19035-BAABE/MF Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCP19035-BAAAE/MF are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key criteria:

Electrical Equivalence Requirements:

• Identical manufacturer (Microchip Technology)
• Identical function (Step-Down Buck Regulator Controller)
• Identical output type (Transistor Driver)
• Identical topology (Buck)
• Identical number of outputs and phases (1 output, 1 phase)
• Identical supply voltage range (4.5V ~ 30V)
• Identical switching frequency (600kHz)
• Identical maximum duty cycle (85%)
• Identical synchronous rectifier capability (Yes)
• Identical control features (Enable, Phase Control, Power Good)
• Identical operating temperature range (-40°C ~ 125°C)

Mechanical Equivalence Requirements:

• Identical package type (10-VFDFN Exposed Pad)
• Identical mounting type (Surface Mount)
• Identical base product number (MCP19035)

Compliance Equivalence Requirements:

• Identical RoHS status (ROHS3 Compliant)
• Identical moisture sensitivity level (MSL 1)
• Identical REACH status (REACH Unaffected)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The MCP19035-BAABE/MF is a direct parametric equivalent to the MCP19035-BAAAE/MF. Both components are manufactured by Microchip Technology, share identical electrical specifications, and are housed in the same 10-VFDFN package. Both parts maintain Active product status and comply with ROHS3 and REACH requirements.

Selection between these parts may be based on availability and inventory levels. The MCP19035-BAABE/MF currently has higher inventory availability (8462 pcs) compared to the MCP19035-BAAAE/MF (3360 pcs), making it a viable alternative when supply constraints exist.

No circuit modifications, PCB layout changes, or firmware updates are required when substituting between these parts. Pin configuration, electrical performance, and thermal characteristics remain identical.

Frequently Asked Questions (FAQ)

Q: Can MCP19035-BAABE/MF be used as a direct replacement for MCP19035-BAAAE/MF?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, package type, and control features. No circuit redesign is necessary.

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

A: No. Both parts use the 10-VFDFN package with exposed pad and maintain identical pinout.

Q: Do these parts require different PCB layouts?

A: No. The mechanical and electrical equivalence ensures that existing PCB designs require no modification.

Q: What is the significance of the part number suffix difference (BAAAE vs BAABE)?

A: The suffix variation indicates different manufacturing batches or date codes from Microchip Technology. Both suffixes represent the same functional device with identical specifications.

Q: Are both parts suitable for the full operating temperature range?

A: Yes. Both parts operate across the -40°C to 125°C junction temperature range.

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

A: Both parts have MSL 1 rating, indicating unlimited shelf life under standard storage conditions.

Q: Are these parts RoHS compliant?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected.