MIC2074-1YM Equivalent & Substitute Parts

Part Overview

The MIC2074-1YM is a Power Management Integrated Circuit (PMIC) functioning as a power switch/driver with 1:2 N-Channel configuration, rated for 500mA maximum output current. This component is classified as Obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The part operates across a 2.7V to 5.5V load voltage range with integrated fault protection including current limiting, over-temperature monitoring, reverse current protection, and under-voltage lockout (UVLO).

Substiute Parts

MIC2074-1YM

Microchip TechnologyIn Stock: 1050MIC2074-1YM Datasheet

Current PartRFQ

MIC2076-1YM

Microchip TechnologyIn Stock: 1430MIC2076-1YM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC2074-1YM is determined by strict equivalence across the following critical parameters:

• Functional Architecture: 1:2 N-Channel power switch configuration with identical output topology
• Electrical Interface: On/Off control with non-inverting input logic
• Load Voltage Range: 2.7V ~ 5.5V compatibility
• Package Compatibility: 8-SOIC form factor with matching pinout
• Fault Protection Suite: Current limiting, over-temperature, reverse current, and UVLO protection
• Operating Temperature Range: -40°C ~ 85°C
• Compliance Standards: ROHS3 compliance and MSL Level 1

The MIC2076-1YM qualifies as a direct substitute based on identical functional architecture, electrical interface, voltage specifications, package form factor, protection features, and compliance certifications. The primary distinction is enhanced current-handling capability (1.25A vs. 500mA) and improved on-resistance (90mOhm vs. 115mOhm), positioning it as a higher-performance variant suitable for applications requiring increased output current capacity.

Parameter Comparison

Engineering Selection Recommendations

The MIC2076-1YM is the designated active substitute for the obsolete MIC2074-1YM. Selection is justified on the following engineering criteria:

Product Status Alignment: The MIC2076-1YM maintains Active product status, ensuring continued availability, manufacturing support, and compliance with current supply chain requirements. The MIC2074-1YM's Obsolete classification eliminates it from new design consideration.

Functional Equivalence: Both parts maintain identical 1:2 N-Channel power switch architecture, On/Off control interface, and non-inverting input logic. Pinout compatibility within the 8-SOIC package enables direct board-level substitution without layout modification.

Electrical Compatibility: Load voltage range (2.7V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and fault protection architecture (current limiting, over-temperature, UVLO) are fully preserved. The MIC2076-1YM's enhanced current rating (1.25A vs. 500mA) and reduced on-resistance (90mOhm vs. 115mOhm) provide performance headroom without introducing incompatibility.

Compliance Certification: Both parts maintain ROHS3 compliance and MSL Level 1 rating, satisfying regulatory and environmental requirements for equivalent component selection.

Frequently Asked Questions (FAQ)

Q: Can the MIC2076-1YM directly replace the MIC2074-1YM on existing PCBs?

A: Yes. Both parts utilize identical 8-SOIC packaging with matching pinout, load voltage specifications (2.7V ~ 5.5V), and control interface (On/Off, non-inverting). No PCB modification is required for direct substitution.

Q: What are the key differences between MIC2074-1YM and MIC2076-1YM?

A: The MIC2076-1YM provides enhanced current-handling capability (1.25A vs. 500mA) and improved on-resistance (90mOhm vs. 115mOhm). The MIC2074-1YM includes reverse current protection in its fault protection suite, while the MIC2076-1YM omits this feature. The MIC2076-1YM maintains Active product status, whereas the MIC2074-1YM is Obsolete.

Q: Are the fault protection features identical between these parts?

A: Both parts include current limiting (fixed), over-temperature protection, and UVLO. The MIC2074-1YM additionally incorporates reverse current protection. This difference does not prevent substitution in applications where reverse current protection is not required.

Q: What is the significance of the 1:2 ratio in these power switches?

A: The 1:2 ratio indicates that a single input control signal manages two independent N-Channel output switches. This configuration enables dual-channel power distribution from a single control interface.

Q: Are these parts suitable for high-temperature applications?

A: Both parts operate across -40°C to 85°C ambient temperature range. Applications requiring operation beyond 85°C require alternative component selection.

Q: What does MSL Level 1 indicate for these components?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture-related degradation concerns. These parts do not require special moisture-control storage or handling procedures.