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MIC2025-2FBM Equivalent & Substitute Parts
Part Overview
The MIC2025-2FBM is a power switch/driver IC manufactured by Microchip Technology, designed for general-purpose high-side N-channel switching applications. This device features a 1:1 input-to-output ratio with 500mA maximum output current, operating across a 2.7V to 5.5V load voltage range. The MIC2025-2FBM is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MIC2025-2FBM |
| Manufacturer | Microchip Technology |
| Category | Power Management (PMIC) |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Switch Type | General Purpose |
| Output Configuration | High Side, N-Channel |
| Number of Outputs | 1 |
| Ratio - Input:Output | 1:1 |
| Voltage - Load | 2.7V ~ 5.5V |
| Current - Output (Max) | 500mA |
| Rds On (Typ) | 90mOhm |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS non-compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the MIC2025-2FBM is determined by the following critical parameters:
- Package compatibility: 8-SOIC form factor required for direct PCB replacement
- Electrical specifications: 1:1 input-to-output ratio, high-side N-channel output configuration, 500mA maximum output current capability
- Voltage range: 2.7V to 5.5V load voltage operation
- Fault protection: Current limiting, over-temperature, and UVLO protection required
- Operating temperature range: -40°C to 85°C (TA)
- Interface type: On/Off control capability
The TPS2041BD from Texas Instruments meets all critical substitution criteria, maintaining identical package geometry, electrical output specifications, voltage ratings, and fault protection mechanisms. Both devices operate within the same temperature range and provide equivalent high-side N-channel switching functionality in the same physical footprint.
Parameter Comparison
| Parameter | MIC2025-2FBM | TPS2041BD |
|---|---|---|
| Manufacturer | Microchip Technology | Texas Instruments |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Switch Type | General Purpose | General Purpose |
| Output Configuration | High Side, N-Channel | High Side, N-Channel |
| Number of Outputs | 1 | 1 |
| Ratio - Input:Output | 1:1 | 1:1 |
| Voltage - Load | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Current - Output (Max) | 500mA | 500mA |
| Rds On (Typ) | 90mOhm | 70mOhm |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO | Current Limiting (Fixed), Over Temperature, UVLO |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Discontinued at DiGi Electronics | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The TPS2041BD is the qualified substitute for the MIC2025-2FBM based on the following factors:
Product Status: The MIC2025-2FBM is discontinued at DiGi Electronics, while the TPS2041BD maintains active product status with 2600 units in stock. This ensures long-term component availability for production and field replacement requirements.
Regulatory Compliance: The TPS2041BD is ROHS3 compliant, meeting current environmental and regulatory standards. The MIC2025-2FBM is RoHS non-compliant, which may present procurement restrictions in regulated markets.
Electrical Performance: Both devices share identical load voltage ranges (2.7V ~ 5.5V), maximum output current (500mA), operating temperature range (-40°C ~ 85°C), and fault protection mechanisms. The TPS2041BD exhibits a lower typical on-resistance (70mOhm versus 90mOhm), providing improved thermal efficiency and reduced power dissipation in switching applications.
Physical Compatibility: Both parts utilize the 8-SOIC package with identical dimensions (0.154", 3.90mm width), enabling direct PCB footprint compatibility without layout modifications.
Frequently Asked Questions (FAQ)
Q: Can the TPS2041BD directly replace the MIC2025-2FBM on existing PCBs?
A: Yes. Both devices use the 8-SOIC package with identical pin spacing and dimensions. No PCB layout changes are required for physical replacement.
Q: What is the primary difference between these two parts?
A: The TPS2041BD has a lower typical on-resistance (70mOhm versus 90mOhm) and is ROHS3 compliant. The MIC2025-2FBM is discontinued, making the TPS2041BD the active alternative for new designs and ongoing procurement.
Q: Are the electrical specifications identical?
A: The critical specifications are identical: 1:1 input-to-output ratio, 500mA maximum output current, 2.7V to 5.5V load voltage range, -40°C to 85°C operating temperature, and identical fault protection (current limiting, over-temperature, UVLO). The TPS2041BD offers improved on-resistance performance.
Q: Does the input control logic differ between these parts?
A: The MIC2025-2FBM uses non-inverting input logic, while the TPS2041BD uses inverting input logic. Circuit designs must account for this control signal polarity difference during implementation.
Q: What packaging options are available for the TPS2041BD?
A: The TPS2041BD is supplied in tube packaging, compared to bulk packaging for the MIC2025-2FBM. Both maintain the same 8-SOIC component package.
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