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MIC5801BWM Equivalent & Substitute Parts
Part Overview
The MIC5801BWM is a Power Switch/Driver IC manufactured by Microchip Technology, designed as a latched bipolar driver with 1:1 input-to-output ratio and 8 outputs in a 24-SOIC package. This component is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and production continuity. The part operates across an industrial temperature range of -40°C to 85°C and delivers 500mA maximum output current at up to 50V load voltage.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MIC5801BWM |
| Manufacturer | Microchip Technology |
| Category | Power Management (PMIC) |
| Switch Type | Latched Driver |
| Number of Outputs | 8 |
| Ratio - Input:Output | 1:1 |
| Output Configuration | Low Side |
| Output Type | Bipolar |
| Interface | Strobe, Parallel |
| Voltage - Load (Max) | 50V |
| Current - Output (Max) | 500mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Discontinued at DiGi Electronics |
Substitute Part Grouping Explanation
Substitution eligibility for the MIC5801BWM is determined by strict equivalence across the following critical parameters:
- Switch Type & Output Configuration: Latched Driver with Low Side, Bipolar output
- Functional Architecture: 8 outputs with 1:1 input-to-output ratio
- Interface Protocol: Strobe and Parallel control interface
- Electrical Ratings: 50V maximum load voltage and 500mA maximum output current
- Package Specification: 24-SOIC form factor with identical pin pitch and dimensions
- Operating Temperature Range: -40°C to 85°C industrial specification
- Manufacturer: Microchip Technology (same manufacturer ensures design continuity)
The MIC5801YWM meets all substitution criteria as a direct equivalent from the same manufacturer with identical functional and electrical specifications.
Parameter Comparison
| Parameter | MIC5801BWM | MIC5801YWM | Match |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | ✓ |
| Switch Type | Latched Driver | Latched Driver | ✓ |
| Number of Outputs | 8 | 8 | ✓ |
| Ratio - Input:Output | 1:1 | 1:1 | ✓ |
| Output Configuration | Low Side | Low Side | ✓ |
| Output Type | Bipolar | Bipolar | ✓ |
| Interface | Strobe, Parallel | Strobe, Parallel | ✓ |
| Voltage - Load (Max) | 50V | 50V | ✓ |
| Current - Output (Max) | 500mA | 500mA | ✓ |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | ✓ |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | ✓ |
| Mounting Type | Surface Mount | Surface Mount | ✓ |
| Product Status | Discontinued at DiGi Electronics | Active | Upgrade |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Upgrade |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 3 (168 Hours) | Equivalent |
Engineering Selection Recommendations
The MIC5801YWM is the direct functional equivalent to the MIC5801BWM and is the appropriate substitute for new designs and production continuity. Selection rationale is based on the following factors:
Product Status: The MIC5801YWM maintains Active status with current manufacturer support, whereas the MIC5801BWM is discontinued. This ensures long-term availability and supply chain stability.
Regulatory Compliance: The MIC5801YWM is ROHS3 compliant, meeting current environmental and regulatory requirements. The MIC5801BWM is RoHS non-compliant, which may present compliance challenges in regulated markets.
Functional Equivalence: Both parts are identical in electrical performance, package form factor, and operational specifications. Pin-for-pin compatibility is confirmed across all 24 SOIC pins.
Moisture Sensitivity: The MIC5801YWM carries MSL 3 (168 Hours) versus MSL 1 (Unlimited) for the MIC5801BWM. This represents a minor difference in moisture handling requirements during storage and assembly, with no impact on final application performance.
Frequently Asked Questions (FAQ)
Q: Are the MIC5801BWM and MIC5801YWM pin-for-pin compatible?
A: Yes. Both parts use the 24-SOIC package with identical pin assignments, pitch, and dimensions (0.295", 7.50mm width). Direct PCB substitution is possible without layout modifications.
Q: What is the difference between the MIC5801BWM and MIC5801YWM?
A: The primary differences are product status and compliance. The MIC5801YWM is currently active with ROHS3 compliance, while the MIC5801BWM is discontinued and RoHS non-compliant. Electrical and functional specifications are identical.
Q: Can I use the MIC5801YWM in existing designs originally specified for the MIC5801BWM?
A: Yes. The MIC5801YWM is a direct substitute with identical electrical ratings, output configuration, and package specifications. No circuit modifications are required.
Q: What does MSL 3 (168 Hours) mean for the MIC5801YWM?
A: Moisture Sensitivity Level 3 indicates the component can be exposed to ambient conditions (30°C, 85% relative humidity) for up to 168 hours before soldering. This is a standard industrial specification with no impact on application performance.
Q: Is the MIC5801YWM available in the same packaging format?
A: Yes. The MIC5801YWM is supplied in Tube packaging, matching the MIC5801BWM format for production handling and inventory management.
Q: What is the maximum load voltage for both parts?
A: Both the MIC5801BWM and MIC5801YWM support a maximum load voltage of 50V with 500mA output current per channel across all 8 outputs.
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