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MIC29302BU TR Equivalent & Substitute Parts Reference
Part Overview
The MIC29302BU TR is a power management IC, classified specifically as a linear voltage regulator, manufactured by Microchip Technology. It features a positive adjustable output, supports up to 3A output current, and is provided in a TO-263-5 surface mount package. The part is currently obsolete, making it essential to identify equivalent and substitute linear regulator ICs for supply continuity, maintenance, and new design activities.
Substiute Parts
Key Parameters
| Parameter | Main Part Value |
|---|---|
| Manufacturer Part Number | MIC29302BU TR |
| Category | Power Management (PMIC) |
| Description | IC REG LINEAR POS ADJ 3A TO263-5 |
| Detailed Description | Linear Voltage Regulator IC Positive Adjustable 1 Output 3A TO-263-5 |
| Product Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Voltage - Output (Max) | 25V |
| Voltage Dropout (Max) | 0.6V @ 3A |
| Current - Output | 3A |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Transient Voltage |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 |
| Base Product Number | MIC29302 |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0060 |
Substitute Part Grouping Explanation
Substitute parts are determined strictly by matching key electrical and mechanical parameters. The allowed substitution parameters are:
- Output Configuration: Positive
- Output Type: Adjustable
- Number of Regulators: 1
- Voltage - Input (Max): 26V
- Voltage - Output (Min/Fixed): 1.25V
- Voltage - Output (Max): 25V
- Voltage Dropout (Max): 0.6V @ 3A
- Current - Output: 3A
- Control Features: Enable
- Protection Features: Over Current, Over Temperature, Reverse Polarity, Transient Voltage
- Operating Temperature: -40°C ~ 125°C
- Mounting Type: Surface Mount
- Package / Case: TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
- Supplier Device Package: TO-263-5
Substitution is approved only when all listed parameters are matched.
Parameter Comparison
| Parameter | MIC29302BU TR (Main Part) | MIC29302WU-TR (Substitute) |
|---|---|---|
| Manufacturer Part Number | MIC29302BU TR | MIC29302WU-TR |
| Manufacturer | Microchip Technology | Microchip Technology |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Description | IC REG LINEAR POS ADJ 3A TO263-5 | IC REG LINEAR POS ADJ 3A TO263-5 |
| Output Configuration | Positive | Positive |
| Output Type | Adjustable | Adjustable |
| Number of Regulators | 1 | 1 |
| Voltage - Input (Max) | 26V | 26V |
| Voltage - Output (Min/Fixed) | 1.25V | 1.25V |
| Voltage - Output (Max) | 25V | 25V |
| Voltage Dropout (Max) | 0.6V @ 3A | 0.6V @ 3A |
| Current - Output | 3A | 3A |
| Control Features | Enable | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Transient Voltage | Over Current, Over Temperature, Reverse Polarity, Transient Voltage |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 | TO-263-5 |
| Base Product Number | MIC29302 | MIC29302 |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
When selecting substitute parts for MIC29302BU TR, the part status, compliance, and certifications are key considerations. MIC29302WU-TR matches all electrical and mechanical parameters and offers an updated RoHS status (ROHS3 Compliant) compared to MIC29302BU TR (RoHS non-compliant), which is relevant for regulatory requirements. The substitute is in an "Active" status, thereby meeting criteria for ongoing production use, while the main part is obsolete. Both parts fulfill REACH and ECCN criteria equivalently and have the same MSL rating.
Frequently Asked Questions (FAQ)
Q: What parameters determine if MIC29302WU-TR is suitable as a substitute for MIC29302BU TR?
A: Suitability is determined strictly by matching output configuration, output type, regulator count, voltage input and output range, dropout voltage, output current, control and protection features, operating temperature, mounting type, and package.
Q: Are the package and footprint identical between MIC29302BU TR and MIC29302WU-TR?
A: Both parts are provided in the TO-263-5 supplier device package, with identical mechanical characteristics as listed.
Q: Is the substitute RoHS compliant?
A: MIC29302WU-TR is ROHS3 Compliant, whereas MIC29302BU TR is RoHS non-compliant.
Q: Can the substitute be used for applications requiring REACH unaffected status and ECCN EAR99?
A: Both MIC29302BU TR and MIC29302WU-TR have REACH unaffected status and ECCN EAR99.
Q: What is the moisture sensitivity level for both parts?
A: Both have Moisture Sensitivity Level (MSL) 3 (168 Hours), suitable for standard SMT manufacturing practices.
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