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BD18GC0MEFJ-ME2 Equivalent & Substitute Parts
Part Overview
The BD18GC0MEFJ-ME2 is a linear voltage regulator IC from ROHM Semiconductor designed for power management applications. This positive fixed output regulator delivers 1A at 1.8V with integrated protection features including over-current, over-temperature, and soft-start functionality. The device is qualified to AEC-Q100 automotive standards and operates across the -40°C to 105°C temperature range. As an active product with established supply availability, equivalent substitute parts exist within the same product family to support component sourcing flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semiconductor |
| Category | Power Management (PMIC) |
| Output Voltage (Fixed) | 1.8V |
| Output Current | 1A |
| Input Voltage (Max) | 14V |
| Voltage Dropout (Max) | 1.2V @ 1A |
| Package Type | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-HTSOP-J |
| Operating Temperature Range | -40°C to 105°C |
| Protection Features | Over Current, Over Temperature, Soft Start |
| Control Features | Enable |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the BD18GC0MEFJ-ME2 are determined by equivalence across the following critical parameters:
- Output voltage specification (1.8V fixed)
- Output current rating (1A)
- Maximum input voltage (14V)
- Voltage dropout characteristics (1.2V @ 1A)
- Package configuration (8-SOIC with exposed pad, 8-HTSOP-J supplier package)
- Operating temperature range (-40°C to 105°C)
- Protection and control feature set (Over Current, Over Temperature, Soft Start, Enable)
- Base product number (BD18GC0)
- Compliance standards (ROHS3, AEC-Q100 automotive qualification)
The BD18GC0 product family contains variants distinguished by suffix designations that indicate packaging or qualification differences. Parts sharing identical electrical specifications and package footprints are classified as parametric equivalents.
Parameter Comparison
| Parameter | BD18GC0MEFJ-ME2 | BD18GC0MEFJ-LBH2 |
|---|---|---|
| Manufacturer | ROHM Semiconductor | Rohm Semiconductor |
| Output Voltage (Fixed) | 1.8V | 1.8V |
| Output Current | 1A | 1A |
| Input Voltage (Max) | 14V | 14V |
| Voltage Dropout (Max) | 1.2V @ 1A | 1.2V @ 1A |
| Supply Current (Max) | 1.2 mA | 1.2 mA |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-HTSOP-J | 8-HTSOP-J |
| Operating Temperature Range | -40°C to 105°C | -40°C to 105°C |
| Protection Features | Over Current, Over Temperature, Soft Start | Over Current, Over Temperature, Soft Start |
| Control Features | Enable | Enable |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both BD18GC0MEFJ-ME2 and BD18GC0MEFJ-LBH2 are active products with identical electrical and mechanical specifications. Selection between these parts should be based on:
- Inventory availability and lead time requirements
- Supplier packaging and distribution channel preferences
- Automotive qualification requirements (BD18GC0MEFJ-ME2 carries explicit AEC-Q100 qualification designation)
- Compliance documentation requirements for specific applications
Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, supporting deployment in automotive and industrial environments across the specified temperature range.
Frequently Asked Questions (FAQ)
Q: Can BD18GC0MEFJ-LBH2 be used as a direct replacement for BD18GC0MEFJ-ME2?
A: Yes. Both parts share identical electrical specifications, output voltage (1.8V), output current (1A), voltage dropout (1.2V @ 1A), package configuration (8-SOIC with exposed pad), and protection features. The suffix designation indicates packaging or qualification variant, not functional difference.
Q: What is the significance of the suffix designations (-ME2 vs -LBH2)?
A: Suffix designations within the BD18GC0 family indicate packaging or qualification variants. Both suffixes represent valid product configurations within the same electrical family. The -ME2 variant explicitly carries AEC-Q100 automotive qualification documentation.
Q: Are there any package or footprint differences between these parts?
A: No. Both parts use the 8-SOIC (0.154", 3.90mm Width) package with exposed pad and are supplied in 8-HTSOP-J configuration. PCB footprints and land patterns are identical.
Q: What protection features are included in these regulators?
A: Both parts include over-current protection, over-temperature protection, and soft-start functionality. An enable control feature allows external circuit control of regulator operation.
Q: Are these parts suitable for automotive applications?
A: Yes. Both parts operate across the -40°C to 105°C automotive temperature range. BD18GC0MEFJ-ME2 carries explicit AEC-Q100 qualification. Compliance documentation should be verified for specific automotive qualification requirements.
Q: What is the maximum input voltage these regulators accept?
A: The maximum input voltage is 14V for both parts. Design circuits must ensure input voltage does not exceed this specification.
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