BD30HC5MEFJ-ME2 Equivalent & Substitute Parts

Part Overview

The BD30HC5MEFJ-ME2 is a linear voltage regulator IC from Rohm Semiconductor designed for positive fixed output applications. This automotive-grade component (AEC-Q100 series) delivers 1.5A output current at a fixed 3V output with integrated protection features including over-current, over-temperature, and soft-start functionality. The part is actively produced and widely available in inventory (1227 pcs in stock), making it suitable for new designs and production applications requiring reliable voltage regulation in automotive and industrial environments.

Equivalent substitute parts are identified when component availability becomes constrained, supply chain disruptions occur, or inventory levels require diversification across qualified alternatives that maintain identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Power Management (PMIC)
Output Voltage (Fixed)	3V
Output Current	1.5A
Input Voltage (Max)	8V
Dropout Voltage (Max)	1.2V @ 1.5A
Package Type	8-HTSOP-J (8-SOIC with Exposed Pad)
Operating Temperature Range	-40°C to 105°C
Protection Features	Over Current, Over Temperature, Soft Start
Control Features	Enable
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the BD30HC5MEFJ-ME2 is determined by strict equivalence across the following critical parameters:

Output voltage configuration (3V fixed positive output)
Output current capability (1.5A)
Maximum input voltage rating (8V)
Dropout voltage specification (1.2V @ 1.5A)
Package type and pinout (8-HTSOP-J)
Protection feature set (Over Current, Over Temperature, Soft Start)
Control interface (Enable function)
Operating temperature range (-40°C to 105°C)
Regulatory compliance (ROHS3, REACH Unaffected)

The BD30HC5MEFJ-LBH2 qualifies as a parametric equivalent based on identical electrical specifications and mechanical packaging. Both parts share the same base product number (BD30HC5) and are manufactured by Rohm Semiconductor using the same supplier device package designation (8-HTSOP-J).

Parameter Comparison

Parameter	BD30HC5MEFJ-ME2	BD30HC5MEFJ-LBH2	Match
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	✓
Output Voltage (Fixed)	3V	3V	✓
Output Current	1.5A	1.5A	✓
Input Voltage (Max)	8V	8V	✓
Dropout Voltage (Max)	1.2V @ 1.5A	1.2V @ 1.5A	✓
Quiescent Current	0.6 mA	Not specified	—
Supply Current (Max)	1.2 mA	1.2 mA	✓
Package Type	8-HTSOP-J	8-HTSOP-J	✓
Operating Temperature	-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	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level	MSL 1 (Unlimited)	MSL 1 (Unlimited)	✓
Product Status	Active	Active	✓
Inventory Availability	1227 pcs	946 pcs	Both in stock

Engineering Selection Recommendations

Both the BD30HC5MEFJ-ME2 and BD30HC5MEFJ-LBH2 are active production parts from Rohm Semiconductor with full ROHS3 compliance and REACH unaffected status. Selection between these equivalents should be based on:

Inventory availability and lead time requirements
Supply chain logistics and regional distribution
Cost considerations within procurement cycles
Existing qualification documentation and design validation history

The identical electrical and mechanical specifications ensure direct substitution without circuit redesign or PCB layout modification. Both parts maintain the same pinout, thermal characteristics, and protection feature implementation within the 8-HTSOP-J package.

Frequently Asked Questions (FAQ)

Q: Can BD30HC5MEFJ-LBH2 be used as a direct replacement for BD30HC5MEFJ-ME2?

A: Yes. Both parts are parametric equivalents with identical output voltage (3V), output current (1.5A), input voltage rating (8V), dropout voltage (1.2V @ 1.5A), package type (8-HTSOP-J), operating temperature range (-40°C to 105°C), and protection features. No circuit modifications are required.

Q: Are there differences in the package or pinout between these parts?

A: No. Both parts use the 8-HTSOP-J package designation (8-SOIC with 0.154" width and exposed pad). Pinout and mechanical dimensions are identical, allowing direct PCB substitution.

Q: What is the difference between the part number suffixes (-ME2 vs -LBH2)?

A: The suffix designates the supplier device package variant and distribution channel. The electrical and mechanical specifications remain identical. The suffix does not indicate functional differences.

Q: Are both parts suitable for automotive applications?

A: The BD30HC5MEFJ-ME2 is explicitly listed as part of the Automotive AEC-Q100 series. The BD30HC5MEFJ-LBH2 does not specify an automotive series designation in the provided data. Confirm automotive qualification requirements with the supplier before selection for safety-critical applications.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these parts be used interchangeably in production?

A: Yes, provided both parts meet your supply chain, compliance, and qualification requirements. Identical electrical specifications and package type ensure functional interchangeability without design changes.

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