BD30HC5MEFJ-LBH2 Equivalent & Substitute Parts

Part Overview

The BD30HC5MEFJ-LBH2 is a linear voltage regulator IC from Rohm Semiconductor designed for positive fixed output applications. This device 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 (946 pcs in stock), making it suitable for immediate deployment in power management applications requiring stable 3V regulation from input sources up to 8V.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter set, enabling design flexibility and supply chain optimization.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Fixed
Voltage - Output (Min/Fixed)	3V
Voltage - Input (Max)	8V
Current - Output	1.5A
Voltage Dropout (Max)	1.2V @ 1.5A
Package / Case	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 105°C
Protection Features	Over Current, Over Temperature, Soft Start
Control Features	Enable
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the BD30HC5MEFJ-LBH2 are identified based on strict equivalence across the following critical parameters:

Output voltage specification (3V fixed)
Maximum output current capability (1.5A)
Maximum input voltage rating (8V)
Voltage dropout characteristic (1.2V @ 1.5A)
Package and pinout compatibility (8-HTSOP-J / 8-SOIC with exposed pad)
Protection feature set (over-current, over-temperature, soft-start)
Control interface (Enable function)
Operating temperature range (-40°C ~ 105°C)
Surface mount configuration
RoHS3 compliance status

The BD30HC5MEFJ-ME2 qualifies as a parametric equivalent substitute, maintaining identical electrical specifications and mechanical compatibility while offering automotive-grade qualification (AEC-Q100) and enhanced supply availability.

Parameter Comparison

Parameter	BD30HC5MEFJ-LBH2	BD30HC5MEFJ-ME2	Match Status
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Identical
Output Configuration	Positive	Positive	Identical
Output Type	Fixed	Fixed	Identical
Voltage - Output (Min/Fixed)	3V	3V	Identical
Voltage - Input (Max)	8V	8V	Identical
Current - Output	1.5A	1.5A	Identical
Voltage Dropout (Max)	1.2V @ 1.5A	1.2V @ 1.5A	Identical
Current - Supply (Max)	1.2 mA	1.2 mA	Identical
Package / Case	8-SOIC (0.154", 3.90mm Width) Exposed Pad	8-SOIC (0.154", 3.90mm Width) Exposed Pad	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	Identical
Protection Features	Over Current, Over Temperature, Soft Start	Over Current, Over Temperature, Soft Start	Identical
Control Features	Enable	Enable	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Product Status	Active	Active	Identical
Series Qualification	Standard	Automotive, AEC-Q100	Substitute Enhanced

Engineering Selection Recommendations

Both the BD30HC5MEFJ-LBH2 and BD30HC5MEFJ-ME2 are active products from Rohm Semiconductor with full ROHS3 compliance and identical core electrical and mechanical specifications. Selection between these parts should be based on application requirements:

The BD30HC5MEFJ-LBH2 is suitable for general industrial and consumer applications where standard product qualification is sufficient.

The BD30HC5MEFJ-ME2 provides automotive-grade qualification under AEC-Q100 standards, making it the appropriate choice for automotive and mission-critical applications requiring enhanced reliability documentation and process controls. This variant also offers superior inventory availability (1227 pcs vs. 946 pcs).

Both parts maintain identical pinout, package footprint, and electrical performance characteristics, enabling direct substitution at the PCB assembly level without design modification.

Frequently Asked Questions (FAQ)

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

A: Yes. Both parts share identical electrical specifications, output voltage (3V), output current (1.5A), input voltage rating (8V), dropout voltage (1.2V @ 1.5A), package configuration (8-HTSOP-J), and protection features. Direct substitution is possible without PCB redesign.

Q: What is the difference between these two part numbers?

A: The primary difference is series qualification. BD30HC5MEFJ-ME2 carries AEC-Q100 automotive-grade certification, indicating compliance with automotive reliability and quality standards. Both parts are manufactured by Rohm Semiconductor using the same base product (BD30HC5) and are functionally equivalent.

Q: Are the packages physically identical?

A: Yes. Both parts use the 8-HTSOP-J package, which is equivalent to 8-SOIC with 0.154" (3.90mm) width and exposed pad. Pin assignments, footprint dimensions, and solder pad layouts are identical, enabling direct PCB-level substitution.

Q: Which part should be selected for new designs?

A: For applications requiring automotive qualification or enhanced reliability documentation, select BD30HC5MEFJ-ME2. For standard industrial applications, either part is acceptable. Consider supply chain availability and lead time requirements when making the final selection.

Q: Are both parts RoHS compliant?

A: Yes. Both BD30HC5MEFJ-LBH2 and BD30HC5MEFJ-ME2 are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements for EU and global markets.

Q: What is the operating temperature range for these regulators?

A: Both parts operate across -40°C to 105°C, covering industrial and automotive temperature specifications.

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