BD70HC5MEFJ-LBH2 Equivalent & Substitute Parts

Part Overview

The BD70HC5MEFJ-LBH2 is a linear voltage regulator IC from Rohm Semiconductor designed for positive fixed output regulation. This device delivers 1.5A output current at a fixed 7V output with a maximum dropout voltage of 1.2V at full load. The regulator features integrated protection including over-current, over-temperature, and soft-start functionality, with an enable control feature for power management applications.

The part is actively produced and stocked with 1049 units available. As an active product with established supply, equivalent alternatives exist within the same product family to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Fixed
Voltage - Output (Fixed)	7V
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
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the BD70HC5MEFJ-LBH2 is determined by strict parametric matching across the following critical criteria:

Electrical Parameters (Must Match):

Output voltage: 7V fixed
Maximum output current: 1.5A
Maximum input voltage: 8V
Dropout voltage: 1.2V @ 1.5A
Output configuration: Positive
Control features: Enable function
Protection features: Over-current, over-temperature, soft-start

Mechanical Parameters (Must Match):

Package type: 8-SOIC with exposed pad
Mounting type: Surface mount
Physical dimensions: 0.154" width (3.90mm)

Compliance Parameters (Must Match):

RoHS3 compliance
MSL rating: 1 (Unlimited)
Manufacturer: Rohm Semiconductor
Base product number: BD70HC5

The BD70HC5MEFJ-ME2 meets all these criteria and qualifies as a parametric equivalent. Differences in supply current specifications or automotive qualification do not affect functional substitutability for standard applications.

Parameter Comparison

Parameter	BD70HC5MEFJ-LBH2	BD70HC5MEFJ-ME2
Manufacturer	Rohm Semiconductor	Rohm Semiconductor
Category	Power Management (PMIC)	Power Management (PMIC)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)
Output Configuration	Positive	Positive
Output Type	Fixed	Fixed
Voltage - Output (Fixed)	7V	7V
Voltage - Input (Max)	8V	8V
Current - Output	1.5A	1.5A
Voltage Dropout (Max)	1.2V @ 1.5A	1.2V @ 1.5A
Current - Supply (Max)	1.2 mA	1.2 mA
Control Features	Enable	Enable
Protection Features	Over Current, Over Temperature, Soft Start	Over Current, Over Temperature, Soft Start
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C
Mounting Type	Surface Mount	Surface Mount
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
Base Product Number	BD70HC5	BD70HC5
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS Code	8542.39.0001	8542.39.0001
Product Status	Active	Active
Current Inventory	1049 Pcs	1076 Pcs

Engineering Selection Recommendations

Both the BD70HC5MEFJ-LBH2 and BD70HC5MEFJ-ME2 are active products from Rohm Semiconductor with identical electrical and mechanical specifications. Selection between these parts should be based on:

Availability: The BD70HC5MEFJ-ME2 currently has higher inventory (1076 units) compared to the BD70HC5MEFJ-LBH2 (1049 units), making it suitable for high-volume procurement scenarios.

Compliance Requirements: The BD70HC5MEFJ-ME2 carries AEC-Q100 automotive qualification, which provides additional assurance for applications requiring automotive-grade components. The BD70HC5MEFJ-LBH2 meets standard industrial compliance without automotive qualification.

Supply Chain Continuity: Both parts share identical parametric specifications and package configurations, ensuring direct interchangeability without circuit redesign or board layout modifications.

Frequently Asked Questions (FAQ)

Q: Can BD70HC5MEFJ-ME2 be used as a direct replacement for BD70HC5MEFJ-LBH2?

A: Yes. Both parts are parametrically identical across all electrical and mechanical specifications. They share the same output voltage (7V), output current (1.5A), dropout voltage (1.2V @ 1.5A), package type (8-SOIC with exposed pad), and protection features. No circuit modifications are required for substitution.

Q: What are the key differences between these two parts?

A: The primary differences are inventory levels and qualification status. The BD70HC5MEFJ-ME2 includes AEC-Q100 automotive qualification and has higher current stock. Both parts are ROHS3 compliant and carry identical electrical ratings.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 8-SOIC package with 0.154" (3.90mm) width and exposed pad configuration. PCB footprints are identical, and no layout changes are necessary when substituting between these parts.

Q: Do these parts have the same thermal characteristics?

A: Both parts operate across the same temperature range (-40°C to 105°C) and include identical over-temperature protection. Thermal performance is equivalent.

Q: Which part should be selected for new designs?

A: Selection depends on application requirements. For automotive or safety-critical applications, the BD70HC5MEFJ-ME2 with AEC-Q100 qualification is appropriate. For standard industrial applications, either part meets requirements. Availability and lead time should also inform procurement decisions.

Q: Are there any compatibility issues with existing PCB designs?

A: No. Both parts use identical package specifications and pinouts. Existing designs require no modifications for either part.

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