BCR402WE6327HTSA1 Equivalent & Substitute Parts

Part Overview

The BCR402WE6327HTSA1 is a linear LED driver IC manufactured by Infineon Technologies, designed for single-output lighting applications with 60mA output current capability. The device operates across a 1.2V to 18V supply range and features an internal switch for linear dimming control. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Substiute Parts

BCR402WE6327HTSA1

Infineon TechnologiesIn Stock: 774BCR402WE6327HTSA1 Datasheet

Current PartRFQ

A1569KLJTR-T

Allegro MicroSystemsIn Stock: 5678A1569KLJTR-T Datasheet

MFR RecommendedRFQ

AL5809-100P1-7

Diodes IncorporatedIn Stock: 2332AL5809-100P1-7 Datasheet

MFR RecommendedRFQ

AL5809-120QP1-7

Diodes IncorporatedIn Stock: 8055AL5809-120QP1-7 Datasheet

MFR RecommendedRFQ

AL5809-90QP1-7

Diodes IncorporatedIn Stock: 3553AL5809-90QP1-7 Datasheet

MFR RecommendedRFQ

AL8400QSE-7

Diodes IncorporatedIn Stock: 15210AL8400QSE-7 Datasheet

MFR RecommendedRFQ

TSCR402CX6 RFG

Taiwan Semiconductor CorporationIn Stock: 1380TSCR402CX6 RFG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the BCR402WE6327HTSA1 is determined by the following critical parameters:

• Topology: Linear LED driver architecture
• Number of Outputs: Single output configuration
• Internal Switch Requirement: Presence of internal switch
• Output Current Range: 60mA nominal, with acceptable tolerance in substitute parts (90mA to 150mA)
• Supply Voltage Compatibility: Minimum 1.2V to 18V operating range
• Mounting Type: Surface mount packages only
• Automotive Grade: AEC-Q100 or AEC-Q101 qualification preferred for automotive applications

The substitute parts listed maintain functional equivalence through linear topology, single-output design, and internal switch architecture. Output current ratings above 60mA provide design margin while remaining within acceptable thermal and electrical limits for LED driver applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status, Automotive Grade, AEC-Q100 Qualified):

AL5809-90QP1-7 and AL5809-120QP1-7 from Diodes Incorporated represent the most direct functional equivalents. Both maintain linear topology, single-output configuration, internal switch architecture, and automotive-grade qualification. The AL5809-90QP1-7 provides output current closest to the original 60mA specification at 90mA, while the AL5809-120QP1-7 offers additional current margin at 120mA. Both operate across 2.5V to 60V supply range, exceeding the original 1.2V to 18V specification. These parts are currently in active production status with high inventory availability.

Secondary Substitute (Active Status, Automotive Grade):

A1569KLJTR-T from Allegro MicroSystems is an active, automotive-qualified alternative with 150mA output current capability and 7V to 24V supply range. This part features an 8-SOIC package with exposed pad, requiring PCB layout modification from the original SOT-343 footprint.

Alternative Consideration (Active Status, Automotive Grade, Different Architecture):

AL8400QSE-7 from Diodes Incorporated operates as a linear LED driver without internal switch, requiring external switch implementation. This part is suitable only for designs where external switching control is acceptable or preferred.

Obsolete Alternative (Not Recommended for New Designs):

TSCR402CX6 RFG from Taiwan Semiconductor Corporation shares obsolete status with the original part and should not be selected for new designs requiring long-term supply continuity.

Frequently Asked Questions (FAQ)

Q: Can AL5809-90QP1-7 or AL5809-120QP1-7 directly replace BCR402WE6327HTSA1 without PCB modification?

A: No. The AL5809 series uses PowerDI™ 123 package, while the BCR402WE6327HTSA1 uses SOT-343 package. PCB footprint redesign is required. However, electrical functionality is compatible within the specified operating parameters.

Q: What is the significance of the higher output current ratings (90mA, 100mA, 120mA, 150mA) compared to the original 60mA specification?

A: Higher current ratings provide design margin and thermal headroom. Substitute parts can be operated at or below their rated current without performance degradation. The 60mA original specification remains achievable with all listed substitutes.

Q: Why is A1569KLJTR-T listed as a substitute if it requires package change?

A: A1569KLJTR-T maintains functional equivalence through linear topology, single-output design, internal switch architecture, and automotive qualification. Package change is a design consideration, not a functional incompatibility. Selection depends on PCB redesign feasibility.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed are RoHS3 compliant. The original BCR402WE6327HTSA1 RoHS status is not specified in available documentation.

Q: What is the difference between AEC-Q100 and AEC-Q101 qualifications?

A: AEC-Q100 applies to discrete semiconductors and simple integrated circuits. AEC-Q101 applies to analog integrated circuits. Both qualifications meet automotive reliability standards. Substitutes with AEC-Q100 qualification are acceptable for automotive applications originally designed with AEC-Q101 parts.

Q: Can AL8400QSE-7 be used as a direct substitute?

A: AL8400QSE-7 lacks an internal switch, requiring external switch implementation in the circuit design. This represents a functional architecture change and is suitable only for designs where external switching control is acceptable.

Q: Which substitute offers the best long-term availability?

A: AL5809-90QP1-7 and AL5809-120QP1-7 from Diodes Incorporated show the highest inventory levels (3,472 and 7,950 units respectively) and active production status, indicating strong long-term supply continuity.