LB11685AV-W-AH Equivalent & Substitute Parts

Part Overview

The LB11685AV-W-AH is a motor driver integrated circuit manufactured by onsemi, designed for brushless DC (BLDC) motor control applications. This device integrates control and power stage functionality in a 24-SSOP package, supporting supply voltages from 4.5V to 18V with 1.2A output current capability. The part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity.

Substiute Parts

LB11685AV-W-AH

onsemiIn Stock: 2001LB11685AV-W-AH Datasheet

Current PartRFQ

LB11685AV-TLM-H

SanyoIn Stock: 25343LB11685AV-TLM-H Datasheet

Parametric EquivalentRFQ

A5941GLNTR-T

Allegro MicroSystemsIn Stock: 3504A5941GLNTR-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LB11685AV-W-AH is determined by the following critical parameters:

Primary Substitution Criteria:

• Motor type: Brushless DC (BLDC)
• Function: Fully integrated driver with control and power stage
• Output configuration: Half Bridge (3)
• Interface: Parallel
• Technology: Bipolar
• Current rating: 1.2A output
• Voltage range: 4.5V ~ 18V supply and load
• Package compatibility: 24-SSOP-J

Substitute Classification:

Parametric Equivalent: LB11685AV-TLM-H (Sanyo) matches all critical electrical and mechanical parameters, including identical voltage ratings, current output, package type, and functional configuration. This part maintains full compatibility with the original design.

Similar Substitute: A5941GLNTR-T (Allegro MicroSystems) provides BLDC motor driver functionality with half-bridge output configuration but differs in package type (10-SSOP versus 24-SSOP-J), operating temperature range, and interface specification. This part requires design-level evaluation for compatibility.

Parameter Comparison

Engineering Selection Recommendations

LB11685AV-TLM-H (Sanyo) - Recommended Parametric Equivalent

This part is the primary substitute for the LB11685AV-W-AH. It maintains identical electrical specifications (1.2A output, 4.5V–18V supply/load voltage), functional integration (control and power stage), output configuration (half-bridge with 3 outputs), and package type (24-SSOP-J). The part is currently in active production status, ensuring supply chain availability. Both parts are ROHS3 compliant and share the same ECCN and HTSUS classifications. Selection of this part requires no design modifications.

A5941GLNTR-T (Allegro MicroSystems) - Similar Substitute with Design Considerations

This part provides BLDC motor driver functionality with half-bridge output configuration and is currently in active production. However, significant differences exist: the package is 10-SSOP (versus 24-SSOP-J), the operating temperature range is -40°C to 105°C (versus -40°C to 150°C), and critical electrical parameters (current rating, voltage specifications, interface type) are not specified in available documentation. This part is classified as automotive grade. Use of this substitute requires detailed design-level evaluation and potential PCB layout modifications due to package incompatibility.

Frequently Asked Questions (FAQ)

Q: Can LB11685AV-TLM-H be used as a direct replacement for LB11685AV-W-AH?

A: Yes. Both parts share identical electrical ratings (1.2A output current, 4.5V–18V supply and load voltage), functional architecture (fully integrated control and power stage), output configuration (half-bridge with 3 outputs), interface type (parallel), and package specification (24-SSOP-J). No design modifications are required.

Q: What are the key differences between LB11685AV-W-AH and A5941GLNTR-T?

A: The primary differences are package type (24-SSOP-J versus 10-SSOP), operating temperature range (-40°C to 150°C versus -40°C to 105°C), and undocumented electrical parameters for the A5941GLNTR-T. The A5941GLNTR-T is automotive-grade, while the LB11685AV-W-AH is general-purpose. These differences require design-level assessment before substitution.

Q: Why is the LB11685AV-W-AH classified as obsolete?

A: The LB11685AV-W-AH is no longer in active production. The parametric equivalent LB11685AV-TLM-H (Sanyo) is available in active production status with identical specifications, making it the recommended replacement for new designs and production continuity.

Q: Are there moisture sensitivity or storage considerations for these parts?

A: The LB11685AV-W-AH has MSL 3 (168 hours), requiring controlled storage conditions. The LB11685AV-TLM-H MSL rating is not specified in available data. The A5941GLNTR-T has MSL 1 (unlimited), indicating superior moisture tolerance. Verify MSL requirements with the supplier before procurement.

Q: What compliance certifications apply to these parts?

A: Both LB11685AV-W-AH and A5941GLNTR-T are ROHS3 compliant. All three parts are REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001. The LB11685AV-TLM-H compliance status is not specified in available documentation.