LB11660RV-TLM-E Equivalent & Substitute Parts

Part Overview

The LB11660RV-TLM-E is a motor driver IC manufactured by onsemi, designed for brushless DC (BLDC) motor applications. This integrated circuit combines control and power stage functionality in a 16-SSOP package, operating across a 4V to 15V supply voltage range with 1.5A output current capability. The device is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

LB11660RV-TLM-E

onsemiIn Stock: 2368LB11660RV-TLM-E Datasheet

Current PartRFQ

BD61245EFV-E2

Rohm SemiconductorIn Stock: 50116BD61245EFV-E2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LB11660RV-TLM-E is determined by the following critical parameters:

Motor driver functionality for brushless DC motors with fully integrated control and power stages is the primary selection criterion. The substitute part must support PWM-based motor control with compatible output current ratings (minimum 1.5A). Supply voltage range compatibility (4V minimum, 15V maximum overlap) is mandatory. Package compatibility or functional equivalence in a similar form factor is required for circuit board integration. Surface mount technology and RoHS3 compliance maintain manufacturing and regulatory consistency.

The BD61245EFV-E2 qualifies as a substitute based on these criteria: it provides multiphase motor driver functionality for BLDC applications, integrates control and power stages, operates within the required voltage range (4V ~ 16V), delivers 1.8A output current (exceeding the 1.5A requirement), maintains surface mount packaging in a 16-pin configuration, and holds ROHS3 compliance with identical MSL rating.

Parameter Comparison

Engineering Selection Recommendations

The BD61245EFV-E2 is the designated substitute for the obsolete LB11660RV-TLM-E. Selection is supported by active product status, ensuring long-term availability and manufacturing support. Both devices maintain ROHS3 compliance and identical MSL ratings, satisfying regulatory and handling requirements. The substitute provides enhanced specifications: increased output current (1.8A versus 1.5A), extended supply voltage range (4V ~ 16V versus 4V ~ 15V), and wider operating temperature range (-40°C ~ 105°C versus -30°C ~ 95°C). Package geometry remains compatible at 16-pin surface mount with 4.40mm width, facilitating direct board-level integration. The DMOS technology in the substitute offers improved efficiency characteristics compared to the bipolar technology of the original device.

Frequently Asked Questions (FAQ)

Q: Can the BD61245EFV-E2 directly replace the LB11660RV-TLM-E in existing designs?

A: The BD61245EFV-E2 is functionally equivalent for BLDC motor driver applications. Both devices integrate control and power stages, operate within overlapping voltage ranges, and use compatible 16-pin surface mount packages. Pin-level compatibility and control signal requirements must be verified against device datasheets before implementation.

Q: What are the key differences between these two motor drivers?

A: The primary differences are product status (active versus obsolete), semiconductor technology (DMOS versus bipolar), output current rating (1.8A versus 1.5A), and operating temperature range (-40°C ~ 105°C versus -30°C ~ 95°C). The substitute offers superior performance specifications and long-term availability.

Q: Are there packaging considerations when switching to the BD61245EFV-E2?

A: Both devices use 16-pin surface mount packages with identical 4.40mm width. The BD61245EFV-E2 includes an exposed pad in the 16-VSSOP package, which may provide improved thermal performance. PCB layout modifications may be required to accommodate the exposed pad if not present in the original design.

Q: Do both devices meet the same compliance standards?

A: Yes. Both the LB11660RV-TLM-E and BD61245EFV-E2 are ROHS3 compliant with MSL rating 3 (168 Hours). Regulatory compliance is maintained across the substitution.

Q: What is the supply voltage compatibility between these devices?

A: The LB11660RV-TLM-E operates at 4V ~ 15V, while the BD61245EFV-E2 operates at 4V ~ 16V. The substitute supports the full operating range of the original device with an additional 1V maximum headroom, ensuring compatibility in existing power supply designs.