NJM3772FM2 Equivalent & Substitute Parts

Part Overview

The NJM3772FM2 is a bipolar motor driver integrated circuit manufactured by Nisshinbo Micro Devices Inc., classified as a Power Management (PMIC) component. This device functions as a fully integrated motor driver with control and power stage capabilities, designed for stepper motor applications with four half-bridge output configuration and parallel interface control.

The NJM3772FM2 is currently classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this motor driver architecture.

Substiute Parts

NJM3772FM2

Nisshinbo Micro Devices Inc.In Stock: 110372NJM3772FM2 Datasheet

Current PartRFQ

LV8734VL-TLM-H

onsemiIn Stock: 1095LV8734VL-TLM-H Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NJM3772FM2 is evaluated based on the following critical parameters that define functional equivalence:

Core Functional Requirements:

• Motor type classification: Bipolar stepper motor driver capability
• Output configuration: Four half-bridge outputs for bipolar motor control
• Interface type: Parallel control interface
• Integrated function: Fully integrated driver with control and power stage

Electrical Operating Parameters:

• Output current capability: Minimum 1A per output
• Supply voltage range: Must accommodate 4.75V to 5.25V operation
• Load voltage range: Must support 10V to 40V load voltage
• Operating temperature range: Must cover -20°C to 125°C

Physical and Compliance Requirements:

• Mounting type: Surface mount
• RoHS compliance status
• REACH compliance status

The LV8734VL-TLM-H from onsemi meets the core functional requirements for bipolar stepper motor driving with four half-bridge outputs and parallel interface control. While packaging and certain electrical specifications differ, the device maintains functional compatibility within the defined application scope.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The NJM3772FM2 is classified as obsolete, making the LV8734VL-TLM-H from onsemi the appropriate substitute for ongoing production and new designs. The LV8734VL-TLM-H maintains active manufacturing status with confirmed inventory availability.

Compliance and Certification: Both devices maintain RoHS compliance and REACH unaffected status, satisfying regulatory requirements for electronic component use. The LV8734VL-TLM-H meets ROHS3 standard, representing current compliance certification levels.

Functional Compatibility: The LV8734VL-TLM-H provides bipolar stepper motor driver functionality with four half-bridge outputs and parallel interface control, matching the core application requirements of the NJM3772FM2. The substitute device supports additional capabilities including brushed DC motor operation and multiple step resolution options (1, 1/2, 1/4, 1/8).

Electrical Parameter Considerations: The LV8734VL-TLM-H output current rating of 1.5A exceeds the NJM3772FM2 specification of 1A, providing design margin. Supply voltage range differences require verification: the NJM3772FM2 operates within 4.75V to 5.25V, while the LV8734VL-TLM-H operates within 0V to 5.5V. Load voltage ranges overlap with partial compatibility: the LV8734VL-TLM-H supports 9V to 32V versus the NJM3772FM2 range of 10V to 40V.

Temperature Range Differences: The NJM3772FM2 supports junction temperature operation to 125°C, while the LV8734VL-TLM-H supports ambient temperature operation to 85°C. Applications requiring operation above 85°C ambient temperature require thermal analysis to confirm junction temperature compliance.

Package and Moisture Considerations: The LV8734VL-TLM-H uses 44-SSOPK packaging versus the 28-PLCC package of the NJM3772FM2, requiring PCB layout redesign. The LV8734VL-TLM-H has MSL rating of 3 (168 hours) compared to MSL 1 (unlimited) for the NJM3772FM2, requiring controlled storage and handling procedures.

Frequently Asked Questions (FAQ)

Q: Can the LV8734VL-TLM-H directly replace the NJM3772FM2 without PCB modifications?

A: No. The LV8734VL-TLM-H uses 44-SSOPK packaging while the NJM3772FM2 uses 28-PLCC packaging. These packages have different footprints, pin counts, and physical dimensions. PCB layout redesign is required for substitution.

Q: What are the key functional differences between these devices?

A: Both devices function as fully integrated bipolar motor drivers with four half-bridge outputs and parallel interface control. The LV8734VL-TLM-H provides additional capabilities: brushed DC motor support, multiple step resolution options (1, 1/2, 1/4, 1/8), and higher output current (1.5A versus 1A).

Q: Are there supply voltage compatibility issues?

A: The NJM3772FM2 operates within 4.75V to 5.25V. The LV8734VL-TLM-H operates within 0V to 5.5V. The NJM3772FM2 supply voltage range is a subset of the LV8734VL-TLM-H range, ensuring compatibility for applications using the original supply voltage specification.

Q: What is the impact of different load voltage ranges?

A: The NJM3772FM2 supports 10V to 40V load voltage. The LV8734VL-TLM-H supports 9V to 32V load voltage. Applications requiring load voltages between 32V and 40V cannot use the LV8734VL-TLM-H. Applications operating within 10V to 32V are compatible with both devices.

Q: How do operating temperature ranges affect substitution?

A: The NJM3772FM2 supports junction temperature from -20°C to 125°C. The LV8734VL-TLM-H supports ambient temperature from -40°C to 85°C. Applications requiring operation above 85°C ambient temperature require thermal analysis to confirm the LV8734VL-TLM-H junction temperature remains within specification.

Q: What are the moisture sensitivity implications?

A: The NJM3772FM2 has MSL 1 (unlimited shelf life). The LV8734VL-TLM-H has MSL 3 (168-hour maximum floor life after moisture exposure). The LV8734VL-TLM-H requires controlled storage conditions and handling procedures to prevent moisture absorption.

Q: Are both devices RoHS and REACH compliant?

A: Yes. Both devices are RoHS compliant and REACH unaffected. The LV8734VL-TLM-H meets ROHS3 certification, representing current compliance standards.

Q: What is the significance of the technology difference (Bipolar versus BiCDMOS)?

A: The NJM3772FM2 uses bipolar process technology. The LV8734VL-TLM-H uses BiCDMOS process technology. BiCDMOS represents advanced semiconductor process combining bipolar and CMOS technologies, typically offering improved performance characteristics and integration density.

Q: Is the higher output current of the LV8734VL-TLM-H (1.5A versus 1A) a compatibility concern?

A: No. Higher output current capability provides design margin and does not create compatibility issues. Applications designed for 1A operation function correctly with 1.5A-rated devices.

Q: What inventory status should be considered for production planning?

A: The NJM3772FM2 is obsolete with 110,300 pieces in stock. The LV8734VL-TLM-H is active production with 1,077 pieces in stock. For new designs and ongoing production, the LV8734VL-TLM-H represents the sustainable supply path.