LM5102MM Half-Bridge Gate Driver IC Equivalent & Substitute Parts

Part Overview

The LM5102MM is a half-bridge gate driver IC manufactured by Texas Instruments, designed for driving N-channel MOSFETs in half-bridge configurations. This device operates with a supply voltage range of 9V to 14V and delivers peak output currents of 1.6A for both source and sink operations. The LM5102MM is classified as obsolete, which necessitates identification of active equivalent parts to ensure design continuity and procurement availability for new production runs and field replacements.

Substiute Parts

LM5102MM

Texas InstrumentsIn Stock: 2251LM5102MM Datasheet

Current PartRFQ

LM5102MM/NOPB

Texas InstrumentsIn Stock: 1437LM5102MM/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM5102MM is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Half-Bridge topology
• Number of Drivers: 2 independent channels
• Gate Type: N-Channel MOSFET
• Voltage - Supply: 9V ~ 14V range
• Logic Voltage Thresholds: VIL 0.8V, VIH 2.2V
• Current - Peak Output: 1.6A source and sink capability
• Input Type: Non-Inverting
• High Side Voltage - Max (Bootstrap): 118 V
• Rise / Fall Time: 600ns typical
• Operating Temperature: -40°C ~ 125°C (TJ)
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Supplier Device Package: 10-VSSOP

The LM5102MM/NOPB is a direct equivalent part that maintains all electrical and mechanical specifications while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The LM5102MM/NOPB is the direct functional equivalent of the LM5102MM. Selection between these parts is determined by product lifecycle and regulatory requirements:

LM5102MM/NOPB is the preferred choice for new designs and production applications because it maintains active product status with Texas Instruments and achieves ROHS3 compliance. This part is available in Tape & Reel packaging, which is standard for automated assembly processes.

LM5102MM remains suitable only for legacy system maintenance where existing inventory is available and RoHS non-compliance does not conflict with application requirements or regional regulations.

Both parts are electrically and mechanically identical across all specified parameters, ensuring direct substitution without circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can LM5102MM/NOPB be used as a direct replacement for LM5102MM?

A: Yes. The LM5102MM/NOPB is a direct equivalent. All electrical parameters, logic thresholds, output current ratings, timing characteristics, operating temperature range, and package dimensions are identical. The primary differences are product status (active vs. obsolete) and RoHS compliance certification.

Q: What is the difference between the bulk and Tape & Reel packaging options?

A: Bulk packaging (LM5102MM) is suitable for manual assembly or small-quantity applications. Tape & Reel packaging (LM5102MM/NOPB) is designed for automated pick-and-place assembly and is the standard format for production manufacturing.

Q: Are there any circuit modifications required when substituting LM5102MM with LM5102MM/NOPB?

A: No. Both parts are pin-compatible and functionally identical. No circuit modifications, PCB layout changes, or firmware updates are necessary.

Q: Why is the LM5102MM classified as obsolete?

A: Product obsolescence is determined by the manufacturer based on market demand and product lifecycle management. The LM5102MM/NOPB remains the active equivalent and is the recommended part for all new applications.

Q: What are the key parameters that define substitution eligibility for this half-bridge gate driver?

A: Substitution eligibility is determined by equivalence in driven configuration (half-bridge), number of drivers (2), gate type (N-Channel MOSFET), supply voltage range (9V ~ 14V), logic voltage thresholds (0.8V, 2.2V), peak output current (1.6A source/sink), input type (non-inverting), bootstrap voltage rating (118V), timing characteristics (600ns rise/fall), operating temperature range (-40°C ~ 125°C), and package type (10-VSSOP).

Q: Is the LM5102MM/NOPB suitable for high-temperature applications?

A: Yes. The LM5102MM/NOPB operates across the full temperature range of -40°C to 125°C (junction temperature), which covers industrial and automotive temperature requirements.