LM5112SD Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The LM5112SD is a low-side gate driver IC manufactured by Texas Instruments, designed for driving N-Channel MOSFETs in power management applications. This device features inverting and non-inverting input configurations with a 6-WSON (3x3) package footprint. The LM5112SD carries a Last Time Buy status, making identification of functionally equivalent alternatives essential for design continuity and long-term supply chain planning. Substitute parts maintain identical electrical performance and mechanical compatibility while offering different packaging formats or active product status.

Substiute Parts

LM5112SD

Texas InstrumentsIn Stock: 5427LM5112SD Datasheet

Current PartRFQ

LM5112SD/NOPB

Texas InstrumentsIn Stock: 1645LM5112SD/NOPB Datasheet

DirectRFQ

LM5112SDX/NOPB

Texas InstrumentsIn Stock: 5593LM5112SDX/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LM5112SD are identified based on strict electrical and mechanical parameter equivalence. All substitute candidates maintain identical specifications across the following critical parameters:

• Driven Configuration: Low-Side
• Channel Type: Single
• Gate Type: N-Channel MOSFET
• Supply Voltage Range: 4.6V ~ 14V
• Logic Voltage Thresholds: VIL 0.8V, VIH 2.3V
• Peak Output Current: Source 3A, Sink 7A
• Input Type: Inverting, Non-Inverting
• Rise / Fall Time: 14ns / 12ns (Typical)
• Operating Temperature Range: -40°C ~ 125°C
• Package / Case: 6-WDFN Exposed Pad
• Supplier Device Package: 6-WSON (3x3)
• Compliance: ROHS3 Compliant, MSL 1

Substitution differences are limited to packaging format (Cut Tape vs. Tape & Reel) and product lifecycle status (Last Time Buy vs. Active).

Parameter Comparison

Engineering Selection Recommendations

Selection between LM5112SD and its substitutes is determined by product lifecycle requirements and packaging specifications:

LM5112SD (Last Time Buy): Suitable for existing designs with established supply agreements. Inventory availability is 5416 pieces. This part number should be prioritized for designs nearing end-of-life or where existing stock meets production requirements.

LM5112SD/NOPB (Active): Direct functional equivalent with identical electrical and mechanical specifications. Product status is Active, ensuring long-term availability. Packaging format is Cut Tape & Digi-Reel®. Inventory availability is 1550 pieces. This part is appropriate for new designs or designs requiring extended production runs.

LM5112SDX/NOPB (Active, Manufacturer Recommended): Functionally identical to LM5112SD with Active product status. Packaging format is Tape & Reel (TR), suitable for high-volume automated assembly operations. Inventory availability is 5490 pieces. This part is the manufacturer-recommended substitute for production environments requiring reel packaging.

All three part numbers are ROHS3 compliant with MSL 1 rating and REACH Unaffected status, meeting regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can LM5112SD/NOPB be used as a direct replacement for LM5112SD?

A: Yes. LM5112SD/NOPB is electrically and mechanically identical to LM5112SD. Both parts feature identical gate driver specifications, supply voltage range, output current ratings, and thermal operating range. The primary difference is product status (Active vs. Last Time Buy) and packaging format (both Cut Tape & Digi-Reel®).

Q: What is the difference between LM5112SD/NOPB and LM5112SDX/NOPB?

A: Both parts are functionally equivalent with identical electrical specifications. The difference is packaging format: LM5112SD/NOPB uses Cut Tape & Digi-Reel® packaging, while LM5112SDX/NOPB uses Tape & Reel (TR) packaging. LM5112SDX/NOPB is the manufacturer-recommended option for high-volume production requiring reel format.

Q: Are all three part numbers compatible with the same PCB layout?

A: Yes. All three part numbers use the 6-WDFN Exposed Pad package with 6-WSON (3x3) footprint. PCB layout, land pattern, and thermal management design are identical across all three variants.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Cut Tape vs. Tape & Reel) does not affect electrical performance, thermal characteristics, or functional operation. Format selection is based on assembly process requirements and volume considerations.

Q: Are there any compliance or certification differences between these part numbers?

A: No. All three part numbers are ROHS3 compliant, carry MSL 1 rating, and have REACH Unaffected status. Regulatory compliance is identical across all variants.

Q: Which part should be selected for a new design?

A: LM5112SD/NOPB or LM5112SDX/NOPB are appropriate for new designs, as both carry Active product status. LM5112SDX/NOPB is preferred for high-volume production due to Tape & Reel packaging compatibility with automated assembly equipment.