LP2996LQ DDR Termination Regulator - Equivalent & Substitute Parts

Part Overview

The LP2996LQ is a DDR Terminator PMIC manufactured by Texas Instruments in a 16-WQFN (4x4) surface mount package. This integrated circuit provides DDR termination regulation for memory applications. The main part number LP2996LQ is currently listed as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations. The LP2996LQ/NOPB variant offers an active product status alternative with identical electrical and mechanical specifications.

Substiute Parts

LP2996LQ

Texas InstrumentsIn Stock: 2385LP2996LQ Datasheet

Current PartRFQ

LP2996LQ/NOPB

Texas InstrumentsIn Stock: 5358LP2996LQ/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LP2996LQ is determined by strict equivalence across the following parameters:

• Electrical Specifications: Supply voltage range (2.2V ~ 5.5V), supply current (320µA), and operating temperature range (0°C ~ 125°C) must remain identical
• Package Compatibility: 16-WQFN Exposed Pad (4x4) surface mount package is mandatory for PCB layout and assembly compatibility
• Functional Application: DDR Terminator functionality must be preserved
• Manufacturer: Texas Instruments as the original manufacturer

The LP2996LQ/NOPB is a direct substitute that maintains all electrical and mechanical parameters while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The LP2996LQ/NOPB is the direct substitute for the obsolete LP2996LQ. Both parts maintain identical electrical specifications and package compatibility. The LP2996LQ/NOPB offers the following advantages:

• Active Product Status: The LP2996LQ/NOPB is actively manufactured and supported by Texas Instruments, ensuring long-term availability and supply chain stability
• Regulatory Compliance: ROHS3 compliance status provides alignment with current environmental regulations, whereas the original LP2996LQ is non-compliant
• Packaging Format: Tape & Reel (TR) packaging is standard for production assembly and automated placement equipment
• Moisture Sensitivity: MSL 3 rating with 168-hour specification is suitable for standard manufacturing and storage conditions

For new designs and production systems, the LP2996LQ/NOPB is the recommended selection. For legacy system maintenance where the original LP2996LQ is specified, the LP2996LQ/NOPB provides full functional and mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can LP2996LQ/NOPB be used as a direct replacement for LP2996LQ?

A: Yes. The LP2996LQ/NOPB is a direct substitute. Both parts share identical electrical specifications (2.2V ~ 5.5V supply, 320µA current, 0°C ~ 125°C operating range), package type (16-WQFN Exposed Pad), and DDR Terminator functionality. The primary differences are product status (Active vs. Obsolete) and compliance certifications.

Q: What is the significance of the "/NOPB" suffix?

A: The "/NOPB" designation indicates "No Plumbum" (lead-free) packaging and is associated with Tape & Reel (TR) format delivery. This is the standard production variant for current manufacturing.

Q: Are there any PCB layout or assembly differences between these parts?

A: No. Both parts use the identical 16-WQFN (4x4) surface mount package with exposed pad. PCB footprints, solder reflow profiles, and assembly procedures are interchangeable.

Q: What is the difference in Moisture Sensitivity Level (MSL)?

A: The LP2996LQ has MSL 1 (Unlimited shelf life), while LP2996LQ/NOPB has MSL 3 (168-hour limit after moisture exposure). MSL 3 is standard for lead-free components and requires proper storage in dry conditions or desiccant packaging during manufacturing.

Q: Is RoHS compliance a critical factor for substitution?

A: RoHS compliance status depends on application requirements and regional regulations. The LP2996LQ/NOPB is ROHS3 compliant, making it suitable for applications subject to RoHS directives. The original LP2996LQ is non-compliant and may not meet current procurement or regulatory requirements.

Q: Are there inventory or lead time considerations?

A: The LP2996LQ/NOPB has higher inventory availability (5343 Pcs) compared to the obsolete LP2996LQ (2304 Pcs). For production planning, the LP2996LQ/NOPB offers superior supply chain reliability.