LP3882EMR-1.5 Equivalent & Substitute Parts

Part Overview

The LP3882EMR-1.5 is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. It delivers a fixed positive 1.5V output at 1.5A maximum current with a maximum dropout voltage of 0.32V at full load. The device integrates over-current, over-temperature, and under-voltage lockout protection features, operating across the industrial temperature range of -40°C to 125°C.

The LP3882EMR-1.5 carries an obsolete product status. Locating equivalent or substitute parts is necessary for ongoing production support, design refresh cycles, and inventory management. Active alternatives with identical or compatible electrical and mechanical specifications are available from the same manufacturer.

Substiute Parts

LP3882EMR-1.5

Texas InstrumentsIn Stock: 702LP3882EMR-1.5 Datasheet

Current PartRFQ

LP3882EMR-1.5/NOPB

Texas InstrumentsIn Stock: 1432LP3882EMR-1.5/NOPB Datasheet

DirectRFQ

LP3892EMR-1.5/NOPB

Texas InstrumentsIn Stock: 2247LP3892EMR-1.5/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LP3882EMR-1.5 are classified based on strict electrical and mechanical compatibility criteria:

Direct Manufacturer Substitute: LP3882EMR-1.5/NOPB is the direct equivalent, sharing identical electrical specifications and package configuration. The primary distinction is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 Compliant vs. RoHS non-compliant).

Parametric Equivalent: LP3892EMR-1.5/NOPB maintains electrical compatibility across all critical parameters except voltage dropout specification. The LP3892 variant exhibits a maximum dropout voltage of 0.55V @ 1.5A, compared to 0.32V @ 1.5A for the LP3882. Both devices share identical output voltage, current rating, input voltage maximum, quiescent current, protection features, control features, operating temperature range, and package configuration.

Substitution eligibility is determined by:

• Fixed output voltage: 1.5V
• Output current capability: 1.5A minimum
• Maximum input voltage: 5.5V
• Package type: 8-PowerSOIC
• Protection and control feature set
• Operating temperature range: -40°C ~ 125°C

Parameter Comparison

Engineering Selection Recommendations

LP3882EMR-1.5/NOPB is the primary substitute for obsolete LP3882EMR-1.5 designs. This part maintains complete electrical and mechanical compatibility while offering Active product status and ROHS3 compliance. Selection of this part eliminates obsolescence risk and aligns with current regulatory requirements.

LP3892EMR-1.5/NOPB serves as a parametric equivalent for applications where the increased dropout voltage specification (0.55V vs. 0.32V @ 1.5A) does not impact circuit performance. This part is suitable for designs with adequate input voltage margin and where the higher dropout voltage does not compromise output voltage regulation or thermal performance. Both substitute options carry Active product status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can LP3882EMR-1.5/NOPB be used as a direct replacement for LP3882EMR-1.5?

A: Yes. LP3882EMR-1.5/NOPB is electrically and mechanically identical to LP3882EMR-1.5. The primary differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). Pin configuration, package footprint, and all electrical specifications are equivalent.

Q: What is the key difference between LP3882EMR-1.5/NOPB and LP3892EMR-1.5/NOPB?

A: The primary difference is voltage dropout specification. LP3882EMR-1.5/NOPB specifies 0.32V maximum dropout at 1.5A, while LP3892EMR-1.5/NOPB specifies 0.55V maximum dropout at 1.5A. All other electrical parameters, including output voltage, current rating, input voltage maximum, quiescent current, protection features, and operating temperature range, are identical.

Q: Can LP3892EMR-1.5/NOPB replace LP3882EMR-1.5 in existing designs?

A: LP3892EMR-1.5/NOPB is compatible with designs where the higher dropout voltage does not degrade circuit performance. Applications with adequate input voltage headroom and non-critical output voltage regulation can accommodate the LP3892 variant. Designs with tight voltage margins or thermal constraints may require evaluation of the increased dropout voltage impact.

Q: Are all three parts pin-compatible?

A: Yes. LP3882EMR-1.5, LP3882EMR-1.5/NOPB, and LP3892EMR-1.5/NOPB share identical 8-PowerSOIC package configuration and pin assignments. PCB layout and schematic modifications are not required for substitution.

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

A: The /NOPB suffix indicates lead-free (no-lead) plating, consistent with RoHS compliance requirements. This designation reflects manufacturing process changes and regulatory alignment.