LP3907SQX-PFX6W/NOPB Equivalent & Substitute Parts

Part Overview

The LP3907SQX-PFX6W/NOPB is a quad-output power management IC (PMIC) manufactured by Texas Instruments, designed for applications requiring multiple voltage rails with mixed regulation topologies. This device integrates two synchronous step-down (buck) regulators and two linear (LDO) regulators in a single 24-WQFN package, operating at a switching frequency of 2.1MHz.

The LP3907SQX-PFX6W/NOPB carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance of systems utilizing this component.

Substiute Parts

LP3907SQX-PFX6W/NOPB

Texas InstrumentsIn Stock: 901LP3907SQX-PFX6W/NOPB Datasheet

Current PartRFQ

LP3907SQ-PFX6W/NOPB

Texas InstrumentsIn Stock: 775LP3907SQ-PFX6W/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LP3907SQX-PFX6W/NOPB is determined by strict equivalence across the following critical parameters:

• Topology: Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
• Number of Outputs: 4
• Switching Frequency: 2.1MHz
• Output voltage and current ratings: 1V/1A, 3.3V/600mA, 2.65V/300mA
• Supply voltage range: 2.8V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Package: 24-WQFN (4x4) Exposed Pad
• Regulatory compliance: ROHS3 Compliant, REACH Unaffected

The LP3907SQ-PFX6W/NOPB meets all substitution criteria. This part shares the identical base product number (LP3907), electrical specifications, and package configuration. The primary distinction is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The LP3907SQ-PFX6W/NOPB is a direct functional equivalent to the LP3907SQX-PFX6W/NOPB. Both parts are manufactured by Texas Instruments and share identical electrical specifications, output configurations, and package geometry.

The LP3907SQ-PFX6W/NOPB carries Active product status, ensuring ongoing manufacturer support, availability, and compliance with current regulatory requirements. This part is suitable for new designs and production applications requiring quad-output power management with mixed buck and LDO topologies.

Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying environmental and regulatory requirements for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the LP3907SQ-PFX6W/NOPB be used as a direct replacement for the LP3907SQX-PFX6W/NOPB?

A: Yes. Both parts share identical electrical specifications, output ratings, switching frequency, supply voltage range, operating temperature range, and 24-WQFN package configuration. The primary difference is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete).

Q: What is the difference between the LP3907SQX-PFX6W/NOPB and LP3907SQ-PFX6W/NOPB?

A: The parts are electrically and functionally identical. The suffix variation indicates packaging format: the SQX variant is supplied in bulk, while the SQ variant is supplied in Tape & Reel format. The LP3907SQ-PFX6W/NOPB maintains Active product status.

Q: Are there any PCB layout or design considerations when substituting these parts?

A: No design modifications are required. Both parts use the identical 24-WQFN (4x4) package with exposed pad. PCB footprints, component placement, and routing remain unchanged.

Q: What is the MSL rating for both parts?

A: Both the LP3907SQX-PFX6W/NOPB and LP3907SQ-PFX6W/NOPB carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for industrial and commercial applications.