LP5912Q1.2DRVTQ1 Equivalent & Substitute Parts

Part Overview

The LP5912Q1.2DRVTQ1 is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. It delivers a fixed positive 1.2V output at 500mA with integrated control features including Enable, Power Good, and Soft Start functionality. The device incorporates protection against over-temperature, reverse polarity, and short-circuit conditions, making it suitable for automotive-grade applications with AEC-Q100 qualification.

The main part number LP5912Q1.2DRVTQ1 is designated as Last Time Buy, indicating end-of-life status. Identifying parametric equivalents and active substitutes ensures design continuity and supply chain reliability for ongoing production requirements.

Substiute Parts

LP5912Q1.2DRVTQ1

Texas InstrumentsIn Stock: 6401LP5912Q1.2DRVTQ1 Datasheet

Current PartRFQ

LP5912-1.2DRVR

Texas InstrumentsIn Stock: 18645LP5912-1.2DRVR Datasheet

Parametric EquivalentRFQ

LP5912-1.2DRVT

Texas InstrumentsIn Stock: 1370LP5912-1.2DRVT Datasheet

Parametric EquivalentRFQ

LP5912Q1.2DRVRQ1

Texas InstrumentsIn Stock: 4941LP5912Q1.2DRVRQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LP5912Q1.2DRVTQ1 is determined by strict parametric matching across electrical and mechanical specifications. All identified substitutes maintain identical output voltage (1.2V fixed), output current capability (500mA), input voltage rating (6.5V maximum), quiescent current (55 µA), PSRR characteristics (80dB ~ 40dB across 100Hz ~ 100kHz), control features (Enable, Power Good, Soft Start), protection mechanisms (Over Temperature, Reverse Polarity, Short Circuit), operating temperature range (-40°C ~ 125°C), and package form factor (6-WSON 2x2).

The primary differentiators among substitutes are packaging format (Tape & Reel versus Cut Tape & Digi-Reel), product status (Last Time Buy versus Active), and automotive qualification retention. All substitutes are manufactured by Texas Instruments under the LP5912 base product family and comply with RoHS3, REACH, and identical regulatory classifications.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring automotive-grade qualification and AEC-Q100 compliance, LP5912Q1.2DRVRQ1 is the primary active substitute. This part maintains identical electrical specifications and automotive qualification while offering active product status and Cut Tape & Digi-Reel packaging availability.

For non-automotive applications or where automotive qualification is not mandated, LP5912-1.2DRVR and LP5912-1.2DRVT provide parametric equivalence with active product status. LP5912-1.2DRVR offers higher inventory availability (18,600 units), while LP5912-1.2DRVT is available in lower quantities (1,350 units).

All substitutes maintain identical electrical performance, control functionality, protection mechanisms, and thermal operating range. Selection should be based on packaging format requirements (Tape & Reel versus Cut Tape & Digi-Reel), automotive qualification necessity, and inventory availability for production timelines.

Frequently Asked Questions (FAQ)

Q: Can LP5912-1.2DRVR be used in automotive applications requiring AEC-Q100 certification?

A: LP5912-1.2DRVR is not specified with automotive grade or AEC-Q100 qualification. For automotive applications with certification requirements, use LP5912Q1.2DRVRQ1, which maintains both automotive grade and AEC-Q100 qualification.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape in reel format, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel packaging provides the same components in cut tape segments or alternative reel formats, typically for lower-volume or mixed-component orders. Electrical and mechanical specifications remain identical.

Q: Are all substitute parts pin-compatible with the original LP5912Q1.2DRVTQ1?

A: Yes. All substitute parts use the 6-WSON (2x2) package with identical pinout and electrical interface. PCB layout and schematic connections require no modification.

Q: Does the Last Time Buy status of LP5912Q1.2DRVTQ1 affect its functionality?

A: No. Last Time Buy status indicates the manufacturer will discontinue production. Existing inventory remains fully functional. Active substitutes (LP5912-1.2DRVR, LP5912-1.2DRVT, LP5912Q1.2DRVRQ1) provide identical performance with ongoing availability.

Q: Are there electrical performance differences between the substitute parts?

A: No. All substitute parts maintain identical output voltage (1.2V), output current (500mA), input voltage rating (6.5V), quiescent current (55 µA), PSRR characteristics, control features, protection mechanisms, and operating temperature range (-40°C ~ 125°C).