LP5912-3.0DRVT Equivalent & Substitute Parts

Part Overview

The LP5912-3.0DRVT is a linear voltage regulator IC from Texas Instruments designed for positive fixed 3V output applications with 500mA current capacity. This Surface Mount device in 6-WSON (2x2) package integrates enable, power good, and soft start control features alongside over temperature, reverse polarity, and short circuit protection. The part is currently in Last Time Buy status, making identification of equivalent and substitute parts essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Voltage (Fixed)	3V
Output Current	500mA
Input Voltage (Max)	6.5V
Dropout Voltage (Max)	0.25V @ 500mA
Quiescent Current	55 µA
Operating Temperature Range	-40°C ~ 125°C (TJ)
Package / Case	6-WDFN Exposed Pad
Mounting Type	Surface Mount
Control Features	Enable, Power Good, Soft Start
Protection Features	Over Temperature, Reverse Polarity, Short Circuit
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the LP5912-3.0DRVT is determined by electrical and mechanical parameter alignment across the LP5912 series. All identified substitute parts maintain identical electrical specifications: 3V fixed output, 500mA output current, 6.5V maximum input voltage, 0.25V dropout voltage at 500mA, 55 µA quiescent current, and the complete control and protection feature set. All substitutes use the same 6-WSON (2x2) package with exposed pad, ensuring mechanical and thermal compatibility.

Substitution differences are limited to packaging format (Tape & Reel versus Cut Tape & Digi-Reel) and product grade qualification. The LP5912Q variants include AEC-Q100 automotive qualification, while the standard LP5912 variants do not. Product status varies between Active and Last Time Buy designations.

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Output Current	Input Voltage (Max)	Dropout Voltage	Quiescent Current	Package	Packaging Format	Product Status	Grade	Qualification
LP5912-3.0DRVT	Texas Instruments	3V	500mA	6.5V	0.25V @ 500mA	55 µA	6-WSON (2x2)	Tape & Reel (TR)	Last Time Buy	Standard	N/A
LP5912-3.0DRVR	Texas Instruments	3V	500mA	6.5V	0.25V @ 500mA	55 µA	6-WSON (2x2)	Cut Tape (CT) & Digi-Reel®	Active	Standard	N/A
LP5912Q3.0DRVRQ1	Texas Instruments	3V	500mA	6.5V	0.25V @ 500mA	55 µA	6-WSON (2x2)	Tape & Reel (TR)	Active	Automotive	AEC-Q100
LP5912Q3.0DRVTQ1	Texas Instruments	3V	500mA	6.5V	0.25V @ 500mA	55 µA	6-WSON (2x2)	Cut Tape (CT) & Digi-Reel®	Last Time Buy	Automotive	AEC-Q100

Engineering Selection Recommendations

For applications requiring immediate procurement, LP5912-3.0DRVR is the preferred substitute due to Active product status and equivalent electrical performance with Cut Tape & Digi-Reel packaging availability.

For automotive applications requiring AEC-Q100 qualification, LP5912Q3.0DRVRQ1 provides Active status with automotive-grade certification and Tape & Reel packaging. This part is suitable for designs requiring automotive compliance without Last Time Buy constraints.

LP5912Q3.0DRVTQ1 offers automotive-grade AEC-Q100 qualification with Cut Tape & Digi-Reel packaging but carries Last Time Buy status, limiting long-term procurement viability.

All substitutes maintain identical electrical specifications, control features, protection mechanisms, and thermal operating range, ensuring direct functional equivalence within the LP5912 series.

Frequently Asked Questions (FAQ)

Q: Can LP5912-3.0DRVR directly replace LP5912-3.0DRVT in production?

A: Yes. Both parts are electrically identical with matching output voltage, current capacity, dropout voltage, quiescent current, and control/protection features. The difference is packaging format: LP5912-3.0DRVT uses Tape & Reel while LP5912-3.0DRVR uses Cut Tape & Digi-Reel. PCB footprint and thermal characteristics are identical.

Q: What is the difference between standard LP5912 and LP5912Q variants?

A: LP5912Q variants include AEC-Q100 automotive qualification and automotive-grade designation. Electrical specifications remain identical. Standard LP5912 variants are suitable for industrial and consumer applications without automotive requirements.

Q: Why are some parts marked Last Time Buy?

A: Last Time Buy status indicates Texas Instruments has discontinued or will discontinue production. LP5912-3.0DRVT and LP5912Q3.0DRVTQ1 carry this designation. For new designs or long-term production, select Active status parts: LP5912-3.0DRVR or LP5912Q3.0DRVRQ1.

Q: Are all substitutes in the same package?

A: Yes. All parts use 6-WSON (2x2) with exposed pad, ensuring identical PCB footprint, mounting compatibility, and thermal performance.

Q: Which substitute should I select for automotive applications?

A: LP5912Q3.0DRVRQ1 is the recommended choice for automotive applications, offering AEC-Q100 qualification with Active product status and Tape & Reel packaging for high-volume production.

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