LP5912Q3.0DRVTQ1 Equivalent & Substitute Parts

Part Overview

The LP5912Q3.0DRVTQ1 is a linear voltage regulator IC from Texas Instruments designed for positive fixed 3V output applications. This automotive-grade device delivers 500mA output current in a compact 6-WSON (2x2) surface mount package. 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
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 Type	6-WDFN Exposed Pad (6-WSON 2x2)
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the LP5912Q3.0DRVTQ1 is determined by strict parametric matching across the following criteria:

Critical Parameters for Substitution:

Output voltage: 3V fixed
Output current capability: 500mA
Input voltage maximum: 6.5V
Dropout voltage: 0.25V @ 500mA
Quiescent current: 55 µA
Operating temperature range: -40°C ~ 125°C
Package: 6-WDFN Exposed Pad (6-WSON 2x2)
Control features: Enable, Power Good, Soft Start
Protection features: Over Temperature, Reverse Polarity, Short Circuit

All identified substitute parts maintain identical electrical specifications and package dimensions. Variations exist only in packaging format (Cut Tape vs. Tape & Reel) and product status (Active vs. Last Time Buy).

Parameter Comparison

Parameter	LP5912Q3.0DRVTQ1	LP5912-3.0DRVR	LP5912-3.0DRVT	LP5912Q3.0DRVRQ1
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Output Voltage	3V	3V	3V	3V
Output Current	500mA	500mA	500mA	500mA
Input Voltage (Max)	6.5V	6.5V	6.5V	6.5V
Dropout Voltage (Max)	0.25V @ 500mA	0.25V @ 500mA	0.25V @ 500mA	0.25V @ 500mA
Quiescent Current	55 µA	55 µA	55 µA	55 µA
PSRR	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)	80dB ~ 40dB (100Hz ~ 100kHz)
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Package	6-WDFN Exposed Pad	6-WDFN Exposed Pad	6-WDFN Exposed Pad	6-WDFN Exposed Pad
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	Standard	Standard	Automotive
Qualification	AEC-Q100	None	None	AEC-Q100
Product Status	Last Time Buy	Active	Last Time Buy	Active
Packaging Format	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Automotive Applications with AEC-Q100 Requirement: LP5912Q3.0DRVRQ1 is the primary substitute. This part maintains automotive-grade qualification and AEC-Q100 certification identical to the main part. It is currently in Active product status with 56,300 units in stock, providing superior long-term availability compared to the Last Time Buy status of LP5912Q3.0DRVTQ1.

For Non-Automotive or Standard-Grade Applications: LP5912-3.0DRVR and LP5912-3.0DRVT are functionally equivalent alternatives. LP5912-3.0DRVR is in Active status with 17,551 units available. LP5912-3.0DRVT is in Last Time Buy status with 1,880 units available. Both lack automotive qualification but maintain identical electrical performance and package specifications.

Packaging Considerations: LP5912Q3.0DRVTQ1 and LP5912-3.0DRVR are supplied in Cut Tape (CT) & Digi-Reel® format. LP5912-3.0DRVT and LP5912Q3.0DRVRQ1 are supplied in Tape & Reel (TR) format. Selection should align with assembly line equipment and procurement volume requirements.

Frequently Asked Questions (FAQ)

Q: Can LP5912-3.0DRVR be used as a direct replacement for LP5912Q3.0DRVTQ1 in automotive applications? A: No. LP5912-3.0DRVR lacks automotive-grade qualification and AEC-Q100 certification. For automotive designs, use LP5912Q3.0DRVRQ1, which maintains both certifications.

Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Cut Tape (CT) & Digi-Reel® format is suitable for lower-volume orders and manual assembly. Tape & Reel (TR) format is optimized for high-volume automated assembly lines. Electrical performance is identical; selection depends on manufacturing process requirements.

Q: Are all substitute parts pin-compatible with LP5912Q3.0DRVTQ1? A: Yes. All substitute parts use the 6-WDFN Exposed Pad package (6-WSON 2x2) with identical pinout and footprint.

Q: Why is LP5912Q3.0DRVTQ1 marked as Last Time Buy? A: Last Time Buy status indicates the manufacturer will discontinue this specific part number variant. Customers should transition to active alternatives such as LP5912Q3.0DRVRQ1 for long-term design continuity.

Q: Do all substitute parts have the same control and protection features? A: Yes. All parts include Enable, Power Good, and Soft Start control features, plus Over Temperature, Reverse Polarity, and Short Circuit protection.

Q: What is the MSL rating and why does it matter? A: All parts have MSL 1 (Unlimited), meaning they have unlimited shelf life and require no special moisture control during storage or handling.

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