LP5912-0.9DRVT Equivalent & Substitute Parts

Part Overview

The LP5912-0.9DRVT is a linear voltage regulator IC from Texas Instruments designed for positive fixed 0.9V output applications. This Surface Mount device delivers 500mA output current in a compact 6-WSON (2x2) package with integrated protection features including over-temperature, reverse polarity, and short-circuit protection. The part is currently in Last Time Buy status, making identification of equivalent alternatives essential for design continuity and supply chain planning.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Voltage (Fixed)	0.9V
Output Current	500mA
Input Voltage (Max)	6.5V
Quiescent Current	55 µA
Package Type	6-WSON (2x2)
Control Features	Enable, Power Good, Soft Start
Protection Features	Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature Range	-40°C to 125°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LP5912-0.9DRVT is determined by strict parametric matching across the following critical criteria:

Electrical Parameters (Must Match):

Output voltage: 0.9V fixed
Output current capability: 500mA
Input voltage maximum: 6.5V
Quiescent current: 55 µA
Control features: Enable, Power Good, Soft Start
Protection features: Over Temperature, Reverse Polarity, Short Circuit
Operating temperature range: -40°C to 125°C

Mechanical Parameters (Must Match):

Package type: 6-WSON (2x2)
Mounting type: Surface Mount
Exposed pad configuration

Compliance Parameters (Must Match):

RoHS3 compliance
Moisture Sensitivity Level 1

All identified substitutes maintain identical electrical and mechanical specifications. Differences exist only in packaging format (Tape & Reel vs. Cut Tape) and product status (Active vs. Last Time Buy), with some variants including automotive-grade qualification (AEC-Q100).

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Output Current	Input Voltage (Max)	Quiescent Current	Package	Packaging Format	Product Status	Grade	Inventory
LP5912-0.9DRVT	Texas Instruments	0.9V	500mA	6.5V	55 µA	6-WSON (2x2)	Tape & Reel	Last Time Buy	Standard	2117 Pcs
LP5912-0.9DRVR	Texas Instruments	0.9V	500mA	6.5V	55 µA	6-WSON (2x2)	Tape & Reel	Active	Standard	3100 Pcs
LP5912Q0.9DRVRQ1	Texas Instruments	0.9V	500mA	6.5V	55 µA	6-WSON (2x2)	Cut Tape & Digi-Reel®	Active	Automotive (AEC-Q100)	9550 Pcs
LP5912Q0.9DRVTQ1	Texas Instruments	0.9V	500mA	6.5V	55 µA	6-WSON (2x2)	Tape & Reel	Last Time Buy	Automotive (AEC-Q100)	1900 Pcs

Engineering Selection Recommendations

For Standard Industrial Applications: LP5912-0.9DRVR is the primary substitute for LP5912-0.9DRVT. Both maintain identical electrical and mechanical specifications with Tape & Reel packaging. LP5912-0.9DRVR holds Active product status, ensuring long-term availability and supply continuity compared to the Last Time Buy status of the original part.

For Automotive Applications: LP5912Q0.9DRVRQ1 provides automotive-grade qualification (AEC-Q100) with Active product status and highest available inventory (9550 Pcs). This variant is suitable for designs requiring automotive-grade components while maintaining all electrical and mechanical equivalence.

For Tape & Reel Packaging Requirement: Both LP5912-0.9DRVR and LP5912Q0.9DRVTQ1 are available in Tape & Reel format. LP5912-0.9DRVR is recommended due to Active status; LP5912Q0.9DRVTQ1 is available for automotive applications despite Last Time Buy status.

For Cut Tape & Digi-Reel® Packaging: LP5912Q0.9DRVRQ1 is the sole option, offering automotive qualification and Active product status with substantial inventory availability.

Frequently Asked Questions (FAQ)

Q: Can LP5912-0.9DRVR directly replace LP5912-0.9DRVT in existing designs? A: Yes. Both parts are parametrically identical across all electrical specifications, control features, protection features, and package configuration. The only difference is product status (Active vs. Last Time Buy) and packaging format (both Tape & Reel). No design modifications are required.

Q: What is the difference between standard and automotive-grade variants? A: Automotive-grade variants (LP5912Q0.9DRVRQ1 and LP5912Q0.9DRVTQ1) carry AEC-Q100 qualification, indicating compliance with automotive reliability standards. Electrical and mechanical specifications remain identical to standard variants. Selection depends on application requirements, not technical performance.

Q: Why are there multiple part numbers for the same functionality? A: Part number variations reflect packaging format (Tape & Reel vs. Cut Tape & Digi-Reel®), product grade (standard vs. automotive), and product lifecycle status (Active vs. Last Time Buy). All variants deliver identical electrical performance in the 6-WSON (2x2) package.

Q: Is the 6-WSON (2x2) package interchangeable across all variants? A: Yes. All listed substitutes use the identical 6-WSON (2x2) package with exposed pad configuration. PCB footprints and assembly processes are identical across all variants.

Q: What inventory considerations should guide part selection? A: LP5912Q0.9DRVRQ1 offers the highest inventory (9550 Pcs), followed by LP5912-0.9DRVR (3100 Pcs). For long-term supply security, Active status parts (LP5912-0.9DRVR and LP5912Q0.9DRVRQ1) are preferred over Last Time Buy variants.

Q: Are all variants RoHS3 compliant? A: Yes. All listed substitutes maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), matching the original LP5912-0.9DRVT specifications.

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