LP5912-0.9DRVR Equivalent & Substitute Parts

Part Overview

The LP5912-0.9DRVR is a linear voltage regulator IC from Texas Instruments designed for positive fixed output applications. This Surface Mount device delivers 500mA output current with a fixed 0.9V output and operates across an input range up to 6.5V. The part integrates Enable, Power Good, and Soft Start control features alongside Over Temperature, Reverse Polarity, and Short Circuit protection.

The LP5912-0.9DRVR is currently in Active product status with 3100 units in stock. Equivalent substitute parts are available with varying product statuses and packaging configurations, providing flexibility for procurement and design requirements.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Fixed
Voltage - Output (Min/Fixed)	0.9V
Voltage - Input (Max)	6.5V
Current - Output	500mA
Current - Quiescent (Iq)	55 µA
PSRR	65dB ~ 40dB (100Hz ~ 100kHz)
Control Features	Enable, Power Good, Soft Start
Protection Features	Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	6-WDFN Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LP5912-0.9DRVR is determined by strict parametric equivalence across all electrical and mechanical specifications. The following criteria define valid substitutes:

Output voltage: 0.9V fixed
Output current capability: 500mA
Input voltage maximum: 6.5V
Package type: 6-WDFN Exposed Pad (6-WSON 2x2)
Control features: Enable, Power Good, Soft Start
Protection features: Over Temperature, Reverse Polarity, Short Circuit
Operating temperature range: -40°C ~ 125°C
RoHS and compliance status: ROHS3 Compliant

All identified substitute parts meet these parametric requirements. Variations exist only in product status, packaging format (Tape & Reel vs. Cut Tape & Digi-Reel), and automotive qualification grades.

Parameter Comparison

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

Engineering Selection Recommendations

Selection among equivalent parts should be based on the following criteria:

For Active Product Status: LP5912-0.9DRVR (standard grade, Tape & Reel) or LP5912Q0.9DRVRQ1 (automotive grade, Cut Tape & Digi-Reel) are both in Active status. LP5912Q0.9DRVRQ1 provides the highest inventory availability (9550 units) and includes AEC-Q100 automotive qualification.

For Automotive Applications: LP5912Q0.9DRVRQ1 and LP5912Q0.9DRVTQ1 carry AEC-Q100 qualification and automotive-grade designation, suitable for automotive and high-reliability applications.

For Standard Industrial Applications: LP5912-0.9DRVR maintains Active status with standard-grade qualification and adequate inventory (3100 units).

For Last Time Buy Consideration: LP5912-0.9DRVT and LP5912Q0.9DRVTQ1 are designated Last Time Buy. These parts remain functionally equivalent but represent end-of-life products.

For Packaging Format: Tape & Reel (TR) packaging is available for LP5912-0.9DRVR, LP5912-0.9DRVT, and LP5912Q0.9DRVTQ1. Cut Tape & Digi-Reel packaging is available for LP5912Q0.9DRVRQ1.

Frequently Asked Questions (FAQ)

Q: Can LP5912Q0.9DRVRQ1 replace LP5912-0.9DRVR in standard industrial applications?

A: Yes. LP5912Q0.9DRVRQ1 is parametrically equivalent and meets all electrical and mechanical specifications. The automotive-grade qualification and AEC-Q100 certification provide additional reliability margins suitable for any application requiring the LP5912-0.9DRVR specifications.

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

A: Tape & Reel (TR) packaging supplies components on continuous tape suitable for high-volume automated assembly. Cut Tape & Digi-Reel packaging provides components on cut tape segments, typically for lower-volume or mixed-component orders. Both formats contain identical components in the same 6-WSON (2x2) package.

Q: Are Last Time Buy parts suitable for new designs?

A: Last Time Buy designation indicates the manufacturer will not produce additional units beyond current inventory. These parts are functionally equivalent and suitable for designs where long-term supply is not required. For designs requiring extended production runs or future revisions, Active status parts are recommended.

Q: Does the automotive qualification of LP5912Q0.9DRVRQ1 affect its use in non-automotive applications?

A: No. Automotive qualification represents an additional certification level and does not restrict use in other applications. AEC-Q100 qualified parts meet or exceed standard industrial specifications and are fully compatible with non-automotive designs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status and are REACH Unaffected, meeting current environmental and regulatory requirements.

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