TLV75512PDRVR Equivalent & Substitute Parts

Part Overview

The TLV75512PDRVR is a linear voltage regulator IC from Texas Instruments designed for positive fixed output applications. It delivers 500mA output current at a fixed 1.2V output voltage with a maximum dropout voltage of 0.665V at full load. The device is housed in a 6-WSON (2x2) package and is currently in active production status. Alternative equivalent and substitute parts are necessary when the primary part experiences supply constraints, when different package configurations are required for layout optimization, or when automotive-grade qualification is mandated for specific applications.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	TLV75512PDRVR
Category	Power Management (PMIC)
Output Voltage (Fixed)	1.2V
Output Current	500mA
Input Voltage (Max)	5.5V
Dropout Voltage (Max)	0.665V @ 500mA
Package Type	6-WSON (2x2)
Operating Temperature	-40°C ~ 125°C (TJ)
Product Status	Active
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TLV75512PDRVR is determined by the following critical parameters:

Primary Substitution Criteria:

Output voltage: 1.2V fixed
Output current capability: 500mA minimum
Input voltage range: Maximum 5.5V
Output configuration: Positive fixed
Number of regulators: Single output
Control features: Enable function required
Protection features: Over current and over temperature protection

Secondary Compatibility Factors:

Mounting type: Surface mount
RoHS compliance: ROHS3 Compliant
Operating temperature range: -40°C minimum to 85°C or higher
Package footprint compatibility for PCB layout

The substitute parts are grouped into two categories: MFR Recommended substitutes (functionally equivalent with different package options) and Parametric Equivalents (identical electrical specifications with automotive-grade qualification).

Parameter Comparison

Parameter	TLV75512PDRVR	RT9013-12GB	RT9081A-09GQZA(2)	NCV8135AMT120TBG	NCV8135AMTW120TBG
Manufacturer	Texas Instruments	Richtek USA Inc.	Richtek USA Inc.	onsemi	onsemi
Output Voltage	1.2V	1.2V	0.9V	1.2V	1.2V
Output Current	500mA	500mA	500mA	500mA	500mA
Input Voltage (Max)	5.5V	5.5V	5.5V	5.5V	5.5V
Dropout Voltage (Max)	0.665V @ 500mA	0.4V @ 500mA	0.25V @ 500mA	0.1V @ 500mA	0.1V @ 500mA
Quiescent Current	31 µA	50 µA	110 µA	55 µA	55 µA
Package Type	6-WSON (2x2)	SOT-23-5	6-ZADFN (1.2x1.2)	6-WDFN (2x2)	6-WDFN (2x2)
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 85°C	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)
Protection Features	Over Current, Over Temperature	Over Current, Over Temperature	Current Limit, Thermal Shutdown, UVLO	Over Current, Over Temperature	Over Current, Over Temperature
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	Standard	Standard	Standard	AEC-Q100	AEC-Q100

Engineering Selection Recommendations

For Direct Package Replacement (6-WSON to 6-WDFN): The NCV8135AMT120TBG and NCV8135AMTW120TBG are parametric equivalents with identical electrical specifications and the same 6-WDFN (2x2) package footprint. Both devices maintain the full operating temperature range (-40°C to 125°C) and carry AEC-Q100 automotive qualification. These parts are suitable for applications requiring automotive-grade components or when enhanced reliability documentation is necessary.

For Alternative Package Configurations: The RT9013-12GB provides equivalent functionality in a SOT-23-5 package, offering a smaller footprint for space-constrained layouts. This part operates within the -40°C to 85°C temperature range and features improved dropout voltage performance (0.4V vs. 0.665V). Selection of this part requires verification that the reduced upper operating temperature limit (85°C vs. 125°C) is acceptable for the target application.

For Enhanced Dropout Performance: The RT9081A-09GQZA(2) delivers the lowest dropout voltage (0.25V @ 500mA) among all substitutes and includes additional protection features (UVLO). However, this part operates at a different output voltage (0.9V) and is not a direct 1.2V replacement. This part is suitable only for applications where the 0.9V output voltage is compatible with system requirements.

Compliance and Certification: All substitute parts maintain ROHS3 compliance and are in active production status. The onsemi NCV8135 series parts carry AEC-Q100 automotive qualification, making them preferred for automotive and high-reliability applications. Standard-grade Richtek parts are suitable for consumer and industrial applications without automotive requirements.

Frequently Asked Questions (FAQ)

Q: Can RT9013-12GB replace TLV75512PDRVR in all applications? A: RT9013-12GB is functionally equivalent for 1.2V 500mA applications but operates at a maximum temperature of 85°C versus 125°C for the TLV75512PDRVR. Substitution is valid only if the application's maximum junction temperature does not exceed 85°C. The SOT-23-5 package is physically smaller than 6-WSON, requiring PCB layout modification.

Q: What is the difference between NCV8135AMT120TBG and NCV8135AMTW120TBG? A: Both parts are electrically and mechanically identical with the same 6-WDFN (2x2) package, output voltage (1.2V), current rating (500mA), and operating temperature range (-40°C to 125°C). The difference lies in packaging format: one is supplied on tape and reel (TR). Both carry AEC-Q100 automotive qualification.

Q: Why does RT9081A-09GQZA(2) have a different output voltage? A: RT9081A-09GQZA(2) is designed for 0.9V fixed output applications and is not a direct replacement for 1.2V requirements. This part is listed as a parametric equivalent only for applications where 0.9V output voltage is specified. Using this part in a 1.2V circuit will result in incorrect voltage regulation.

Q: Are all substitute parts suitable for automotive applications? A: Only NCV8135AMT120TBG and NCV8135AMTW120TBG carry AEC-Q100 automotive qualification. Richtek RT9013-12GB and RT9081A-09GQZA(2) are standard-grade parts without automotive certification. For automotive applications, onsemi NCV8135 series parts are the appropriate choice.

Q: What is the impact of different dropout voltages on system design? A: Lower dropout voltage reduces power dissipation and allows operation with lower input voltages. NCV8135 series parts (0.1V dropout) dissipate significantly less heat than TLV75512PDRVR (0.665V dropout) at 500mA load. This may eliminate the need for thermal management in space-constrained designs. However, all parts maintain the same 500mA output current capability and 1.2V output voltage.

Q: Can I use NCV8135 parts as a direct drop-in replacement? A: NCV8135AMT120TBG and NCV8135AMTW120TBG share the identical 6-WDFN (2x2) package footprint with TLV75512PDRVR, enabling direct PCB replacement without layout modification. Electrical compatibility is confirmed across all critical parameters: 1.2V output, 500mA current, 5.5V maximum input, and -40°C to 125°C operating range.

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