TPS76928DBVR Equivalent & Substitute Parts

Part Overview

The TPS76928DBVR is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) device. It delivers a fixed positive output of 2.8V at 100mA with a maximum dropout voltage of 0.25V, housed in a SOT-23-5 surface mount package. The device is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain flexibility for applications requiring this voltage regulation topology.

Substiute Parts

TPS76928DBVR

Texas InstrumentsIn Stock: 20415TPS76928DBVR Datasheet

Current PartRFQ

TPS77028DBVR

Texas InstrumentsIn Stock: 6453TPS77028DBVR Datasheet

MFR RecommendedRFQ

TPS76928DBVT

Texas InstrumentsIn Stock: 14559TPS76928DBVT Datasheet

Parametric EquivalentRFQ

TPS76928QDBVRG4Q1

Texas InstrumentsIn Stock: 3967TPS76928QDBVRG4Q1 Datasheet

Parametric EquivalentRFQ

TPS78928DBVR

Texas InstrumentsIn Stock: 11027TPS78928DBVR Datasheet

Parametric EquivalentRFQ

TPS78928DBVT

Texas InstrumentsIn Stock: 1504TPS78928DBVT Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPS76928DBVR is determined by the following critical parameters:

Primary Substitution Criteria:

• Output voltage: 2.8V fixed
• Output current capability: 100mA or greater
• Package type: SOT-23-5 (SC-74A, SOT-753)
• Input voltage rating: 10V maximum or greater
• Operating temperature range: -40°C to 125°C minimum
• Protection features: Over current, over temperature, and reverse polarity protection

Substitution Categories:

1. Parametric Equivalents (100% Electrical Match): Parts with identical electrical specifications and packaging, differing only in packaging format (Cut Tape vs. Tape & Reel) or product grade.

2. Functional Equivalents (Reduced Output Current): Parts with the same output voltage and package but lower output current ratings (50mA), suitable only for applications with reduced current requirements.

3. Enhanced Performance Equivalents: Parts with superior electrical characteristics (lower dropout voltage, higher PSRR) while maintaining the same output voltage, current, and package specifications.

4. Automotive Grade Equivalents: Parts meeting AEC-Q100 automotive qualification standards with identical electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Last Time Buy Mitigation):

TPS76928DBVT is the primary substitute for TPS76928DBVR. Both parts are parametric equivalents with identical electrical specifications (2.8V output, 100mA current, 0.25V dropout voltage). The only difference is packaging format: TPS76928DBVR is supplied in Cut Tape, while TPS76928DBVT is supplied in Tape & Reel. TPS76928DBVT is in Active product status with 14516 units in stock, providing supply continuity.

For Enhanced Performance Applications:

TPS78928DBVR and TPS78928DBVT offer superior electrical characteristics with 0.13V dropout voltage (versus 0.25V) and 85dB PSRR (versus 60dB). These parts are suitable for applications requiring lower power dissipation or improved noise rejection. Both are in Active status with adequate inventory.

For Automotive Applications:

TPS76928QDBVRG4Q1 is the automotive-qualified variant (AEC-Q100) with identical electrical specifications to the main part. This option is required for automotive-grade designs and is in Active status.

For Reduced Current Applications:

TPS77028DBVR provides 50mA output current with improved dropout voltage (0.13V @ 50mA). This part is suitable only for applications with maximum current requirements of 50mA or less and is in Active status.

Frequently Asked Questions (FAQ)

Q: Can TPS76928DBVT directly replace TPS76928DBVR in production?

A: Yes. TPS76928DBVT is a parametric equivalent with identical electrical specifications. The difference is packaging format (Tape & Reel versus Cut Tape). Both are SOT-23-5 surface mount packages with the same pinout and electrical performance. Verify your assembly equipment can accommodate Tape & Reel format.

Q: What is the difference between TPS76928DBVR and TPS78928DBVR?

A: Both deliver 2.8V at 100mA in SOT-23-5 packages. TPS78928DBVR has superior performance: 0.13V dropout voltage (versus 0.25V) and 85dB PSRR (versus 60dB). TPS78928DBVR is suitable for designs requiring lower heat dissipation or better noise performance.

Q: Is TPS77028DBVR a suitable substitute?

A: TPS77028DBVR is a functional equivalent only for applications with maximum current requirements of 50mA. It provides the same 2.8V output and SOT-23-5 package but is rated for 50mA output current, not 100mA. Do not use this part if your application requires 100mA output current.

Q: What does "Last Time Buy" mean for TPS76928DBVR?

A: Last Time Buy indicates the manufacturer has discontinued production. Existing inventory (20400 units) is available, but no future production is planned. Transition to an Active status substitute part for long-term supply security.

Q: Can I use TPS76928QDBVRG4Q1 in non-automotive applications?

A: Yes. TPS76928QDBVRG4Q1 meets automotive qualification (AEC-Q100) but is electrically identical to TPS76928DBVR. It can be used in any application requiring 2.8V, 100mA regulation in SOT-23-5 package. Automotive-qualified parts typically have stricter manufacturing controls and longer shelf life.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance of the main part.