TLV9031DCKR Equivalent & Substitute Parts

Part Overview

The TLV9031DCKR is a single low-voltage comparator manufactured by Texas Instruments, designed for general-purpose applications requiring rail-to-rail push-pull output. This device operates across a supply voltage range of 1.65V to 5.5V and is housed in a 5-TSSOP (SC-70-5) surface mount package. The part is currently in active production status with 995 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and operational characteristics that allow direct functional replacement in circuit designs.

Substiute Parts

TLV9031DCKR

Texas InstrumentsIn Stock: 1071TLV9031DCKR Datasheet

Current PartRFQ

TLV9030DCKR

Texas InstrumentsIn Stock: 1073TLV9030DCKR Datasheet

Parametric EquivalentRFQ

TLV9030QDCKRQ1

Texas InstrumentsIn Stock: 3970TLV9030QDCKRQ1 Datasheet

Parametric EquivalentRFQ

TLV9031QDCKRQ1

Texas InstrumentsIn Stock: 3780TLV9031QDCKRQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLV9031DCKR are identified based on the following critical parameters that determine functional equivalence:

Electrical Equivalence Criteria:

• Supply voltage range: 1.65V ~ 5.5V
• Output type: Push-Pull, Rail-to-Rail
• Input offset voltage: 1.5mV @ 5V maximum
• Input bias current: 5pA @ 5V maximum
• Output current: 100mA @ 5V typical
• Quiescent current: 30µA maximum
• CMRR / PSRR: 70dB CMRR, 95dB PSRR typical
• Propagation delay: 100ns typical maximum
• Operating temperature range: -40°C ~ 125°C

Package and Mechanical Equivalence:

• Package type: 5-TSSOP (SC-70-5, SOT-353)
• Mounting type: Surface Mount
• Supplier device package: SC-70-5

Compliance and Environmental:

• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

All substitute parts listed maintain identical electrical specifications and package compatibility with the main part number TLV9031DCKR. Differences in product grade (commercial vs. automotive) and qualification standards are noted separately and do not affect parametric equivalence.

Parameter Comparison

Engineering Selection Recommendations

All four part numbers listed—TLV9031DCKR, TLV9030DCKR, TLV9030QDCKRQ1, and TLV9031QDCKRQ1—are parametrically equivalent and suitable for direct substitution based on identical electrical specifications and package compatibility.

Commercial Grade Selection (TLV9031DCKR, TLV9030DCKR): These parts are appropriate for standard industrial and consumer applications where automotive qualification is not required. Both maintain active production status and are ROHS3 compliant.

Automotive Grade Selection (TLV9030QDCKRQ1, TLV9031QDCKRQ1): These parts carry AEC-Q100 automotive qualification and are suitable for applications requiring automotive-grade reliability and traceability. Selection of automotive-grade parts is necessary only when the application explicitly requires AEC-Q100 certification or automotive supply chain compliance.

Inventory Availability: Part availability varies across the substitute options. TLV9030QDCKRQ1 and TLV9031QDCKRQ1 offer higher inventory levels (3873 and 3739 units respectively) compared to the commercial-grade options.

Frequently Asked Questions (FAQ)

Q: Can TLV9030DCKR be used as a direct replacement for TLV9031DCKR?

A: Yes. Both parts are parametrically equivalent with identical electrical specifications, output characteristics, and package configuration. The primary difference is internal design optimization, but functional performance in circuit applications is equivalent.

Q: What is the difference between commercial and automotive grade versions?

A: Commercial-grade parts (TLV9031DCKR, TLV9030DCKR) are suitable for standard applications. Automotive-grade parts (TLV9030QDCKRQ1, TLV9031QDCKRQ1) carry AEC-Q100 qualification, indicating compliance with automotive reliability standards and enhanced traceability requirements. Electrical specifications remain identical across all grades.

Q: Are the automotive-qualified parts (QDCKRQ1) pin-compatible with commercial versions?

A: Yes. All four part numbers use the identical 5-TSSOP (SC-70-5) package with the same pin configuration and electrical interface. Automotive qualification does not affect package or pin compatibility.

Q: Can I substitute TLV9031QDCKRQ1 for TLV9031DCKR in a non-automotive application?

A: Yes. Automotive-grade parts meet or exceed commercial specifications and can be used in any application where the commercial version is specified. This substitution may increase component cost due to additional qualification requirements.

Q: What parameters must remain constant for substitution to be valid?

A: Supply voltage range (1.65V ~ 5.5V), output type (Push-Pull, Rail-to-Rail), input offset voltage (1.5mV @ 5V max), input bias current (5pA @ 5V max), output current (100mA @ 5V typical), quiescent current (30µA max), CMRR/PSRR (70dB/95dB typical), propagation delay (100ns typical), operating temperature range (-40°C ~ 125°C), and package type (5-TSSOP SC-70-5) must all match for direct substitution.

Q: Is the SC-70-5 package the same as SOT-353?

A: Yes. SC-70-5 and SOT-353 are equivalent designations for the same 5-pin thin small-outline package used across all listed part numbers.