TPS3125J12DBVT Equivalent & Substitute Parts

Part Overview

The TPS3125J12DBVT is a single-channel supervisor IC in SOT-23-5 surface mount packaging, designed for power management and reset control applications. This device features push-pull totem pole output with active high/active low reset capability and a 1.08V voltage threshold. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for design continuity and supply chain planning.

Substiute Parts

TPS3125J12DBVT
Texas InstrumentsIn Stock: 987TPS3125J12DBVT Datasheet
TPS3125J12DBVT
Current Part
TPS3124J12DBVR
Texas InstrumentsIn Stock: 838TPS3124J12DBVR Datasheet
TPS3124J12DBVR
Parametric Equivalent
TPS3124J12DBVT
Texas InstrumentsIn Stock: 2169TPS3124J12DBVT Datasheet
TPS3124J12DBVT
Parametric Equivalent
TPS3125J12DBVR
Texas InstrumentsIn Stock: 3718TPS3125J12DBVR Datasheet
TPS3125J12DBVR
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Texas Instruments
Category Power Management (PMIC)
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage Threshold 1.08V
Output Configuration Push-Pull, Totem Pole
Reset Type Active High/Active Low
Reset Timeout 100ms Minimum
Operating Temperature Range -40°C ~ 85°C (TA)
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution for the TPS3125J12DBVT is determined by strict equivalence across the following critical parameters:

  • Single-channel voltage monitoring capability
  • 1.08V voltage threshold setting
  • Push-pull totem pole output configuration
  • Active high/active low reset functionality
  • 100ms minimum reset timeout
  • Operating temperature range of -40°C to 85°C
  • SOT-23-5 surface mount package (SC-74A, SOT-753)
  • ROHS3 compliance and REACH unaffected status

The substitute parts identified—TPS3124J12DBVR, TPS3124J12DBVT, and TPS3125J12DBVR—meet all these electrical and mechanical parameters. Differences exist only in product status and packaging format (Tape & Reel designation), which do not affect functional equivalence.

Parameter Comparison

Part Number Manufacturer Voltage Threshold Output Type Reset Type Reset Timeout Operating Temp Package Product Status Inventory (Pcs)
TPS3125J12DBVT Texas Instruments 1.08V Push-Pull, Totem Pole Active High/Active Low 100ms Min -40°C ~ 85°C SOT-23-5 Last Time Buy 904
TPS3125J12DBVR Texas Instruments 1.08V Push-Pull, Totem Pole Active High/Active Low 100ms Min -40°C ~ 85°C SOT-23-5 Active 3608
TPS3124J12DBVT Texas Instruments 1.08V Push-Pull, Totem Pole Active High/Active Low 100ms Min -40°C ~ 85°C SOT-23-5 Last Time Buy 2100
TPS3124J12DBVR Texas Instruments 1.08V Push-Pull, Totem Pole Active High/Active Low 100ms Min -40°C ~ 85°C SOT-23-5 Active 761

Engineering Selection Recommendations

For applications currently using TPS3125J12DBVT, the following selection criteria apply:

Active Product Status Priority: TPS3125J12DBVR and TPS3124J12DBVR are designated as Active products, providing extended availability and supply chain stability compared to Last Time Buy status parts.

Packaging Format Consideration: The "R" suffix (DBVR) indicates reel packaging format, while "T" suffix (DBVT) indicates tape packaging. Both formats are functionally equivalent; selection depends on assembly line requirements and tape/reel handling capabilities.

Compliance Assurance: All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

Inventory Availability: TPS3125J12DBVR offers the highest current inventory level (3608 pcs), followed by TPS3124J12DBVT (2100 pcs), supporting long-term production planning.

Frequently Asked Questions (FAQ)

Q: Can TPS3124J12DBVR be used as a direct replacement for TPS3125J12DBVT?

A: Yes. Both parts share identical electrical specifications including voltage threshold (1.08V), output configuration (push-pull totem pole), reset functionality (active high/active low), and operating temperature range (-40°C to 85°C). The difference in base product number (TPS3124 vs. TPS3125) does not affect functional equivalence for the specified parameters.

Q: What is the difference between DBVT and DBVR packaging designations?

A: DBVT indicates tape packaging format, while DBVR indicates reel packaging format. Both use the same SOT-23-5 physical package (SC-74A, SOT-753). Selection between tape and reel depends on assembly equipment compatibility and handling procedures, not electrical performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts—TPS3125J12DBVR, TPS3124J12DBVT, and TPS3124J12DBVR—are ROHS3 compliant and REACH unaffected, matching the compliance status of the original TPS3125J12DBVT.

Q: Which substitute part offers the best supply availability?

A: TPS3125J12DBVR currently has the highest inventory level at 3608 pcs and is designated as an Active product, providing the most stable long-term availability compared to Last Time Buy status alternatives.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All substitute parts use identical SOT-23-5 surface mount packaging (SC-74A, SOT-753) with the same pin configuration, allowing direct PCB-level substitution without layout modifications.

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