TPS2012D Equivalent & Substitute Parts

Part Overview

The TPS2012D is a Power Management Integrated Circuit (PMIC) functioning as a power switch/driver with N-channel output configuration. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The TPS2012D delivers 1A maximum output current in a high-side switching configuration with on/off control interface, operating across a 2.7V to 5.5V load voltage range. Due to its discontinued design status, identifying functionally equivalent alternatives is necessary for ongoing system support and component procurement.

Substiute Parts

TPS2012D
Texas InstrumentsIn Stock: 973TPS2012D Datasheet
TPS2012D
Current Part
TPS2012AD
Texas InstrumentsIn Stock: 2437TPS2012AD Datasheet
TPS2012AD
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number TPS2012D
Manufacturer Texas Instruments
Category Power Management (PMIC)
Package Type 8-SOIC (0.154", 3.90mm Width)
Switch Type General Purpose
Output Configuration High Side, N-Channel, 1:1 Ratio
Current - Output (Max) 1A
Voltage - Load 2.7V ~ 5.5V
Rds On (Typ) 75mOhm
Operating Temperature -40°C ~ 125°C (TJ)
Fault Protection Current Limiting (Fixed), Over Temperature
RoHS Status ROHS3 Compliant
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TPS2012D is determined by the following critical parameters:

  • Package Compatibility: 8-SOIC form factor (0.154", 3.90mm Width) for direct PCB layout compatibility
  • Electrical Specifications: 1A maximum output current, 2.7V to 5.5V load voltage range, high-side N-channel output configuration with 1:1 input-output ratio
  • Interface Type: On/off control with non-inverting input
  • Thermal Performance: Operating temperature range of -40°C to 125°C (TJ)
  • Compliance Standards: ROHS3 compliance and MSL 1 rating

The TPS2012AD qualifies as a direct substitute based on matching all critical parameters while offering improved electrical performance characteristics and active product status.

Parameter Comparison

Parameter TPS2012D TPS2012AD
Manufacturer Part Number TPS2012D TPS2012AD
Manufacturer Texas Instruments Texas Instruments
Product Status Not For New Designs Active
Package Type 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Switch Type General Purpose General Purpose
Output Configuration High Side, N-Channel, 1:1 Ratio High Side, N-Channel, 1:1 Ratio
Current - Output (Max) 1A 1A
Voltage - Load 2.7V ~ 5.5V 2.7V ~ 5.5V
Rds On (Typ) 75mOhm 33mOhm
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Fault Protection Current Limiting (Fixed), Over Temperature Current Limiting (Fixed), Over Temperature, UVLO
RoHS Status ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

The TPS2012AD is the manufacturer-recommended substitute for the TPS2012D. Both components share identical package geometry, electrical ratings, and thermal specifications, enabling direct replacement without PCB redesign. The TPS2012AD maintains ROHS3 compliance and MSL 1 rating, satisfying the same environmental and regulatory requirements as the original part.

The TPS2012AD offers two technical advantages: reduced on-resistance (33mOhm versus 75mOhm) and enhanced fault protection through integrated Under-Voltage Lockout (UVLO) functionality. These improvements provide superior thermal efficiency and system reliability without compromising compatibility.

The TPS2012AD carries Active product status, ensuring long-term availability and continued manufacturer support, whereas the TPS2012D is designated Not For New Designs, indicating limited future procurement viability.

Frequently Asked Questions (FAQ)

Q: Can the TPS2012AD replace the TPS2012D in existing designs?

A: Yes. Both components utilize identical 8-SOIC packaging, matching pinout configurations, and equivalent electrical specifications for load voltage (2.7V ~ 5.5V) and output current (1A maximum). Direct substitution is possible without circuit modification.

Q: What are the differences between TPS2012D and TPS2012AD?

A: The primary differences are product lifecycle status and performance characteristics. The TPS2012AD is an active product with lower on-resistance (33mOhm versus 75mOhm) and additional UVLO protection. The TPS2012D is designated Not For New Designs and has higher on-resistance.

Q: Are there any thermal or reliability concerns with substitution?

A: No. Both parts operate across the identical temperature range (-40°C to 125°C TJ) and maintain equivalent MSL 1 ratings. The TPS2012AD's lower on-resistance may reduce junction temperature in applications with sustained current draw.

Q: Does the TPS2012AD require different PCB layout considerations?

A: No. The 8-SOIC package dimensions and pinout are identical, requiring no layout modifications. Existing PCB designs accommodate the TPS2012AD without alteration.

Q: What is the significance of UVLO protection in the TPS2012AD?

A: Under-Voltage Lockout (UVLO) prevents device operation when supply voltage falls below specified thresholds, protecting against undefined behavior during power transitions. This feature enhances system robustness in applications with variable or marginal supply conditions.

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