TPS2020P Equivalent & Substitute Parts

Part Overview

The TPS2020P is a Power Management IC (PMIC) functioning as a general-purpose N-channel power switch with 1:1 input-to-output ratio and high-side output configuration. Manufactured by Texas Instruments, this component operates across a 2.7V to 5.5V load voltage range with a maximum output current of 200mA and typical on-resistance of 33mOhm. The device features status flag output, current limiting, over-temperature protection, and UVLO (Under-Voltage Lock-Out) fault protection.

The TPS2020P is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production support. Active alternatives with identical or compatible electrical specifications are available from the same manufacturer.

Substiute Parts

TPS2020P

Texas InstrumentsIn Stock: 707TPS2020P Datasheet

Current PartRFQ

TPS2020D

Texas InstrumentsIn Stock: 2811TPS2020D Datasheet

MFR RecommendedRFQ

TPS2030P

Texas InstrumentsIn Stock: 1118TPS2030P Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TPS2020P is determined by strict equivalence across the following critical parameters:

• Output Configuration: High Side, N-Channel, 1:1 input-to-output ratio
• Voltage Range: 2.7V ~ 5.5V load voltage
• Current Rating: 200mA maximum output current
• On-Resistance: 33mOhm typical
• Fault Protection: Current Limiting (Fixed), Over Temperature, UVLO
• Features: Status Flag output
• Operating Temperature: -40°C ~ 125°C (TJ)
• RoHS Compliance: ROHS3 Compliant

Substitute parts are grouped into two categories:

1. MFR Recommended Substitute (TPS2020D): Identical electrical specifications with different mounting technology (Surface Mount vs. Through Hole).

2. Parametric Equivalent (TPS2030P): Identical electrical specifications and mounting type (Through Hole) with a single functional difference in input logic (Non-Inverting vs. Inverting).

Parameter Comparison

Engineering Selection Recommendations

For Direct Pin-Compatible Replacement (Through Hole Mounting):

Select TPS2030P when the original TPS2020P design requires a through-hole package and the circuit topology can accommodate non-inverting input logic. This part maintains identical electrical performance, thermal characteristics, and protection features while offering active product status and full availability.

For Surface Mount Migration:

Select TPS2020D when transitioning to surface-mount technology or when board redesign is feasible. This part provides identical electrical specifications and active product status. The 8-SOIC package reduces board footprint and is compatible with modern manufacturing processes. Input logic remains inverting, matching the original TPS2020P design.

Both substitute parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. Selection between TPS2020D and TPS2030P depends on mounting technology requirements and input logic compatibility with existing circuit design.

Frequently Asked Questions (FAQ)

Q: Can TPS2020D replace TPS2020P in existing PCB designs?

A: TPS2020D provides identical electrical specifications but requires PCB redesign due to package change from 8-DIP (through-hole) to 8-SOIC (surface-mount). Pin-to-pin compatibility does not exist between these packages.

Q: What is the primary difference between TPS2020D and TPS2030P?

A: Both parts share identical electrical ratings, current capacity, voltage range, and protection features. The key difference is input logic: TPS2020D maintains inverting input logic matching the original TPS2020P, while TPS2030P uses non-inverting input logic. Mounting type also differs: TPS2020D is surface-mount (8-SOIC), while TPS2030P is through-hole (8-DIP).

Q: Is TPS2030P a direct pin-for-pin replacement for TPS2020P?

A: TPS2030P shares the same 8-DIP through-hole package as TPS2020P, enabling direct socket compatibility. However, the non-inverting input logic differs from the original inverting design. Circuit topology must be evaluated to confirm functional compatibility.

Q: Why is TPS2020P classified as obsolete?

A: Product status reflects Texas Instruments' lifecycle management. Active alternatives with superior availability and identical electrical performance are available through TPS2020D and TPS2030P.

Q: Are all three parts RoHS and REACH compliant?

A: Yes. TPS2020P, TPS2020D, and TPS2030P are all ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What is the typical on-resistance specification across all three parts?

A: All three parts maintain 33mOhm typical on-resistance (Rds On), ensuring equivalent power dissipation and thermal performance in switching applications.