TPS2065DBVT Equivalent & Substitute Parts

Part Overview

The TPS2065DBVT is a Power Switch/Driver IC manufactured by Texas Instruments, designed for high-side N-channel switching applications with 1A output capability. This component operates across a 2.7V to 5.5V load voltage range and integrates current limiting, over-temperature protection, and under-voltage lockout (UVLO) fault protection mechanisms. The device is classified as Obsolete, necessitating identification of active alternative components for new designs and ongoing production requirements.

Substiute Parts

TPS2065DBVT

Texas InstrumentsIn Stock: 2129TPS2065DBVT Datasheet

Current PartRFQ

TPS2061DBVR

Texas InstrumentsIn Stock: 6435TPS2061DBVR Datasheet

Parametric EquivalentRFQ

TPS2061DBVT

Texas InstrumentsIn Stock: 2223TPS2061DBVT Datasheet

Parametric EquivalentRFQ

TPS2065DBVR

Texas InstrumentsIn Stock: 38379TPS2065DBVR Datasheet

Parametric EquivalentRFQ

NCP380HSN05AAT1G

onsemiIn Stock: 17230NCP380HSN05AAT1G Datasheet

MFR RecommendedRFQ

NCP380HSN10AAT1G

onsemiIn Stock: 20630NCP380HSN10AAT1G Datasheet

MFR RecommendedRFQ

NCP380LSN05AAT1G

onsemiIn Stock: 15743NCP380LSN05AAT1G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TPS2065DBVT are classified based on strict parametric equivalence across the following critical criteria:

Primary Substitution Criteria:

• Output Type (N-Channel vs. P-Channel topology)
• Output Configuration (High Side)
• Number of Outputs (1)
• Ratio - Input:Output (1:1)
• Voltage - Load range compatibility (2.7V ~ 5.5V minimum)
• Current - Output (Max) capability (1A or greater)
• Rds On (Typ) specification (70mOhm)
• Interface type (On/Off)
• Input Type (Non-Inverting)
• Fault Protection features (Current Limiting, UVLO minimum)
• Mounting Type (Surface Mount)
• Package compatibility (SOT-23-5 form factor)

Grouping Logic:

Group 1: Texas Instruments N-Channel Equivalents (Parametric Match) Parts TPS2061DBVR, TPS2061DBVT, and TPS2065DBVR maintain identical electrical specifications to the main part, including N-channel output topology, 1A maximum output current, 70mOhm typical on-resistance, and identical fault protection architecture. These components differ only in product status (Active vs. Obsolete) and packaging configuration (Cut Tape vs. Tape & Reel).

Group 2: onsemi P-Channel Alternatives (Functional Equivalents with Topology Variation) Parts NCP380HSN05AAT1G, NCP380HSN10AAT1G, and NCP380LSN05AAT1G provide functional substitution through P-channel output topology. These components maintain 1:1 input:output ratio, high-side configuration, on/off interface, and non-inverting input logic. Key differences include P-channel output type, reduced maximum operating temperature (85°C ambient vs. 125°C junction), and current ratings of 500mA or 1A. The NCP380 series includes additional features (Enable Input, Slew Rate Controlled) not present in the TPS2065.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Identical Topology): TPS2061DBVR, TPS2061DBVT, and TPS2065DBVR are recommended as primary substitutes for the obsolete TPS2065DBVT. All three components maintain Active product status, ensuring long-term availability and supply chain continuity. These parts preserve the N-channel output topology, identical electrical specifications, and equivalent fault protection architecture. Selection between these three should be based on packaging requirements: TPS2061DBVR and TPS2065DBVR are supplied in Cut Tape (CT) & Digi-Reel® format, while TPS2061DBVT is supplied in Tape & Reel (TR) format. All three are ROHS3 Compliant with MSL 1 (Unlimited) rating.

For Functional Substitution (P-Channel Alternative): The onsemi NCP380 series (NCP380HSN05AAT1G, NCP380HSN10AAT1G, NCP380LSN05AAT1G) provides functional equivalence through P-channel output topology. These components are suitable only when circuit design permits P-channel switching operation. NCP380HSN10AAT1G is preferred for 1A applications, matching the original 1A output current specification. NCP380HSN05AAT1G and NCP380LSN05AAT1G are limited to 500mA output current and are suitable only for reduced-current applications. All NCP380 variants are ROHS3 Compliant with MSL 1 (Unlimited) rating and Active product status.

Temperature Derating Consideration: onsemi NCP380 series components operate to -40°C ~ 85°C (TA), compared to the TPS2065DBVT specification of -40°C ~ 125°C (TJ). Applications requiring junction temperatures above 85°C ambient require thermal analysis to confirm compatibility.

Frequently Asked Questions (FAQ)

Q: Can TPS2061DBVR directly replace TPS2065DBVT without circuit modification? A: Yes. TPS2061DBVR maintains identical electrical specifications including N-channel output topology, 1A maximum output current, 70mOhm on-resistance, 2.7V ~ 5.5V load voltage range, and equivalent fault protection (Current Limiting, Over Temperature, UVLO). The primary difference is product status (Active vs. Obsolete) and packaging format. No circuit modification is required.

Q: What is the difference between TPS2061DBVR and TPS2061DBVT? A: Both parts are electrically identical. The difference is packaging configuration: TPS2061DBVR is supplied in Cut Tape (CT) & Digi-Reel® format with 6400 pcs inventory, while TPS2061DBVT is supplied in Tape & Reel (TR) format with 2141 pcs inventory. Selection depends on assembly equipment compatibility and procurement volume requirements.

Q: Why are onsemi NCP380 parts listed as substitutes if they use P-channel topology? A: The NCP380 series provides functional equivalence for applications where P-channel switching is acceptable. These parts maintain the same 1:1 input:output ratio, high-side configuration, on/off interface, non-inverting input logic, and equivalent on-resistance (70mOhm). P-channel topology requires inverted gate drive logic compared to N-channel designs. Circuit redesign is necessary for NCP380 substitution.

Q: What is the current limitation difference between NCP380HSN05AAT1G and NCP380HSN10AAT1G? A: NCP380HSN05AAT1G is rated for 500mA maximum output current, while NCP380HSN10AAT1G is rated for 1A maximum output current. Both maintain identical 70mOhm on-resistance and equivalent fault protection. NCP380HSN10AAT1G is the appropriate selection for applications requiring 1A output current matching the original TPS2065DBVT specification.

Q: What is the difference between NCP380HSN10AAT1G and NCP380LSN05AAT1G? A: Both parts are P-channel switches with identical electrical specifications except for output current rating (1A vs. 500mA). The primary difference is the Enable Input logic: NCP380HSN10AAT1G features Enable Input High logic, while NCP380LSN05AAT1G features Enable Input Low logic. This affects gate drive signal polarity requirements in circuit implementation.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (TPS2061DBVR, TPS2061DBVT, TPS2065DBVR, NCP380HSN05AAT1G, NCP380HSN10AAT1G, NCP380LSN05AAT1G) are ROHS3 Compliant with MSL 1 (Unlimited) rating, matching the original TPS2065DBVT compliance status.

Q: What is the operating temperature difference between TPS2065DBVT and NCP380 series? A: TPS2065DBVT operates to -40°C ~ 125°C (junction temperature), while NCP380 series components operate to -40°C ~ 85°C (ambient temperature). For applications with sustained high-temperature operation, thermal analysis is required to confirm NCP380 compatibility, as junction temperature may exceed the 85°C ambient specification under load conditions.

Q: Can I use TPS2065DBVR as a direct replacement for TPS2065DBVT? A: Yes. TPS2065DBVR is electrically identical to TPS2065DBVT with the same N-channel topology, 1A output current, and fault protection features. The difference is product status (Active vs. Obsolete) and packaging format (Cut Tape vs. original Cut Tape & Digi-Reel®). TPS2065DBVR has significantly higher inventory availability (38350 pcs vs. 2050 pcs).