TPS2066ADRBR Equivalent & Substitute Parts

Part Overview

The TPS2066ADRBR is a Power Management IC (PMIC) functioning as a power switch/driver with 1:2 N-Channel output configuration, rated for 1A maximum output current. Manufactured by Texas Instruments, this component operates across a 2.7V to 5.5V load voltage range with integrated fault protection including current limiting, over-temperature monitoring, and UVLO (Under-Voltage Lock-Out). The device is packaged in an 8-SON (3x3) form factor with exposed pad and is designated as Last Time Buy status. Equivalent and substitute parts are necessary to address supply continuity, packaging preferences, and application-specific performance requirements.

Substiute Parts

TPS2066ADRBR

Texas InstrumentsIn Stock: 6038TPS2066ADRBR Datasheet

Current PartRFQ

TPS2066DR

Texas InstrumentsIn Stock: 12782TPS2066DR Datasheet

MFR RecommendedRFQ

TPS2062ADRBR

Texas InstrumentsIn Stock: 4528TPS2062ADRBR Datasheet

Parametric EquivalentRFQ

TPS2062ADRBT

Texas InstrumentsIn Stock: 3808TPS2062ADRBT Datasheet

Parametric EquivalentRFQ

TPS2066ADRBT

Texas InstrumentsIn Stock: 1537TPS2066ADRBT Datasheet

Parametric EquivalentRFQ

AP2152AFGEG-7

Diodes IncorporatedIn Stock: 4428AP2152AFGEG-7 Datasheet

MFR RecommendedRFQ

AP2162AFGEG-7

Diodes IncorporatedIn Stock: 6173AP2162AFGEG-7 Datasheet

MFR RecommendedRFQ

AP2172AFGEG-7

Diodes IncorporatedIn Stock: 5216AP2172AFGEG-7 Datasheet

MFR RecommendedRFQ

AP2182AFGEG-7

Diodes IncorporatedIn Stock: 18050AP2182AFGEG-7 Datasheet

MFR RecommendedRFQ

AP2192AFGEG-7

Diodes IncorporatedIn Stock: 2467AP2192AFGEG-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TPS2066ADRBR is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

• Number of Outputs: 2
• Ratio - Input:Output: 1:2
• Output Configuration: High Side
• Voltage - Load: 2.7V ~ 5.5V
• Current - Output (Max): 1A or greater
• Rds On (Typ): 70mOhm or lower
• Fault Protection: Current Limiting (Fixed), Over Temperature, UVLO
• Interface: On/Off
• Input Type: Non-Inverting
• RoHS Status: ROHS3 Compliant

Packaging Considerations: Substitutes are grouped by package type (8-SON, 8-SOIC, 8-UDFN) and tape format (Tape & Reel, Cut Tape). Package differences require PCB layout verification but do not affect electrical functionality when pin assignments are identical.

Channel Type Variation: The TPS2066ADRBR uses N-Channel output topology. Diodes Incorporated alternatives (AP2152AFGEG-7, AP2162AFGEG-7, AP2172AFGEG-7, AP2182AFGEG-7, AP2192AFGEG-7) employ P-Channel topology. These are functionally equivalent for high-side switching applications but require circuit topology verification due to inverted gate drive logic.

Parameter Comparison

Engineering Selection Recommendations

Texas Instruments N-Channel Alternatives (Direct Topology Match):

TPS2066DR is the primary recommended substitute. It maintains identical electrical specifications (1A output, 70mOhm Rds On, N-Channel topology, -40°C to 125°C operating range) and Active product status. The sole difference is packaging format: 8-SOIC versus 8-VDFN. This substitution requires PCB layout modification but eliminates supply discontinuity risk associated with Last Time Buy status.

TPS2062ADRBR and TPS2062ADRBT are parametrically equivalent to TPS2066ADRBR with identical electrical performance. Both retain Last Time Buy status. TPS2062ADRBR is available in Cut Tape format; TPS2062ADRBT is available in Cut Tape format. TPS2066ADRBT provides the same 8-VDFN package as the primary part in Tape & Reel format.

Diodes Incorporated P-Channel Alternatives (Topology Variation):

AP2162AFGEG-7 and AP2172AFGEG-7 deliver 1A output current with P-Channel topology, matching the TPS2066ADRBR current rating. Both are Active status with 8-UDFN packaging. Operating temperature range is -40°C to 85°C (TA), which is narrower than the TPS2066ADRBR specification. Rds On is 85mOhm versus 70mOhm for the primary part. P-Channel topology requires inverted gate drive logic in circuit design.

AP2182AFGEG-7 and AP2192AFGEG-7 provide 1.5A output current, exceeding the 1A requirement of TPS2066ADRBR. Both are Active status with identical P-Channel topology and 8-UDFN packaging. These are suitable for applications requiring higher current margin.

AP2152AFGEG-7 is rated for 500mA maximum output current, below the 1A specification of TPS2066ADRBR. This part is not suitable for direct substitution in applications requiring full 1A output.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the primary part specifications. All parts are classified under ECCN EAR99 and HTSUS 8542.39.0001.

Frequently Asked Questions (FAQ)

Q: Can TPS2066DR replace TPS2066ADRBR directly on the PCB?

A: TPS2066DR is electrically equivalent but uses 8-SOIC packaging instead of 8-VDFN. Pin assignments are identical, but PCB footprint differs. Layout modification is required. Electrical functionality is unchanged.

Q: What is the difference between N-Channel (TPS2066ADRBR) and P-Channel (AP2162AFGEG-7) alternatives?

A: Both topologies function as high-side switches with identical 1:2 output configuration and 2.7V to 5.5V load voltage range. N-Channel devices require pull-up resistors for gate drive; P-Channel devices require pull-down resistors. Circuit topology must be verified before substitution. Fault protection features (current limiting, over-temperature, UVLO) are present in both.

Q: Why is AP2152AFGEG-7 listed if it only provides 500mA output?

A: AP2152AFGEG-7 meets the 1:2 output ratio, high-side configuration, and voltage range requirements. However, its 500mA maximum output current is insufficient for applications requiring the full 1A specification of TPS2066ADRBR. This part is suitable only for applications with reduced current requirements.

Q: What is the impact of the 85mOhm Rds On in Diodes Incorporated parts versus 70mOhm in Texas Instruments parts?

A: The 15mOhm difference results in increased on-state voltage drop and power dissipation. For a 1A load, the voltage drop increases by approximately 15mV. Thermal performance and power budget must be evaluated for the specific application.

Q: Are there temperature range limitations when substituting with Diodes Incorporated parts?

A: Diodes Incorporated alternatives (AP2152AFGEG-7, AP2162AFGEG-7, AP2172AFGEG-7, AP2182AFGEG-7, AP2192AFGEG-7) operate from -40°C to 85°C (TA), while TPS2066ADRBR operates from -40°C to 125°C (TJ). Applications requiring operation above 85°C ambient temperature cannot use Diodes Incorporated substitutes.

Q: What packaging formats are available for TPS2066ADRBR substitutes?

A: Texas Instruments alternatives are available in 8-VDFN Exposed Pad (TPS2062ADRBR, TPS2062ADRBT, TPS2066ADRBT) and 8-SOIC (TPS2066DR) packages. Diodes Incorporated alternatives are available exclusively in 8-UDFN Exposed Pad package. Package selection depends on PCB layout constraints and manufacturing capabilities.

Q: Can TPS2062ADRBR and TPS2062ADRBT be used interchangeably with TPS2066ADRBR?

A: Yes, from an electrical standpoint. Both parts are parametrically equivalent with identical output current, Rds On, voltage range, and fault protection. The primary difference is packaging format (Cut Tape versus Tape & Reel). Both retain Last Time Buy status, so supply continuity is not improved by this substitution.

Q: What is the significance of "Active" versus "Last Time Buy" product status?

A: Active status indicates ongoing production and long-term availability. Last Time Buy status indicates the manufacturer will cease production; existing inventory represents the final supply. For long-term design continuity, Active status parts (TPS2066DR, AP2162AFGEG-7, AP2172AFGEG-7, AP2182AFGEG-7, AP2192AFGEG-7) are preferred.