TPS2052BD Equivalent & Substitute Parts

Part Overview

The TPS2052BD is a power management integrated circuit (PMIC) manufactured by Texas Instruments, classified as a power switch/driver with 1:1 N-Channel configuration. This 8-SOIC surface mount device delivers 500mA maximum output current with 70mOhm typical on-resistance, operating across a 2.7V to 5.5V load voltage range. The device features current limiting, over-temperature protection, and under-voltage lockout (UVLO) fault protection.

The TPS2052BD carries Last Time Buy status, indicating discontinued production. Equivalent and substitute parts are necessary to maintain design continuity and ensure long-term component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	TPS2052BD
Category	Power Management (PMIC)
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Switch Type	General Purpose
Number of Outputs	2
Output Type	N-Channel
Output Configuration	High Side
Input Type	Non-Inverting
Voltage - Load	2.7V ~ 5.5V
Current - Output (Max)	500mA
Rds On (Typ)	70mOhm
Fault Protection	Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution eligibility for the TPS2052BD is determined by the following critical parameters:

Primary Substitution Criteria:

Output Type: N-Channel (required for direct functional replacement)
Number of Outputs: 2 (required for dual-output applications)
Output Configuration: High Side
Input Type: Non-Inverting (required for control signal compatibility)
Voltage - Load: 2.7V ~ 5.5V (must support full range)
Current - Output (Max): Minimum 500mA (equal or greater)
Rds On (Typ): 70mOhm or lower (lower resistance preferred for thermal performance)
Package Type: 8-SOIC compatible footprint
Fault Protection: Current Limiting, Over Temperature, UVLO (minimum required set)

Secondary Substitution Criteria (Acceptable Variations):

Packaging format (Tube, Cut Tape, Tape & Reel) does not affect electrical function
Product Status: Active parts preferred over Last Time Buy for long-term availability
Operating Temperature range: -40°C ~ 85°C is standard; narrower ranges acceptable if application permits

Non-Substitutable Variations:

Output Type: P-Channel devices are functionally incompatible
Input Type: Inverting logic requires circuit redesign
Number of Outputs: Single-output (1:1) devices require different PCB layout
Current rating below 500mA is insufficient

Substitute parts are grouped into three categories: Direct Manufacturer Equivalents (same base part number, different packaging or temperature grade), Parametric Equivalents (same electrical function, different input logic or output count), and Cross-Manufacturer Alternatives (different manufacturers, equivalent electrical specifications).

Parameter Comparison

Part Number	Manufacturer	Output Type	Number of Outputs	Input Type	Current (Max)	Rds On (Typ)	Package	Product Status	Operating Temp
TPS2052BD	Texas Instruments	N-Channel	2	Non-Inverting	500mA	70mOhm	8-SOIC	Last Time Buy	-40°C ~ 85°C
TPS2052D	Texas Instruments	N-Channel	2	Non-Inverting	500mA	80mOhm	8-SOIC	Active	-40°C ~ 85°C
TPS2052BDR	Texas Instruments	N-Channel	2	Non-Inverting	500mA	70mOhm	8-SOIC	Active	-40°C ~ 85°C
TPS2052AD	Texas Instruments	N-Channel	2	Non-Inverting	500mA	80mOhm	8-SOIC	Active	0°C ~ 85°C
TPS2042BD	Texas Instruments	N-Channel	1	Inverting	500mA	70mOhm	8-SOIC	Active	-40°C ~ 85°C
TPS2051BD	Texas Instruments	N-Channel	1	Non-Inverting	500mA	70mOhm	8-SOIC	Active	-40°C ~ 85°C
TPS2041BD	Texas Instruments	N-Channel	1	Inverting	500mA	70mOhm	8-SOIC	Active	-40°C ~ 85°C
BD2066FJ-LBE2	Rohm Semiconductor	N-Channel	2	Non-Inverting	1.5A	80mOhm	8-SOP-J	Active	-40°C ~ 85°C
AP2152SG-13	Diodes Incorporated	P-Channel	2	Non-Inverting	500mA	120mOhm	8-SOP	Active	-40°C ~ 85°C
AP2192SG-13	Diodes Incorporated	P-Channel	2	Non-Inverting	1.5A	120mOhm	8-SOP	Active	-40°C ~ 85°C
NCP382HD05AAR2G	onsemi	P-Channel	2	Non-Inverting	500mA	80mOhm	8-SOIC	Active	-40°C ~ 85°C

Engineering Selection Recommendations

Tier 1: Direct Electrical Equivalents (Recommended Primary Substitutes)

TPS2052BDR and TPS2052D are the preferred substitutes for the TPS2052BD. Both maintain identical electrical specifications (N-Channel, 2 outputs, non-inverting input, 500mA current rating, 8-SOIC package) and are manufactured by Texas Instruments with Active product status. TPS2052BDR is supplied in Cut Tape & Digi-Reel packaging with 4,425 units in stock, while TPS2052D is supplied in standard packaging with 1,900 units available. Both are ROHS3 compliant and carry MSL 1 rating. The primary difference is on-resistance: TPS2052BDR maintains 70mOhm (matching the original), while TPS2052D specifies 80mOhm. For thermal-sensitive applications, TPS2052BDR is preferred.

TPS2052AD is an alternative with identical electrical function but narrower operating temperature range (0°C ~ 85°C versus -40°C ~ 85°C). This part is suitable only for applications not requiring extended low-temperature operation.

Tier 2: Parametric Equivalents (Functional Alternatives with Design Considerations)

TPS2051BD and TPS2041BD are single-output (1:1) variants of the TPS2052 family. These parts maintain identical electrical performance but provide only one output channel instead of two. Selection requires PCB layout modification and is appropriate only when dual-output functionality is not required.

TPS2042BD is a single-output inverting variant. This part requires input signal inversion in the control circuit and is suitable only for applications where inverting logic is acceptable.

Tier 3: Cross-Manufacturer Alternatives (Extended Current Capability)

BD2066FJ-LBE2 (Rohm Semiconductor) provides dual N-Channel output with 1.5A maximum current (versus 500mA), making it suitable for higher-current applications. The 8-SOP-J package is footprint-compatible with 8-SOIC. On-resistance is 80mOhm. This part includes slew rate control and status flag features not present in the TPS2052BD. Product status is Active with 4,040 units in stock.

Tier 4: P-Channel Alternatives (Functional Incompatibility)

AP2152SG-13, AP2192SG-13, and NCP382HD05AAR2G are P-Channel devices and are not direct substitutes for the N-Channel TPS2052BD. These parts require circuit redesign and are listed only for reference in applications where P-Channel switching is acceptable. AP2192SG-13 offers 1.5A current capability with extensive inventory (82,800 units).

Compliance and Availability:

All recommended substitutes maintain ROHS3 compliance and MSL 1 rating. Texas Instruments parts (TPS2052BDR, TPS2052D, TPS2052AD) carry Active product status, ensuring long-term availability. Cross-manufacturer alternatives (BD2066FJ-LBE2) also carry Active status. Inventory levels are adequate across all Tier 1 and Tier 2 recommendations.

Frequently Asked Questions (FAQ)

Q: Can TPS2052D replace TPS2052BD directly without circuit modification?

A: Yes, with thermal performance consideration. TPS2052D is electrically equivalent with identical package, voltage range, current rating, and protection features. The only difference is on-resistance: 80mOhm versus 70mOhm. In applications where thermal dissipation is not critical, this 10mOhm increase is acceptable. For thermally constrained designs, TPS2052BDR (70mOhm) is preferred.

Q: Why are TPS2051BD and TPS2041BD listed as substitutes if they have only one output?

A: These parts are parametric equivalents, not direct substitutes. They are listed for applications where dual-output functionality is not required. If your design uses only one output channel of the TPS2052BD, these single-output variants reduce component cost and PCB area. However, circuit redesign is necessary.

Q: Can I use AP2192SG-13 (P-Channel) instead of TPS2052BD (N-Channel)?

A: No. P-Channel and N-Channel devices have opposite switching logic and require different circuit topologies. Using AP2192SG-13 requires complete redesign of the control circuit and power delivery network. This is not a drop-in replacement.

Q: What is the difference between TPS2052BD and TPS2052BDR?

A: Both parts are electrically identical with 70mOhm on-resistance and identical electrical specifications. The difference is packaging format: TPS2052BD is supplied in Tube packaging, while TPS2052BDR is supplied in Cut Tape & Digi-Reel format. TPS2052BDR is recommended for high-volume production due to reel compatibility with automated assembly equipment.

Q: Is BD2066FJ-LBE2 a direct replacement for TPS2052BD?

A: BD2066FJ-LBE2 is a functional alternative, not a direct replacement. It maintains N-Channel dual-output configuration and non-inverting input logic, but increases current capability to 1.5A (versus 500mA). The 8-SOP-J package is footprint-compatible with 8-SOIC. Additional features include slew rate control and status flag output. Use this part only if higher current capability is required or if these additional features are beneficial.

Q: What is the operating temperature difference between TPS2052AD and TPS2052BD?

A: TPS2052AD operates from 0°C to 85°C, while TPS2052BD operates from -40°C to 85°C. TPS2052AD is suitable only for applications that do not require extended low-temperature operation. For designs requiring full -40°C to 85°C range, use TPS2052BDR or TPS2052D.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in this reference maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing processes and long-term storage requirements.

Q: Which substitute has the best inventory availability?

A: AP2192SG-13 has the highest inventory level at 82,800 units. However, this is a P-Channel device and not a direct substitute. Among direct N-Channel equivalents, TPS2052BDR has the highest inventory at 4,425 units, followed by TPS2052AD at 3,236 units.

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