TPS2052D Equivalent & Substitute Parts

Part Overview

The TPS2052D is an N-Channel power switch/driver IC manufactured by Texas Instruments, designed for general-purpose switching applications. This 8-SOIC surface-mount device delivers 500mA output current with a 1:2 input-to-output ratio and non-inverting logic control. The device operates across a 2.7V to 5.5V load voltage range and includes integrated fault protection featuring current limiting, over-temperature shutdown, and under-voltage lockout (UVLO).

The TPS2052D maintains Active product status with 1900 units in current inventory. Equivalent and substitute parts are identified to address component availability, design flexibility, and application-specific requirements such as output current capacity, channel configuration, and logic polarity.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Part Number	TPS2052D
Category	Power Management (PMIC)
Package	8-SOIC (0.154", 3.90mm Width)
Switch Type	General Purpose
Number of Outputs	2
Output Type	N-Channel
Input Type	Non-Inverting
Voltage - Load	2.7V ~ 5.5V
Current - Output (Max)	500mA
Rds On (Typ)	80mOhm
Fault Protection	Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the TPS2052D is determined by the following critical parameters:

Primary Substitution Criteria:

Output Type (N-Channel vs. P-Channel)
Number of Outputs (1 vs. 2)
Input Type (Non-Inverting vs. Inverting)
Current - Output (Max): 500mA minimum
Voltage - Load: 2.7V ~ 5.5V compatibility
Package: 8-SOIC form factor
Fault Protection: Current Limiting, Over Temperature, UVLO

Substitution Categories:

Direct Equivalents (Identical Electrical Function): Parts with matching output type, output count, input polarity, and current rating within the same package family.

Parametric Equivalents (Functional Compatibility with Design Considerations): Parts with different input polarity or output configuration that maintain electrical compatibility but require circuit design verification.

Manufacturer Recommended Alternatives (Enhanced Specifications): Parts with higher current capacity or additional features that provide functional superset capability.

Parameter Comparison

Part Number	Manufacturer	Output Type	Number of Outputs	Input Type	Current - Output (Max)	Rds On (Typ)	Product Status	Inventory
TPS2052D	Texas Instruments	N-Channel	2	Non-Inverting	500mA	80mOhm	Active	1900 Pcs
TPS2052BD	Texas Instruments	N-Channel	2	Non-Inverting	500mA	70mOhm	Last Time Buy	3507 Pcs
TPS2042D	Texas Instruments	N-Channel	2	Inverting	500mA	80mOhm	Active	2000 Pcs
TPS2042BD	Texas Instruments	N-Channel	2	Inverting	500mA	70mOhm	Active	2000 Pcs
TPS2051D	Texas Instruments	N-Channel	1	Non-Inverting	500mA	80mOhm	Active	1900 Pcs
TPS2051BD	Texas Instruments	N-Channel	1	Non-Inverting	500mA	70mOhm	Active	2200 Pcs
TPS2041D	Texas Instruments	N-Channel	1	Inverting	500mA	80mOhm	Active	2250 Pcs
TPS2041BD	Texas Instruments	N-Channel	1	Inverting	500mA	70mOhm	Active	2600 Pcs
AP2152SG-13	Diodes Incorporated	P-Channel	2	Non-Inverting	500mA	120mOhm	Active	7654 Pcs
AP2192SG-13	Diodes Incorporated	P-Channel	2	Non-Inverting	1.5A	120mOhm	Active	82800 Pcs
BD2066FJ-LBE2	Rohm Semiconductor	N-Channel	2	Non-Inverting	1.5A	80mOhm	Active	4040 Pcs

Engineering Selection Recommendations

Direct Substitution (No Circuit Modification Required):

TPS2052BD is the direct equivalent with identical electrical specifications. This part maintains Active product status and offers improved on-resistance (70mOhm vs. 80mOhm). Higher inventory availability (3507 units) supports supply chain continuity, though the part carries Last Time Buy status indicating future discontinuation.

Texas Instruments N-Channel Family (Same Manufacturer, Design Verification Required):

TPS2042D and TPS2042BD provide 2-output N-Channel switching with inverting logic control. These parts require circuit design modification to accommodate inverted input polarity. Both maintain Active status with robust inventory levels.

TPS2051D and TPS2051BD deliver single-output N-Channel switching with non-inverting control, suitable for applications requiring reduced output count. TPS2051BD offers improved on-resistance and higher inventory (2200 units).

TPS2041D and TPS2041BD provide single-output N-Channel switching with inverting logic. TPS2041BD combines Active status with the highest inventory availability (2600 units) and improved on-resistance.

Cross-Manufacturer Alternatives (Functional Superset Capability):

AP2192SG-13 (Diodes Incorporated) delivers 1.5A output current with P-Channel topology and non-inverting control. This part requires circuit redesign for P-Channel operation but provides 3x current capacity and exceptional inventory depth (82800 units). Active product status ensures long-term availability.

AP2152SG-13 (Diodes Incorporated) matches the 500mA current specification with P-Channel output and non-inverting control. This part provides functional compatibility with P-Channel circuit topologies and strong inventory support (7654 units).

BD2066FJ-LBE2 (Rohm Semiconductor) maintains N-Channel topology with 1.5A output capacity and non-inverting control. This part preserves circuit compatibility while delivering enhanced current handling. Active status and 4040-unit inventory support production requirements.

Compliance and Regulatory Alignment:

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited moisture sensitivity), and REACH Unaffected status, ensuring regulatory equivalence with the TPS2052D across industrial and consumer applications.

Frequently Asked Questions (FAQ)

Q: Can TPS2052BD replace TPS2052D in existing designs without modification?

A: Yes. TPS2052BD is electrically equivalent with identical output type (N-Channel), output count (2), input polarity (Non-Inverting), voltage range (2.7V ~ 5.5V), and current rating (500mA). The improved on-resistance (70mOhm vs. 80mOhm) provides thermal benefit. Both parts use 8-SOIC packaging with identical pinout.

Q: What is the key difference between TPS2052D and TPS2042D?

A: Input polarity differs. TPS2052D uses Non-Inverting logic (output follows input), while TPS2042D uses Inverting logic (output inverts input state). Both maintain 2-output N-Channel topology, 500mA current, and 8-SOIC packaging. Circuit design modification is required for substitution.

Q: Why would I select AP2192SG-13 over TPS2052D?

A: AP2192SG-13 provides 3x current capacity (1.5A vs. 500mA) with identical voltage range and non-inverting control. This part suits applications requiring higher switching current. The trade-off is P-Channel topology, requiring circuit redesign. Exceptional inventory availability (82800 units) supports high-volume production.

Q: Are P-Channel parts (AP2152SG-13, AP2192SG-13) pin-compatible with TPS2052D?

A: Both parts use 8-SOIC packaging with identical physical dimensions (0.154", 3.90mm width). However, P-Channel topology requires inverted circuit design compared to N-Channel. Pinout compatibility must be verified against specific application schematics.

Q: What is the significance of "Last Time Buy" status for TPS2052BD?

A: Last Time Buy indicates the manufacturer will discontinue this part after current inventory depletes. While 3507 units are currently available, long-term designs should transition to Active-status alternatives such as TPS2052D or cross-manufacturer options like BD2066FJ-LBE2.

Q: Can single-output parts (TPS2051D, TPS2041D) replace the dual-output TPS2052D?

A: No. Single-output parts provide only one switching channel versus two in TPS2052D. These parts suit applications requiring reduced output count. Dual-output functionality cannot be achieved with single-output devices.

Q: Which substitute offers the best thermal performance?

A: TPS2052BD and TPS2042BD both feature 70mOhm on-resistance (vs. 80mOhm in TPS2052D), reducing power dissipation. BD2066FJ-LBE2 maintains 80mOhm on-resistance but handles 1.5A current. Thermal performance depends on application current profile and PCB thermal design.

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