TPS2056ADR Equivalent & Substitute Parts

Part Overview

The TPS2056ADR is a Power Management Integrated Circuit (PMIC) manufactured by Texas Instruments, classified as a Power Switch/Driver with 1:2 input-to-output ratio configuration. This N-Channel high-side switch operates at 250mA maximum output current and is housed in an 8-SOIC surface mount package. The device is currently Active in product status with 6163 units in stock inventory.

Equivalent and substitute parts are identified when design requirements allow flexibility in output configuration, channel type, current rating, or input logic while maintaining core electrical and mechanical compatibility within the 8-SOIC package family.

Key Parameters

Parameter	TPS2056ADR
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Package Type	8-SOIC (0.154", 3.90mm Width)
Number of Outputs	2
Ratio - Input:Output	1:2
Output Type	N-Channel
Output Configuration	High Side
Voltage - Load	2.7V ~ 5.5V
Current - Output (Max)	250mA
Rds On (Typ)	80mOhm
Input Type	Non-Inverting
Fault Protection	Current Limiting (Fixed), Over Temperature, UVLO
Operating Temperature	0°C ~ 85°C (TA)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the TPS2056ADR are categorized based on the following substitution criteria:

Primary Substitution Parameters:

Package compatibility: 8-SOIC form factor
Output configuration: High-side switching
Load voltage range: 2.7V ~ 5.5V
Fault protection: Current limiting, over-temperature, UVLO
Surface mount technology
RoHS3 compliance and MSL-1 rating

Allowed Variations:

Number of outputs (1:1 or 1:2 ratio)
Output channel type (N-Channel or P-Channel)
Maximum output current (250mA to 1.5A)
Input logic type (Inverting or Non-Inverting)
Operating temperature range (0°C ~ 85°C or -40°C ~ 85°C)
Additional features (Status Flag, Slew Rate Control)

Excluded Variations:

Package type changes outside 8-SOIC family
Load voltage range deviations
Removal of required fault protection mechanisms

Parameter Comparison

Part Number	Manufacturer	Number of Outputs	Ratio	Output Type	Current (Max)	Rds On (Typ)	Input Type	Operating Temp	Product Status
TPS2056ADR	Texas Instruments	2	1:2	N-Channel	250mA	80mOhm	Non-Inverting	0°C ~ 85°C	Active
TPS2045ADR	Texas Instruments	1	1:1	N-Channel	250mA	80mOhm	Inverting	0°C ~ 85°C	Active
TPS2046ADR	Texas Instruments	2	1:1	N-Channel	250mA	80mOhm	Inverting	0°C ~ 85°C	Discontinued at DiGi Electronics
TPS2055ADR	Texas Instruments	1	1:1	N-Channel	250mA	80mOhm	Non-Inverting	0°C ~ 85°C	Active
TPS2090DR	Texas Instruments	2	1:1	N-Channel	250mA	80mOhm	Non-Inverting	0°C ~ 125°C	Active
TPS2092DR	Texas Instruments	2	1:1	N-Channel	250mA	80mOhm	Non-Inverting	0°C ~ 125°C	Active
AP2152SG-13	Diodes Incorporated	2	1:2	P-Channel	500mA	120mOhm	Non-Inverting	-40°C ~ 85°C	Active
AP2192SG-13	Diodes Incorporated	2	1:2	P-Channel	1.5A	120mOhm	Non-Inverting	-40°C ~ 85°C	Active
BD2066FJ-LBE2	Rohm Semiconductor	2	1:2	N-Channel	1.5A	80mOhm	Non-Inverting	-40°C ~ 85°C	Active

Engineering Selection Recommendations

Texas Instruments N-Channel Series (TPS2045ADR, TPS2046ADR, TPS2055ADR, TPS2090DR, TPS2092DR): All Texas Instruments alternatives maintain identical load voltage range (2.7V ~ 5.5V), fault protection architecture, and RoHS3 compliance. Selection within this series depends on output count requirements (1 or 2 outputs) and input logic polarity (Inverting or Non-Inverting). TPS2090DR and TPS2092DR extend operating temperature to 0°C ~ 125°C and include Status Flag functionality. TPS2046ADR is discontinued at DiGi Electronics and should not be selected for new designs.

Diodes Incorporated P-Channel Series (AP2152SG-13, AP2192SG-13): These parts provide higher current capability (500mA and 1.5A respectively) with P-Channel output configuration. Both maintain the 1:2 output ratio and non-inverting input logic. Extended operating temperature range (-40°C ~ 85°C) and Status Flag features are included. P-Channel topology requires circuit redesign compared to N-Channel alternatives.

Rohm Semiconductor (BD2066FJ-LBE2): This N-Channel device matches the 1:2 output ratio and non-inverting input logic of the TPS2056ADR while providing 1.5A maximum output current. Extended operating temperature (-40°C ~ 85°C), slew rate control, and Status Flag features are included. Package designation is 8-SOP-J, which is mechanically compatible with 8-SOIC footprints.

Product Status Consideration: All recommended alternatives are Active in product status except TPS2046ADR, which is discontinued at DiGi Electronics and unsuitable for new designs.

Frequently Asked Questions (FAQ)

Q: Can TPS2045ADR replace TPS2056ADR directly? A: TPS2045ADR is functionally compatible within the same electrical specifications but provides only 1 output instead of 2. Circuit redesign is required if dual-output functionality is essential. Input logic is Inverting rather than Non-Inverting.

Q: What is the difference between N-Channel and P-Channel alternatives? A: N-Channel devices (TPS2056ADR, TPS2045ADR, TPS2046ADR, TPS2055ADR, TPS2090DR, TPS2092DR, BD2066FJ-LBE2) and P-Channel devices (AP2152SG-13, AP2192SG-13) require different circuit topologies. P-Channel switches control the high side of the load differently than N-Channel switches. Selection depends on circuit architecture requirements.

Q: Are TPS2090DR and TPS2092DR suitable replacements? A: Yes. Both devices maintain identical electrical specifications to TPS2056ADR (250mA output, 80mOhm Rds On, 1:2 output ratio, non-inverting input) while extending operating temperature to 0°C ~ 125°C and adding Status Flag functionality. No circuit modifications are required.

Q: Can I use AP2192SG-13 instead of TPS2056ADR? A: AP2192SG-13 is electrically compatible in terms of output ratio (1:2), input logic (non-inverting), and load voltage range (2.7V ~ 5.5V). However, it uses P-Channel output configuration instead of N-Channel, requires different circuit topology, and provides higher current capability (1.5A vs. 250mA). Circuit redesign is necessary.

Q: Is package compatibility guaranteed between 8-SOIC and 8-SOP variants? A: 8-SOIC and 8-SOP packages are mechanically compatible for PCB footprint purposes. Both are 0.154" (3.90mm) width surface mount packages. Pin assignments must be verified against individual datasheets before substitution.

Q: Why is TPS2046ADR listed if it is discontinued? A: TPS2046ADR is included for reference purposes only. It is discontinued at DiGi Electronics and should not be selected for new designs. Active alternatives with equivalent specifications are available.

Q: What does the 1:2 ratio mean? A: The 1:2 ratio indicates one input control signal manages two independent output switches. This allows dual-channel switching from a single control input.

Q: Are all alternatives RoHS3 compliant? A: Yes. All listed alternatives maintain RoHS3 compliance and MSL-1 (Unlimited) moisture sensitivity rating, matching the TPS2056ADR environmental and regulatory specifications.

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