TPS70402PWPR Equivalent & Substitute Parts

Part Overview

The TPS70402PWPR is a linear voltage regulator IC from Texas Instruments designed for positive adjustable output applications. This dual-output regulator delivers 1A and 2A output currents with adjustable voltage ranging from 1.22V to 5.5V. The device is currently in active production status with 3148 units in stock. Finding equivalent and substitute parts is necessary when addressing supply chain constraints, inventory optimization, or design flexibility requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

TPS70402PWPR
Texas InstrumentsIn Stock: 3208TPS70402PWPR Datasheet
TPS70402PWPR
Current Part
TPS70302PWPR
Texas InstrumentsIn Stock: 10263TPS70302PWPR Datasheet
TPS70302PWPR
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number TPS70402PWPR
Manufacturer Texas Instruments
Category Power Management (PMIC)
Output Configuration Positive
Output Type Adjustable
Number of Regulators 2
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 1.22V
Voltage - Output (Max) 5.5V
Voltage Dropout (Max) 0.25V @ 1A
Current - Output 1A, 2A
Current - Quiescent (Iq) 250 µA
PSRR 65dB (1kHz), 60dB (1kHz)
Control Features Enable, Power Good, Reset, Sequencing
Protection Features Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C
Package / Case 24-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)

Substitute Part Grouping Explanation

Substitution of the TPS70402PWPR is determined by strict equivalence across the following critical parameters:

  • Output configuration (Positive)
  • Output type (Adjustable)
  • Number of regulators (2)
  • Voltage specifications: Input Max 6V, Output Min 1.22V, Output Max 5.5V
  • Current delivery: 1A and 2A outputs
  • Dropout voltage: 0.25V @ 1A
  • Control and protection features: Enable, Power Good, Reset, Sequencing, Over Current, Over Temperature, Reverse Polarity, UVLO
  • Package type: 24-PowerTSSOP
  • Operating temperature range: -40°C ~ 125°C
  • Compliance: ROHS3, MSL 2

The TPS70302PWPR meets all these criteria and qualifies as a parametric equivalent substitute.

Parameter Comparison

Parameter TPS70402PWPR TPS70302PWPR
Manufacturer Texas Instruments Texas Instruments
Output Configuration Positive Positive
Output Type Adjustable Adjustable
Number of Regulators 2 2
Voltage - Input (Max) 6V 6V
Voltage - Output (Min/Fixed) 1.22V 1.22V
Voltage - Output (Max) 5.5V 5.5V
Voltage Dropout (Max) 0.25V @ 1A 0.25V @ 1A
Current - Output 1A, 2A 1A, 2A
Current - Quiescent (Iq) 250 µA 250 µA
PSRR 65dB (1kHz), 60dB (1kHz) 65dB (1kHz), 60dB (1kHz)
Control Features Enable, Power Good, Reset, Sequencing Enable, Power Good, Reset, Sequencing
Protection Features Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Package / Case 24-PowerTSSOP (0.173", 4.40mm Width) 24-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type Surface Mount Surface Mount
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year) 2 (1 Year)
Product Status Active Last Time Buy
Inventory 3148 Pcs 10200 Pcs

Engineering Selection Recommendations

The TPS70402PWPR is the primary selection for new designs due to its active production status. The TPS70302PWPR is a parametric equivalent with identical electrical and mechanical specifications, offering full functional compatibility. However, the TPS70302PWPR carries a Last Time Buy status, indicating discontinued production. Selection between these parts should prioritize the TPS70402PWPR for ongoing supply assurance. The TPS70302PWPR remains suitable for applications where existing inventory is available and long-term supply is not a constraint. Both parts maintain ROHS3 compliance and identical MSL ratings, ensuring equivalent environmental and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the TPS70302PWPR be used as a direct replacement for the TPS70402PWPR?

A: Yes. The TPS70302PWPR is a parametric equivalent with identical electrical specifications, output configuration, current ratings, voltage ranges, control features, protection features, and package type. Direct pin-for-pin and functional substitution is supported.

Q: What is the difference between these two parts?

A: The electrical and mechanical specifications are identical. The primary difference is product status: TPS70402PWPR is in active production, while TPS70302PWPR is Last Time Buy. Inventory levels also differ, with TPS70302PWPR currently showing higher stock availability.

Q: Are the packages identical?

A: Yes. Both parts use the 24-PowerTSSOP package with 0.173" width and 4.40mm dimensions. PCB layout and footprint compatibility is guaranteed.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the TPS70402PWPR and TPS70302PWPR are ROHS3 compliant with MSL 2 (1 Year) moisture sensitivity ratings. Regulatory and environmental compliance is equivalent.

Q: Which part should be selected for a new design?

A: The TPS70402PWPR should be selected for new designs due to active production status, ensuring long-term supply availability and design continuity.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Identical electrical performance, control features, protection mechanisms, and package specifications enable full interchangeability in existing circuit designs without modification.

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