TPS70358PWPRG4 Equivalent & Substitute Parts

Part Overview

The TPS70358PWPRG4 is a linear voltage regulator IC from Texas Instruments designed for power management applications. It provides dual positive fixed outputs at 3.3V and 2.5V with output currents of 1A and 2A respectively. The device integrates multiple protection features including over-current, over-temperature, reverse polarity, and under-voltage lockout protection, making it suitable for applications requiring regulated dual-rail power supplies.

The TPS70358PWPRG4 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications utilizing this regulator.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Output Configuration	Positive
Number of Regulators	2
Voltage - Output (Min/Fixed)	3.3V, 2.5V
Voltage - Input (Max)	6V
Current - Output	1A, 2A
Voltage Dropout (Max)	0.25V @ 1A
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
Mounting Type	Surface Mount
Package / Case	24-PowerTSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2 (1 Year)

Substitute Part Grouping Explanation

The TPS70458PWPR qualifies as a parametric equivalent to the TPS70358PWPRG4 based on the following substitution criteria:

Electrical Parameters Match:

Identical output configuration (Positive, Fixed)
Identical number of regulators (2)
Identical output voltages (3.3V, 2.5V)
Identical maximum input voltage (6V)
Identical output currents (1A, 2A)
Identical maximum dropout voltage (0.25V @ 1A)
Identical quiescent current (250 µA)
Identical PSRR specifications (65dB at 1kHz, 60dB at 1kHz)
Identical control features (Enable, Power Good, Reset, Sequencing)
Identical protection features (Over Current, Over Temperature, Reverse Polarity, UVLO)
Identical operating temperature range (-40°C ~ 125°C)

Mechanical Parameters Match:

Identical mounting type (Surface Mount)
Identical package type (24-PowerTSSOP)
Identical package dimensions (0.173", 4.40mm Width)

Compliance Parameters Match:

Identical RoHS status (ROHS3 Compliant)
Identical MSL rating (2, 1 Year)
Identical REACH status (REACH Unaffected)

Parameter Comparison

Parameter	TPS70358PWPRG4	TPS70458PWPR	Match
Manufacturer	Texas Instruments	Texas Instruments	✓
Output Configuration	Positive	Positive	✓
Number of Regulators	2	2	✓
Voltage - Output (Min/Fixed)	3.3V, 2.5V	3.3V, 2.5V	✓
Voltage - Input (Max)	6V	6V	✓
Current - Output	1A, 2A	1A, 2A	✓
Voltage Dropout (Max)	0.25V @ 1A	0.25V @ 1A	✓
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	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	24-PowerTSSOP (0.173", 4.40mm Width)	24-PowerTSSOP (0.173", 4.40mm Width)	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	2 (1 Year)	2 (1 Year)	✓
Product Status	Discontinued at DiGi Electronics	Active	Substitute Available

Engineering Selection Recommendations

The TPS70458PWPR is a direct parametric equivalent to the TPS70358PWPRG4 for applications requiring dual-output linear voltage regulation at 3.3V and 2.5V. All electrical, mechanical, and compliance specifications are identical between the two devices.

The primary distinction is product status: the TPS70358PWPRG4 is discontinued at DiGi Electronics, while the TPS70458PWPR maintains active status with current inventory availability (955 Pcs New Original In Stock). Both devices maintain ROHS3 compliance and identical MSL ratings, ensuring regulatory and environmental compatibility.

The TPS70458PWPR is suitable for direct substitution in applications currently utilizing the TPS70358PWPRG4, provided that the packaging format (Tape & Reel for TPS70458PWPR versus the original packaging for TPS70358PWPRG4) is compatible with procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can the TPS70458PWPR replace the TPS70358PWPRG4 in existing designs?

A: Yes. The TPS70458PWPR is a parametric equivalent with identical electrical specifications, output voltages (3.3V and 2.5V), output currents (1A and 2A), protection features, control features, and package dimensions. No circuit modifications are required.

Q: Are there differences in packaging between these parts?

A: Both devices use the 24-PowerTSSOP package with identical dimensions (0.173", 4.40mm Width). The primary packaging difference is that TPS70458PWPR is supplied in Tape & Reel format, while TPS70358PWPRG4 may have different packaging. Verify packaging compatibility with your assembly process.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the TPS70358PWPRG4 and TPS70458PWPR are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings (2, 1 Year). They meet the same environmental and regulatory requirements.

Q: What is the key reason for substitution?

A: The TPS70358PWPRG4 is discontinued at DiGi Electronics. The TPS70458PWPR provides identical functionality and specifications while maintaining active product status and current inventory availability.

Q: Are the control and protection features identical?

A: Yes. Both devices include identical control features (Enable, Power Good, Reset, Sequencing) and protection features (Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout). Functional behavior in applications is equivalent.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message