TLE4254GSXUMA2 Equivalent & Substitute Parts

Part Overview

The TLE4254GSXUMA2 is a linear voltage regulator IC from Infineon Technologies' OPTIREG™ series, designed for positive adjustable output applications with 70mA current capability. This automotive-grade component (AEC-Q100 qualified) provides regulated power in compact 8-SOIC packaging with integrated protection features including over-temperature, reverse polarity, and short-circuit protection.

The TLE4254GSXUMA2 is currently discontinued at DiGi Electronics. Equivalent substitute parts are available from the same manufacturer with identical electrical and mechanical specifications, ensuring direct functional replacement in existing designs.

Key Parameters

Parameter	Value
Manufacturer	Infineon Technologies
Category	Power Management (PMIC)
Output Configuration	Positive
Output Type	Adjustable
Current - Output	70mA
Voltage - Input (Max)	45V
Voltage Dropout (Max)	0.4V @ 70mA
Current - Quiescent (Iq)	80 µA
PSRR	60dB (100Hz)
Operating Temperature	-40°C ~ 150°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TLE4254GSXUMA2 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Output configuration: Positive
Output type: Adjustable
Current output: 70mA
Maximum input voltage: 45V
Voltage dropout: 0.4V @ 70mA
Quiescent current: 80 µA
PSRR: 60dB (100Hz)
Protection features: Over Temperature, Reverse Polarity, Short Circuit
Control features: Enable

Mechanical & Compliance Requirements:

Package type: 8-SOIC (0.154", 3.90mm Width)
Mounting type: Surface Mount
Automotive grade with AEC-Q100 qualification
ROHS3 compliance
Operating temperature range: -40°C ~ 150°C

All substitute parts listed maintain identical electrical performance and mechanical compatibility, differing only in product status (active vs. discontinued) and packaging format (tape/reel availability).

Parameter Comparison

Parameter	TLE4254GSXUMA2	TLE4254GAXUMA4	TLE4254GSXUMA4
Manufacturer	Infineon Technologies	Infineon Technologies	Infineon Technologies
Product Status	Discontinued	Active	Active
Output Configuration	Positive	Positive	Positive
Output Type	Adjustable	Adjustable	Adjustable
Current - Output	70mA	70mA	70mA
Voltage - Input (Max)	45V	45V	45V
Voltage Dropout (Max)	0.4V @ 70mA	0.4V @ 70mA	0.4V @ 70mA
Current - Quiescent (Iq)	80 µA	80 µA	80 µA
PSRR	60dB (100Hz)	60dB (100Hz)	60dB (100Hz)
Operating Temperature	-40°C ~ 150°C	-40°C ~ 150°C	-40°C ~ 150°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Grade	Automotive	Automotive	Automotive
Qualification	AEC-Q100	AEC-Q100	AEC-Q100
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)
Packaging Format	Standard	Standard	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

TLE4254GAXUMA4 is the primary substitute for the discontinued TLE4254GSXUMA2. This part maintains active product status with identical electrical specifications and automotive-grade AEC-Q100 qualification. Moisture sensitivity level of 1 (Unlimited) matches the original part, eliminating storage and handling constraints. This variant is suitable for direct replacement in production environments.

TLE4254GSXUMA4 provides an alternative substitute with identical electrical performance and active product status. This part is available in Cut Tape and Digi-Reel® packaging formats, offering supply chain flexibility. The moisture sensitivity level of 3 (168 Hours) requires controlled storage conditions but does not affect electrical or mechanical compatibility. Selection between TLE4254GAXUMA4 and TLE4254GSXUMA4 depends on packaging requirements and inventory management practices.

Both substitutes are ROHS3 compliant and maintain the full automotive qualification (AEC-Q100) required for the original application.

Frequently Asked Questions (FAQ)

Q: Can TLE4254GAXUMA4 and TLE4254GSXUMA4 be used interchangeably with TLE4254GSXUMA2?

A: Yes. Both parts are parametric equivalents with identical electrical specifications (70mA output, 45V maximum input, 0.4V dropout, 60dB PSRR) and mechanical compatibility (8-SOIC package). All three parts are automotive-grade with AEC-Q100 qualification and ROHS3 compliance.

Q: What is the difference between TLE4254GAXUMA4 and TLE4254GSXUMA4?

A: The primary differences are product status and packaging format. TLE4254GAXUMA4 is available in standard packaging with MSL 1 (Unlimited moisture sensitivity). TLE4254GSXUMA4 is available in Cut Tape and Digi-Reel® formats with MSL 3 (168-hour moisture sensitivity). Electrical performance is identical.

Q: Does the moisture sensitivity level (MSL) difference affect circuit performance?

A: No. MSL ratings specify storage and handling requirements, not electrical performance. MSL 1 (Unlimited) allows indefinite storage without moisture control. MSL 3 (168 Hours) requires controlled storage conditions but does not impact electrical characteristics or functionality once soldered.

Q: Are all substitute parts suitable for automotive applications?

A: Yes. All listed parts carry automotive-grade designation with AEC-Q100 qualification, meeting automotive reliability and quality standards.

Q: Can I use TLE4254GSXUMA4 in applications requiring MSL 1 compliance?

A: No. If your application or supply chain requires MSL 1 (Unlimited) moisture sensitivity, use TLE4254GAXUMA4. TLE4254GSXUMA4 with MSL 3 requires controlled storage and handling procedures.

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