AUIPS6031STRL Equivalent & Substitute Parts

Part Overview

The AUIPS6031STRL is a Power Management IC (PMIC) manufactured by Infineon Technologies, specifically a power switch/driver with 1:1 N-Channel configuration rated for 3.1A output current in a D2PAK package. This component is classified as Obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design considerations. The part operates as a high-side N-channel switch with integrated fault protection including current limiting, open load detection, and over-temperature monitoring, suitable for automotive applications with AEC-Q100 qualification.

Substiute Parts

AUIPS6031STRL

Infineon TechnologiesIn Stock: 1934AUIPS6031STRL Datasheet

Current PartRFQ

BTS426L1E3062ABUMA1

Infineon TechnologiesIn Stock: 2235BTS426L1E3062ABUMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AUIPS6031STRL is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Output configuration: High-side N-channel switch with 1:1 ratio
• Package compatibility: TO-263-5 / D2PAK form factor
• Interface type: On/Off control, non-inverting input
• Fault protection architecture: Current limiting, open load detection, over-temperature monitoring
• Operating temperature range: -40°C to 150°C (TJ)
• Automotive qualification: AEC-Q100 grade

Allowable Variation Parameters:

• Maximum output current: Substitute must meet or exceed 3.1A
• Maximum load voltage: Substitute must support up to 36V
• On-resistance (Rds On): Substitute specifications within acceptable thermal and efficiency margins
• Additional protection features: Substitutes may include enhanced protection (over-voltage, UVLO) without compromising base functionality

The BTS426L1E3062ABUMA1 qualifies as a manufacturer-recommended substitute based on matching output configuration, package type, interface characteristics, and automotive-grade qualification, while providing enhanced current capacity and additional fault protection features.

Parameter Comparison

Engineering Selection Recommendations

For Legacy System Support: The BTS426L1E3062ABUMA1 serves as the manufacturer-recommended substitute for AUIPS6031STRL replacement in existing designs. Both components share identical package geometry (TO-263-5 / D2PAK), interface protocol (On/Off non-inverting), and core protection architecture. The substitute provides higher current capacity (5.8A vs. 3.1A), enabling margin in thermal and electrical performance. Load voltage compatibility is maintained within the 5V to 34V range, accommodating the original 36V maximum specification with minimal margin reduction.

Product Status Consideration: Both the original part (Obsolete) and substitute (Not For New Designs) reflect end-of-life status. Selection between these parts for legacy support should prioritize inventory availability and thermal design margins. The substitute's enhanced protection features (over-voltage, UVLO) provide additional system robustness without requiring circuit redesign.

Compliance and Qualification: The original AUIPS6031STRL carries AEC-Q100 automotive qualification. The substitute BTS426L1E3062ABUMA1 does not specify automotive qualification in the provided data. For applications requiring maintained AEC-Q100 compliance, this distinction must be evaluated against system requirements and regulatory obligations.

Frequently Asked Questions (FAQ)

Q: Can BTS426L1E3062ABUMA1 directly replace AUIPS6031STRL without PCB modification?

A: Yes, for pin-compatible applications. Both components use identical TO-263-5 / D2PAK packaging with matching pinout for high-side N-channel switch operation. No PCB layout changes are required. Thermal design should account for the substitute's higher current rating (5.8A vs. 3.1A), which may reduce thermal stress on the component and surrounding circuitry.

Q: What is the voltage compatibility range between these parts?

A: The AUIPS6031STRL supports load voltages to 36V maximum. The BTS426L1E3062ABUMA1 operates within 5V to 34V. For applications requiring operation above 34V, the original part specification must be maintained. For applications within the 5V to 34V window, both parts are compatible.

Q: Are there differences in fault protection between these components?

A: Both parts include current limiting (fixed), open load detection, and over-temperature protection. The substitute adds over-voltage and UVLO (under-voltage lockout) protection. These additional features enhance system reliability without affecting base switch functionality or requiring circuit modifications.

Q: What packaging and moisture sensitivity considerations apply?

A: The AUIPS6031STRL specifies MSL 1 (unlimited moisture exposure). The BTS426L1E3062ABUMA1 specifies MSL 3 (168 hours maximum). For storage and handling, the substitute requires more stringent moisture control. Both components are surface-mount in D2PAK form factor with identical land patterns.

Q: Does the substitute's higher Rds On (50mOhm vs. 46mOhm) affect circuit performance?

A: The 4mOhm difference represents approximately 8.7% increase in on-resistance. For 3.1A operation, this results in approximately 0.05W additional power dissipation. Thermal design margins should be verified for applications operating at maximum current levels.

Q: What is the series designation for the substitute part?

A: The BTS426L1E3062ABUMA1 belongs to the PROFET® series, Infineon's automotive-grade power switch family. The original AUIPS6031STRL does not specify a series designation in the provided data.