AUIPS1031STRL Equivalent & Substitute Parts

Part Overview

The AUIPS1031STRL is a Power Management Integrated Circuit (PMIC) manufactured by Infineon Technologies, classified as a Power Switch/Driver with 1:1 N-Channel configuration rated for 3.3A output current. The device features a D2PAK (TO-263-3) surface mount package and is designed for low-side switching applications with on/off control interface. This part carries an Obsolete product status, making identification of functionally equivalent alternatives essential for ongoing system support and procurement planning.

Substiute Parts

AUIPS1031STRL

Infineon TechnologiesIn Stock: 1158AUIPS1031STRL Datasheet

Current PartRFQ

BTS117TCBUMA1

Infineon TechnologiesIn Stock: 20255BTS117TCBUMA1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AUIPS1031STRL is determined by strict alignment of the following critical parameters:

Mandatory Matching Criteria:

• Switch Type: General Purpose N-Channel low-side configuration
• Output Configuration: Low Side
• Output Type: N-Channel
• Number of Outputs: 1
• Ratio - Input:Output: 1:1
• Interface: On/Off control
• Input Type: Non-Inverting
• Package / Case: TO-263-3 (D2PAK) physical compatibility
• Mounting Type: Surface Mount

Performance Parameters (Minimum Requirements):

• Current - Output (Max): Must support ≥3.3A
• Voltage - Load (Max): Must support ≥36V
• Operating Temperature Range: Must cover -40°C ~ 150°C (TJ)
• Fault Protection: Must include Current Limiting and Over Temperature protection

The BTS117TCBUMA1 qualifies as a direct substitute based on these criteria. It maintains identical functional topology, package form factor, and exceeds the minimum performance specifications of the original part.

Parameter Comparison

Engineering Selection Recommendations

The BTS117TCBUMA1 is the manufacturer-recommended substitute for the AUIPS1031STRL. Both devices share identical functional architecture and package form factor, ensuring direct pin-compatible replacement without circuit board modifications.

Substitution Advantages:

• Identical TO-263-3 (D2PAK) package enables direct PCB compatibility
• Exceeds voltage rating (60V vs. 36V) and current rating (3.5A vs. 3.3A)
• Enhanced fault protection includes Over Voltage detection in addition to Current Limiting and Over Temperature
• ROHS3 compliance certification provided for the substitute part
• Both parts maintain -40°C ~ 150°C operating temperature range

Consideration for Obsolete Status: Both the original part and its substitute carry Obsolete product status. For long-term system support, evaluate the secondary substitute chain provided for BTS117TCBUMA1 (VNB35NV04TR-E, VNB35N07TR-E, VNB20N07TR-E, VNB10N07TR-E, VNB14NV04TR-E) to establish extended availability pathways.

Frequently Asked Questions (FAQ)

Q: Can the BTS117TCBUMA1 be used as a direct replacement for AUIPS1031STRL without PCB modifications?

A: Yes. Both devices use the TO-263-3 (D2PAK) package with identical pinout and lead configuration. No circuit board layout changes are required for substitution.

Q: What are the key differences between these two parts?

A: The BTS117TCBUMA1 provides enhanced specifications: maximum load voltage increases from 36V to 60V, output current increases from 3.3A to 3.5A, and fault protection adds Over Voltage detection. The on-resistance (Rds On) is higher at 80mOhm versus 40mOhm in the original part.

Q: Does the higher Rds On value of the substitute affect circuit performance?

A: Rds On determines conduction losses. The BTS117TCBUMA1's 80mOhm specification must be evaluated against your specific load current and thermal design requirements. Higher on-resistance results in increased power dissipation.

Q: Are both parts suitable for automotive applications?

A: The AUIPS1031STRL carries Automotive grade with AEC-Q100 qualification. The BTS117TCBUMA1 does not specify automotive qualification in the provided data. Verify automotive compliance requirements for your application before substitution.

Q: What is the significance of the different Moisture Sensitivity Levels (MSL)?

A: AUIPS1031STRL has MSL 1 (Unlimited shelf life), while BTS117TCBUMA1 has MSL 3 (168 hours maximum). MSL 3 requires controlled storage conditions and baking procedures before reflow soldering. Verify your supply chain and manufacturing processes can accommodate MSL 3 handling requirements.

Q: Why are both parts listed as Obsolete?

A: Obsolete status indicates these parts are no longer in active production. The manufacturer-recommended substitute relationship ensures continued availability through existing inventory channels. For future designs, evaluate the secondary substitute chain provided for BTS117TCBUMA1.