TDA21471 Equivalent & Substitute Parts

Part Overview

The TDA21471 is a Power Management Integrated Circuit (PMIC) controller manufactured by Infineon Technologies, classified as an IC Controller for voltage regulator applications. The main part number TDA21471 is currently listed as obsolete, with 15,307 units available in inventory. Due to its obsolete status, identifying active equivalent parts is essential for ongoing design support, production continuity, and long-term component availability.

Substiute Parts

TDA21471

Infineon TechnologiesIn Stock: 15404TDA21471 Datasheet

Current PartRFQ

TDA21471AUMA1

Infineon TechnologiesIn Stock: 6600TDA21471AUMA1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TDA21471 is determined by the following criteria:

• Manufacturer alignment: Same manufacturer (Infineon Technologies) ensures design continuity and technical support consistency
• Functional category: Power Management (PMIC) classification with IC Controller functionality
• Moisture sensitivity: MSL 1 (Unlimited) rating ensures equivalent handling and storage requirements
• Regulatory compliance: REACH Unaffected status maintains environmental and regulatory alignment
• Base product number: Parts sharing the TDA21471 base designation indicate functional equivalence within the product family

The substitute part TDA21471AUMA1 meets all substitution criteria and is currently in active production status.

Parameter Comparison

Engineering Selection Recommendations

The TDA21471AUMA1 is the direct substitute for the obsolete TDA21471. Selection should be based on the following factors:

• Product status: TDA21471AUMA1 maintains active production status, ensuring long-term availability and manufacturer support
• Regulatory compliance: TDA21471AUMA1 carries ROHS3 Compliant certification, meeting current environmental standards
• Functional equivalence: Both parts share identical category, description, and MSL ratings, confirming direct substitutability
• Inventory availability: Both parts are available in stock, supporting immediate procurement needs

For new designs or production transitions, TDA21471AUMA1 is the appropriate selection due to its active status and enhanced compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can TDA21471AUMA1 directly replace TDA21471 in existing designs?

A: Yes. Both parts are manufactured by Infineon Technologies, share the same base product number, and carry identical MSL and REACH compliance ratings. The TDA21471AUMA1 is the active production equivalent.

Q: What is the difference between TDA21471 and TDA21471AUMA1?

A: The primary difference is product status. TDA21471 is obsolete, while TDA21471AUMA1 is in active production. TDA21471AUMA1 additionally carries ROHS3 Compliant certification. Both parts maintain identical electrical and mechanical specifications for Power Management (PMIC) controller applications.

Q: Are there packaging differences between these parts?

A: Packaging information is not specified in the technical data for either part number. Consult the manufacturer datasheet or contact Infineon Technologies for detailed package specifications.

Q: What is the MSL rating, and why does it matter?

A: Both parts carry MSL 1 (Unlimited), indicating unlimited shelf life under controlled storage conditions. This rating ensures equivalent handling, storage, and moisture protection requirements across both part numbers.

Q: Is TDA21471AUMA1 REACH compliant?

A: Yes. TDA21471AUMA1 carries REACH Unaffected status, identical to the original TDA21471, confirming compliance with European environmental regulations.