TAS5152DKDR Equivalent & Substitute Parts

Part Overview

The TAS5152DKDR is a stereo Class D audio amplifier IC manufactured by Texas Instruments, part of the PurePath Digital™ series. This device delivers 125W per channel at 4Ω load in a 36-HSSOP surface mount package. The TAS5152DKDR is classified as obsolete, making identification of compatible substitute components essential for ongoing design support, production continuity, and system maintenance.

Substiute Parts

TAS5152DKDR

Texas InstrumentsIn Stock: 4368TAS5152DKDR Datasheet

Current PartRFQ

TAS5612LADDVR

Texas InstrumentsIn Stock: 5057TAS5612LADDVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TAS5152DKDR is determined by the following critical parameters:

Output Configuration Compatibility: The substitute must support 2-channel stereo operation to maintain functional equivalence in audio amplification applications.

Power Output Requirements: The substitute must deliver minimum 125W per channel at 4Ω load to meet or exceed the original specification.

Supply Voltage Range: The substitute must operate within or encompass the 10.8V ~ 13.2V supply voltage window of the original device.

Protection Features: The substitute must include short-circuit and thermal protection mechanisms equivalent to the original design.

Digital Input Support: The substitute must feature digital inputs consistent with the original PurePath architecture.

Surface Mount Packaging: The substitute must be available in a surface mount package suitable for PCB integration.

Compliance Standards: The substitute must maintain ROHS3 compliance and equivalent regulatory certifications.

The TAS5612LADDVR qualifies as a manufacturer-recommended substitute based on these criteria, despite differences in package form factor and expanded operational parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The TAS5152DKDR is classified as obsolete. The TAS5612LADDVR is an active product with current manufacturing support from Texas Instruments, ensuring long-term availability and supply chain reliability.

Functional Equivalence: Both devices deliver 125W per channel at 4Ω in stereo configuration, meeting identical power output specifications for audio amplification applications.

Supply Voltage Compatibility: The TAS5612LADDVR operates across an extended voltage range (12V ~ 34V) that encompasses the original device's 10.8V ~ 13.2V specification. Designs operating within the original voltage window will function without modification.

Protection Feature Parity: Both devices incorporate digital inputs, short-circuit protection, thermal protection, and shutdown functionality, ensuring equivalent safety and control characteristics.

Compliance Alignment: Both components maintain ROHS3 compliance and equivalent regulatory certifications (REACH Unaffected, ECCN EAR99, HTSUS 8542.33.0001).

Package Transition: The TAS5612LADDVR uses a 44-HTSSOP package versus the original 36-HSSOP. PCB layout modification is required to accommodate the different pin count and package dimensions.

Moisture Sensitivity: The TAS5612LADDVR has an improved MSL rating of 3 (168 hours) compared to the original MSL 4 (72 hours), providing enhanced handling flexibility during manufacturing and storage.

Frequently Asked Questions (FAQ)

Q: Can the TAS5612LADDVR directly replace the TAS5152DKDR without PCB modification?

A: No. The TAS5612LADDVR uses a 44-HTSSOP package with different pin assignments compared to the 36-HSSOP original. PCB layout redesign is required. However, the functional audio amplification capability is equivalent in stereo mode.

Q: What is the key difference in supply voltage specifications?

A: The TAS5152DKDR operates at 10.8V ~ 13.2V. The TAS5612LADDVR operates at 12V ~ 34V. The substitute supports the original voltage range and extends capability to higher voltages. Designs using the original 10.8V minimum specification must verify compatibility with the TAS5612LADDVR's 12V minimum.

Q: Are the protection features identical between these devices?

A: Both devices include short-circuit protection, thermal protection, and shutdown functionality. The TAS5612LADDVR adds a depop feature not listed for the original device.

Q: Why is the TAS5612LADDVR recommended as a substitute if it requires PCB redesign?

A: The TAS5612LADDVR is an active product with guaranteed long-term availability, whereas the TAS5152DKDR is obsolete. For new designs or production continuation, the substitute provides supply chain security and manufacturer support despite requiring layout modification.

Q: Can the TAS5612LADDVR operate in mono mode?

A: Yes. The TAS5612LADDVR supports both mono (1-channel) and stereo (2-channel) configurations. For stereo applications equivalent to the TAS5152DKDR, use the 2-channel stereo mode.

Q: What is the significance of the MSL rating difference?

A: The TAS5152DKDR has MSL 4 (72-hour moisture sensitivity window), while the TAS5612LADDVR has MSL 3 (168-hour window). The substitute provides a longer handling window before baking is required, reducing manufacturing process constraints.

Q: Are both devices RoHS compliant?

A: Yes. Both the TAS5152DKDR and TAS5612LADDVR are ROHS3 compliant and REACH unaffected, meeting equivalent environmental and regulatory requirements.