TAS5601DCA-P Equivalent & Substitute Parts

Part Overview

The TAS5601DCA-P is a Class D amplifier IC manufactured by Texas Instruments, designed for 4 half-bridge output configurations. This device delivers 20W per channel at 8Ω load impedance or 19W across 4 channels at 4Ω load impedance, operating across a 10V to 26V supply voltage range. The TAS5601DCA-P is classified as Last Time Buy, indicating that this part number is no longer in active production. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this amplifier IC.

Substiute Parts

TAS5601DCA-P

Texas InstrumentsIn Stock: 874TAS5601DCA-P Datasheet

Current PartRFQ

TAS5805MPWPR

Texas InstrumentsIn Stock: 21430TAS5805MPWPR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TAS5601DCA-P is based on the following critical parameters that define functional equivalence within Class D amplifier applications:

Primary Substitution Criteria:

• Amplifier Type: Class D topology
• Manufacturer: Texas Instruments (same design ecosystem and support infrastructure)
• Supply Voltage Range: Compatibility with 10V ~ 26V operating window
• RoHS Compliance: ROHS3 Compliant status maintained
• Moisture Sensitivity Level: MSL 3 (168 Hours) for handling and storage consistency
• Surface Mount Technology: Compatibility with existing PCB assembly processes

Secondary Consideration:

• Output configuration and power delivery specifications must support the intended application load impedance and channel requirements

The TAS5805MPWPR is identified as a manufacturer-recommended substitute. While this part operates with different output channel configurations and power delivery characteristics, it maintains core Class D amplifier functionality, Texas Instruments manufacturing origin, compatible supply voltage operation, and identical RoHS and MSL compliance standards.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The TAS5601DCA-P carries Last Time Buy status, indicating cessation of production and limited remaining inventory. The TAS5805MPWPR maintains Active product status with significantly higher inventory availability (21,400 pieces in stock versus 782 pieces for the main part), ensuring long-term supply chain continuity.

Compliance and Certification: Both parts maintain ROHS3 Compliant status and identical Moisture Sensitivity Level (MSL 3, 168 Hours), ensuring equivalent handling, storage, and assembly requirements. The TAS5805MPWPR includes additional compliance documentation (REACH Unaffected, ECCN: EAR99, HTSUS: 8542.33.0001), supporting broader regulatory and export requirements.

Application-Specific Evaluation: Selection between these parts requires assessment of output channel configuration requirements and power delivery specifications. The TAS5601DCA-P provides 4 half-bridge outputs optimized for multi-channel applications at lower individual channel power levels. The TAS5805MPWPR delivers higher single-channel power output (45W @ 4Ω) or dual-channel stereo operation (23W @ 8Ω per channel), suitable for applications prioritizing power density or stereo audio delivery.

Temperature Operating Range: The TAS5601DCA-P supports extended low-temperature operation (-40°C minimum) compared to the TAS5805MPWPR (-25°C minimum). Applications requiring operation below -25°C require retention of the original part number or identification of alternative substitutes with matching temperature specifications.

Frequently Asked Questions (FAQ)

Q: Can the TAS5805MPWPR directly replace the TAS5601DCA-P in existing designs?

A: Direct replacement requires design evaluation. Both parts are Class D amplifiers from Texas Instruments with compatible supply voltage ranges and identical compliance standards. However, the TAS5805MPWPR features different output channel configuration (1-channel mono or 2-channel stereo versus 4 half-bridge) and different package geometry (28-HTSSOP versus 56-HTSSOP). PCB layout modifications and firmware adjustments may be necessary to accommodate the smaller package footprint and different pin assignments.

Q: What are the key differences in power delivery between these parts?

A: The TAS5601DCA-P delivers 20W per channel across 2 channels at 8Ω impedance or 19W across 4 channels at 4Ω impedance. The TAS5805MPWPR delivers 45W in single-channel (mono) mode at 4Ω or 23W per channel in dual-channel (stereo) mode at 8Ω. Selection depends on whether the application requires multi-channel lower-power output or higher single-channel power delivery.

Q: Are the package dimensions compatible with existing PCB designs?

A: No. The TAS5601DCA-P uses 56-PowerTFSOP packaging (0.240" width, 6.10mm), while the TAS5805MPWPR uses 28-PowerTSSOP packaging (0.173" width, 4.40mm). The substitute part is significantly smaller and requires PCB redesign to accommodate the new footprint and pin layout.

Q: Do both parts support the same supply voltage range?

A: The TAS5601DCA-P operates from 10V to 26V. The TAS5805MPWPR operates from 4.5V to 26.4V, providing extended low-voltage capability. Applications operating below 10V require the TAS5805MPWPR. Applications requiring operation above 26V are not supported by either part.

Q: What is the significance of the Last Time Buy status for the TAS5601DCA-P?

A: Last Time Buy indicates that Texas Instruments has discontinued production of this part number. Current inventory (782 pieces) represents the final available stock. Once depleted, the TAS5601DCA-P will no longer be available from any source. Designs currently using this part should transition to active alternatives such as the TAS5805MPWPR to ensure long-term supply chain viability.

Q: Are the operating temperature ranges equivalent?

A: No. The TAS5601DCA-P supports -40°C to 85°C operation, while the TAS5805MPWPR supports -25°C to 85°C operation. Applications requiring operation below -25°C must retain the original part number or identify alternative substitutes with extended low-temperature specifications.

Q: Do both parts have identical RoHS and MSL compliance?

A: Yes. Both the TAS5601DCA-P and TAS5805MPWPR are ROHS3 Compliant with MSL 3 (168 Hours) moisture sensitivity rating. Handling, storage, and assembly processes remain equivalent between the two parts.