MP8044DF-LF-Z Equivalent & Substitute Parts

Part Overview

The MP8044DF-LF-Z is a Class D stereo amplifier IC manufactured by Monolithic Power Systems Inc., designed for 2-channel audio amplification applications. This component features an integrated amplifier architecture in a 20-TSSOP surface mount package with exposed pad. The MP8044DF-LF-Z is classified as obsolete, necessitating identification of active equivalent components for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility across amplifier topology, channel configuration, and package specifications.

Substiute Parts

MP8044DF-LF-Z
Monolithic Power Systems Inc.In Stock: 1785MP8044DF-LF-Z Datasheet
MP8044DF-LF-Z
Current Part
MP8046DF-LF-Z
Monolithic Power Systems Inc.In Stock: 25112MP8046DF-LF-Z Datasheet
MP8046DF-LF-Z
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Key Parameters

Parameter Value
Manufacturer Monolithic Power Systems Inc.
Category Linear, Amplifiers
Amplifier Type Class D
Output Configuration 2-Channel (Stereo)
Max Output Power 8W x 2 @ 8Ohm
Supply Voltage Range 7.5V ~ 22V
Mounting Type Surface Mount
Package Type 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature -40°C ~ 85°C (TA)
RoHS Status ROHS3 Compliant
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the obsolete MP8044DF-LF-Z is based on the following critical parameters that must align between the main part and substitute components:

Mandatory Alignment Parameters:

  • Amplifier topology: Class D architecture
  • Channel configuration: 2-Channel (Stereo) output
  • Package specification: 20-TSSOP with exposed pad (20-TSSOPF-EP)
  • Mounting technology: Surface mount
  • Manufacturer: Monolithic Power Systems Inc.
  • Regulatory compliance: ROHS3 Compliant, REACH Unaffected

The MP8046DF-LF-Z qualifies as a direct substitute based on identical package geometry, matching amplifier class and stereo channel architecture, and equivalent regulatory certifications. The substitute part is classified as active product status, ensuring continued availability and manufacturing support.

Parameter Comparison

Parameter MP8044DF-LF-Z (Main) MP8046DF-LF-Z (Substitute)
Manufacturer Monolithic Power Systems Inc. Monolithic Power Systems Inc.
Category Linear, Amplifiers Linear, Amplifiers
Amplifier Type Class D Class D
Output Configuration 2-Channel (Stereo) 2-Channel (Stereo)
Mounting Type Surface Mount Surface Mount
Package Type 20-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected
Product Status Obsolete Active

Engineering Selection Recommendations

The MP8046DF-LF-Z is the qualified substitute for the obsolete MP8044DF-LF-Z based on the following engineering criteria:

Package and Mechanical Compatibility: Both components utilize identical 20-TSSOP surface mount packaging with exposed pad configuration, ensuring direct PCB layout compatibility without redesign requirements.

Regulatory and Compliance Alignment: The substitute part maintains ROHS3 compliance and REACH unaffected status, matching the regulatory framework of the original component.

Product Status and Supply Continuity: The MP8046DF-LF-Z is classified as active product, providing assured long-term availability and manufacturing support. The original MP8044DF-LF-Z obsolete status creates supply discontinuity that the active substitute resolves.

Functional Architecture: Both components are Class D stereo amplifiers with 2-channel output configuration, maintaining equivalent amplification topology for audio applications.

Selection of the MP8046DF-LF-Z for replacement applications eliminates obsolescence risk while preserving electrical and mechanical interface compatibility.

Frequently Asked Questions (FAQ)

Q: Can the MP8046DF-LF-Z be used as a direct replacement for the MP8044DF-LF-Z in existing designs?

A: Yes. Both components share identical package specifications (20-TSSOP with exposed pad), matching surface mount footprints, and equivalent Class D stereo amplifier architecture. PCB layout and mechanical mounting require no modification.

Q: What is the primary reason for substituting the MP8044DF-LF-Z?

A: The MP8044DF-LF-Z is classified as obsolete product. The MP8046DF-LF-Z is an active component from the same manufacturer, ensuring continued supply availability and manufacturing support.

Q: Are there differences in operating temperature ranges between these components?

A: The MP8044DF-LF-Z operates across -40°C to 85°C (TA). The MP8046DF-LF-Z operates across -40°C to 125°C (TJ). The substitute part provides an extended upper temperature limit, suitable for applications requiring higher thermal operating margins.

Q: Do both components meet the same regulatory requirements?

A: Yes. Both the MP8044DF-LF-Z and MP8046DF-LF-Z are ROHS3 compliant and REACH unaffected, meeting equivalent environmental and regulatory standards.

Q: What packaging format is available for the MP8046DF-LF-Z?

A: The MP8046DF-LF-Z is supplied in Tape & Reel (TR) packaging format, standard for high-volume surface mount component distribution.

Q: Are there additional features in the substitute part?

A: The MP8046DF-LF-Z includes integrated Mute, Standby, and Thermal Protection features. These enhancements provide additional functional capability for audio amplifier control and thermal management.

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