MP6541GQKT-Z Equivalent & Substitute Parts

Part Overview

The MP6541GQKT-Z is a 45V 8A three-phase power stage with fully integrated control and power stage functionality, designed for multiphase motor driver applications including stepper and brushless DC (BLDC) motor control. This Power MOSFET PWM driver operates across a supply voltage range of 4.75V to 40V and is housed in a 26-TQFN (6x6) surface mount package. The part is currently active in production status with 797 units in stock. Equivalent substitute parts are identified based on matching electrical specifications, mechanical packaging, and functional characteristics to ensure direct interchangeability in motor driver applications.

Substiute Parts

MP6541GQKT-Z

Monolithic Power Systems Inc.In Stock: 897MP6541GQKT-Z Datasheet

Current PartRFQ

MP6541AGQKT-P

Monolithic Power Systems Inc.In Stock: 1390MP6541AGQKT-P Datasheet

Parametric EquivalentRFQ

MP6541AGQKT-Z

Monolithic Power Systems Inc.In Stock: 5725MP6541AGQKT-Z Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MP6541GQKT-Z are identified as parametric equivalents based on the following criteria:

Electrical Specifications Match:

• Output current rating: 8A
• Supply voltage range: 4.75V ~ 40V
• Load voltage range: 4.75V ~ 40V
• Operating temperature range: -40°C ~ 125°C (TJ)

Functional Equivalence:

• Fully integrated control and power stage driver
• Three-phase half bridge output configuration
• PWM interface for motor control
• Power MOSFET technology

Mechanical & Packaging Compatibility:

• Package type: 26-PowerWQFN
• Supplier device package: 26-TQFN (6x6)
• Surface mount mounting type
• Moisture sensitivity level: 2 (1 Year)

Motor Application Support:

• Multiphase stepper motor capability
• Brushless DC (BLDC) motor driver functionality
• General purpose applications

The identified substitutes (MP6541AGQKT-P and MP6541AGQKT-Z) maintain identical electrical performance, functional integration, and physical packaging, enabling direct replacement in motor driver circuits.

Parameter Comparison

Engineering Selection Recommendations

All three parts (MP6541GQKT-Z, MP6541AGQKT-P, and MP6541AGQKT-Z) are active production components from Monolithic Power Systems Inc. with identical electrical specifications and mechanical packaging. Selection between these parts is based on availability and supply chain requirements:

MP6541GQKT-Z: Primary part number with 797 units in stock. Suitable for standard procurement when primary designation is required.

MP6541AGQKT-P: Parametric equivalent with 1335 units in stock. Provides increased availability for applications requiring the -P packaging designation.

MP6541AGQKT-Z: Parametric equivalent with 5684 units in stock. Highest inventory availability for high-volume production requirements or extended supply chain assurance.

All three parts carry ECCN: EAR99 and HTSUS: 8542.39.0001 classifications where applicable, ensuring consistent regulatory compliance across substitution options.

Frequently Asked Questions (FAQ)

Q: Are MP6541AGQKT-P and MP6541AGQKT-Z direct replacements for MP6541GQKT-Z?

A: Yes. Both substitute parts maintain identical electrical specifications (8A output current, 4.75V ~ 40V supply and load voltage), functional integration (fully integrated control and power stage), and mechanical packaging (26-TQFN 6x6 surface mount). They are parametric equivalents suitable for direct circuit substitution.

Q: What is the difference between the -P and -Z packaging designations?

A: The -P and -Z designations indicate different packaging or tape/reel configurations from Monolithic Power Systems Inc. Both maintain identical electrical and functional characteristics. The choice between them depends on procurement format requirements (bulk vs. tape/reel) and supply chain availability.

Q: Can these parts be used interchangeably in BLDC motor driver applications?

A: Yes. All three parts support brushless DC (BLDC) motor control with identical three-phase half bridge output configuration, PWM interface, and 8A output current rating. They are interchangeable for BLDC motor driver circuits.

Q: Are there any thermal or operating condition differences between these parts?

A: No. All three parts operate across the same temperature range (-40°C ~ 125°C junction temperature) and maintain identical voltage specifications. Thermal performance and operating conditions are equivalent.

Q: Which substitute should I select for high-volume production?

A: MP6541AGQKT-Z offers the highest inventory (5684 units) and is recommended for high-volume production runs requiring extended supply assurance. MP6541AGQKT-P provides an intermediate inventory option (1335 units) if the -P packaging designation is preferred.

Q: Do these parts require different PCB layouts or design modifications?

A: No. All three parts use the 26-TQFN (6x6) package with identical pinout and mechanical dimensions. PCB layouts and circuit designs are directly transferable without modification.