MP6605DGR-P Equivalent & Substitute Parts

Part Overview

The MP6605DGR-P is a 4-channel low-side MOSFET driver manufactured by Monolithic Power Systems Inc., designed for unipolar stepper motor applications. This fully integrated power management IC combines control and power stage functionality in a 24-QFN (4x4) surface mount package. The device is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Key Parameters

Parameter	Value
Manufacturer	Monolithic Power Systems Inc.
Category	Power Management (PMIC)
Function	Driver - Fully Integrated, Control and Power Stage
Motor Type	Unipolar Stepper
Output Configuration	Low Side (4 channels)
Interface	Parallel
Current - Output	1.5A
Voltage - Supply	4.5V ~ 60V
Voltage - Load	0V ~ 60V
Operating Temperature	-40°C ~ 125°C (TJ)
Package / Case	24-VFQFN Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the MP6605DGR-P is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

Output configuration: Low side, 4-channel topology
Output current rating: 1.5A per channel
Supply voltage range: 4.5V ~ 60V
Load voltage range: 0V ~ 60V
Operating temperature range: -40°C ~ 125°C (TJ)

Mechanical & Packaging Parameters:

Package type: 24-VFQFN Exposed Pad
Mounting: Surface Mount
Form factor: 24-QFN (4x4)

Functional Parameters:

Motor driver type: Unipolar stepper
Interface: Parallel control
Integration level: Fully integrated control and power stage

Compliance Parameters:

RoHS3 compliance
MSL 1 rating
Active product status

Substitute parts must match all parameters listed above. Deviations in any electrical specification, package footprint, or compliance certification disqualify a part from substitution eligibility.

Parameter Comparison

Parameter	MP6605DGR-P	MP6605DGR-Z	Match Status
Manufacturer	Monolithic Power Systems Inc.	Monolithic Power Systems Inc.	Equivalent
Category	Power Management (PMIC)	Power Management (PMIC)	Equivalent
Function	Driver - Fully Integrated, Control and Power Stage	Driver - Fully Integrated, Control and Power Stage	Equivalent
Motor Type - Stepper	Unipolar	Unipolar	Equivalent
Output Configuration	Low Side (4)	Low Side (4)	Equivalent
Interface	Parallel	Parallel	Equivalent
Current - Output	1.5A	1.5A	Equivalent
Voltage - Supply	4.5V ~ 60V	4.5V ~ 60V	Equivalent
Voltage - Load	0V ~ 60V	0V ~ 60V	Equivalent
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 125°C (TJ)	Equivalent
Package / Case	24-VFQFN Exposed Pad	24-VFQFN Exposed Pad	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
MSL Rating	1 (Unlimited)	1 (Unlimited)	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

MP6605DGR-Z is a direct parametric equivalent to MP6605DGR-P. Both parts are manufactured by Monolithic Power Systems Inc. and share identical electrical specifications, package footprint, and compliance certifications. Selection between these parts is based on availability and supply chain considerations rather than technical differentiation.

Availability Consideration: MP6605DGR-Z currently maintains higher inventory levels (5781 Pcs) compared to MP6605DGR-P (1523 Pcs), making it suitable for high-volume production requirements or extended lead-time mitigation.

Compliance Status: Both parts maintain Active product status, full RoHS3 compliance, and REACH unaffected classification, ensuring regulatory compatibility across industrial and commercial applications.

Package Integrity: Both parts utilize identical 24-VFQFN Exposed Pad packaging with surface mount configuration, requiring no PCB layout modifications during substitution.

Frequently Asked Questions (FAQ)

Q: Can MP6605DGR-Z be used as a direct replacement for MP6605DGR-P in production?

A: Yes. MP6605DGR-Z is a parametric equivalent with identical electrical ratings, package footprint, and compliance certifications. No design modifications are required for substitution.

Q: Are there differences in the 24-QFN (4x4) package between these parts?

A: No. Both parts use the 24-VFQFN Exposed Pad package with identical mechanical dimensions and pin configuration. PCB footprints are interchangeable.

Q: What is the significance of the part number suffix (-P vs. -Z)?

A: The suffix indicates packaging or tape reel configuration differences. Both parts are functionally and electrically equivalent. Consult the manufacturer's datasheet for specific packaging specifications if required.

Q: Are both parts suitable for unipolar stepper motor applications?

A: Yes. Both MP6605DGR-P and MP6605DGR-Z are specified for unipolar stepper motor driver applications with 4-channel low-side output configuration and 1.5A per-channel current capability.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 125°C junction temperature (TJ), suitable for industrial and extended temperature applications.

Q: Do both parts require identical supply voltage levels?

A: Yes. Both parts accept supply voltages from 4.5V to 60V and support load voltages from 0V to 60V, enabling flexible system integration across multiple voltage domains.

Q: Are there any compliance differences between MP6605DGR-P and MP6605DGR-Z?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating, ensuring equivalent regulatory and environmental compliance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message