MP6901DJ-LF-Z Equivalent & Substitute Parts

Part Overview

The MP6901DJ-LF-Z is an active secondary-side controller IC manufactured by Monolithic Power Systems Inc., designed for power supply applications requiring secondary-side regulation and control. This component operates within a supply voltage range of 8V to 24V and is housed in a compact TSOT-23-5 surface mount package. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial power management applications.

Identifying equivalent and substitute parts becomes necessary when addressing supply chain constraints, lead time requirements, or design flexibility needs while maintaining functional compatibility within the specified electrical and mechanical parameters.

Substiute Parts

MP6901DJ-LF-Z

Monolithic Power Systems Inc.In Stock: 105183MP6901DJ-LF-Z Datasheet

Current PartRFQ

LTC4151CDD#PBF

Analog Devices Inc.In Stock: 3589LTC4151CDD#PBF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MP6901DJ-LF-Z is determined by the following critical parameters:

• Functional Category: Power Management (PMIC) classification
• Mounting Technology: Surface mount capability
• Supply Voltage Range: Compatibility within or encompassing 8V ~ 24V
• Current Supply Requirements: Operating current of 3 mA or lower
• Operating Temperature Range: Support for -40°C ~ 125°C or equivalent industrial range
• Package Compatibility: Physical and electrical compatibility with TSOT-23-5 or equivalent footprint
• Regulatory Compliance: RoHS3 compliance and REACH unaffected status
• Product Status: Active manufacturing status

The substitute part LTC4151CDD#PBF is identified based on shared Power Management (PMIC) category classification and surface mount technology. However, critical parameter differences exist that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the MP6901DJ-LF-Z and LTC4151CDD#PBF maintain Active product status with full RoHS3 compliance and REACH unaffected certification, confirming regulatory alignment for industrial applications.

The MP6901DJ-LF-Z operates within a supply voltage range of 8V to 24V with an operating temperature range of -40°C to 125°C, supporting extended industrial temperature specifications.

The LTC4151CDD#PBF operates within a supply voltage range of 7V to 80V with an operating temperature range of 0°C to 70°C, supporting commercial temperature specifications. The wider input voltage range of the LTC4151CDD#PBF extends compatibility to higher voltage applications, while the narrower temperature range limits deployment in extended temperature environments.

Package differences exist between the two components: the MP6901DJ-LF-Z uses TSOT-23-5 packaging, while the LTC4151CDD#PBF uses 10-WFDFN Exposed Pad packaging. These package differences require PCB layout modifications and cannot be considered pin-compatible substitutes.

Selection between these components must be based on specific application requirements regarding operating temperature range, input voltage specifications, and PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can the LTC4151CDD#PBF directly replace the MP6901DJ-LF-Z on existing PCBs?

A: No. The MP6901DJ-LF-Z uses TSOT-23-5 packaging while the LTC4151CDD#PBF uses 10-WFDFN Exposed Pad packaging. These packages have different footprints and pin configurations, requiring PCB redesign for physical and electrical compatibility.

Q: What are the key voltage compatibility considerations?

A: The MP6901DJ-LF-Z operates at 8V to 24V supply voltage. The LTC4151CDD#PBF operates at 7V to 80V supply voltage. The LTC4151CDD#PBF supports lower minimum voltage (7V vs 8V) and significantly higher maximum voltage (80V vs 24V). Application voltage specifications must fall within the selected component's operating range.

Q: Are there temperature range limitations for substitution?

A: Yes. The MP6901DJ-LF-Z supports -40°C to 125°C operating temperature, while the LTC4151CDD#PBF supports 0°C to 70°C. Applications requiring extended temperature operation below 0°C or above 70°C cannot use the LTC4151CDD#PBF as a substitute.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the MP6901DJ-LF-Z and LTC4151CDD#PBF are RoHS3 compliant, REACH unaffected, and maintain Active product status with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the current supply difference between these components?

A: The MP6901DJ-LF-Z draws 3 mA supply current, while the LTC4151CDD#PBF draws 1.2 mA supply current. The LTC4151CDD#PBF has lower power consumption characteristics.