MPC17531ATEJR2 Equivalent & Substitute Parts

Part Overview

The MPC17531ATEJR2 is a bipolar motor driver IC manufactured by NXP USA Inc., designed for battery-powered applications requiring integrated control and power stage functionality. This device integrates a fully featured motor driver with Power MOSFET technology in a compact 20-TSSOP package with exposed pad.

The MPC17531ATEJR2 is classified as obsolete. For new designs or replacement inventory, equivalent substitute parts with active product status and compatible electrical and mechanical specifications are available to ensure design continuity and supply chain reliability.

Substiute Parts

MPC17531ATEJR2

NXP USA Inc.In Stock: 1051MPC17531ATEJR2 Datasheet

Current PartRFQ

A4990KLPTR-T

Allegro MicroSystemsIn Stock: 9701A4990KLPTR-T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The A4990KLPTR-T qualifies as a functional equivalent based on the following substitution criteria:

Mechanical Compatibility:

• Identical package type: 20-TSSOP with exposed pad
• Identical mounting type: Surface Mount
• Pin-compatible footprint for direct PCB replacement

Functional Compatibility:

• Motor driver classification: Bipolar stepper and brushed DC motor support
• Output configuration: Half Bridge (4) topology
• Interface type: Parallel control interface
• Integrated control and power stage architecture

Electrical Operating Range:

• Supply voltage range encompasses the original specification (0V ~ 50V includes 2.7V ~ 3.6V)
• Load voltage range encompasses the original specification (0V ~ 50V includes 2V ~ 8.6V)
• Output current capability: 800mA exceeds the original 700mA requirement
• Operating temperature range: -40°C ~ 150°C encompasses the original -20°C ~ 150°C

Compliance & Certification:

• RoHS3 Compliant (matching original)
• REACH Unaffected (matching original)
• ECCN EAR99 (matching original)
• Active product status with established supply chain

Parameter Comparison

Engineering Selection Recommendations

The A4990KLPTR-T is the recommended substitute for the obsolete MPC17531ATEJR2 based on the following engineering criteria:

Product Lifecycle: The MPC17531ATEJR2 is obsolete, creating supply chain risk for new production and long-term support. The A4990KLPTR-T maintains active product status with established manufacturing and distribution channels.

Compliance & Certification: Both devices maintain identical RoHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory continuity in applications subject to environmental and export control requirements.

Electrical Performance: The A4990KLPTR-T provides enhanced electrical specifications with wider supply voltage range (0V ~ 50V vs. 2.7V ~ 3.6V), wider load voltage range (0V ~ 50V vs. 2V ~ 8.6V), and higher output current capability (800mA vs. 700mA). These enhancements provide design margin and application flexibility while remaining backward compatible with the original specification envelope.

Mechanical & Functional Equivalence: Identical package type, pin configuration, and footprint enable direct PCB replacement without layout modification. Matching motor driver architecture, output topology, and control interface ensure functional compatibility in existing circuit designs.

Automotive Grade Availability: The A4990KLPTR-T is available in automotive grade, providing additional qualification for applications requiring automotive-level reliability and traceability.

Frequently Asked Questions (FAQ)

Q: Can the A4990KLPTR-T be used as a direct replacement for the MPC17531ATEJR2 on existing PCBs?

A: Yes. Both devices use identical 20-TSSOP package with exposed pad and matching pin configuration. No PCB layout modification is required for mechanical and electrical substitution.

Q: What are the key electrical differences between these devices?

A: The A4990KLPTR-T provides wider operating ranges: supply voltage 0V ~ 50V (vs. 2.7V ~ 3.6V), load voltage 0V ~ 50V (vs. 2V ~ 8.6V), and higher output current 800mA (vs. 700mA). Both devices support identical motor driver functions and output topology.

Q: Are there any compliance or certification differences?

A: No. Both devices maintain RoHS3 compliance, REACH unaffected status, and EAR99 ECCN classification. The A4990KLPTR-T additionally offers automotive grade qualification.

Q: Why is the MPC17531ATEJR2 marked as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support. The A4990KLPTR-T provides functional and mechanical equivalence with active product status and ongoing supply availability.

Q: What is the moisture sensitivity level difference?

A: MPC17531ATEJR2 has MSL 3 (168 hours), while A4990KLPTR-T has MSL 2 (1 year). MSL 2 represents lower moisture sensitivity and less stringent storage requirements.

Q: Are the control interfaces identical?

A: Yes. Both devices use parallel control interface with identical half-bridge (4) output configuration for bipolar stepper and brushed DC motor applications.