MPC17531ATEJ Equivalent & Substitute Parts

Part Overview

The MPC17531ATEJ 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 MPC17531ATEJ is classified as obsolete. Identifying suitable substitute components is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications utilizing this driver architecture.

Substiute Parts

MPC17531ATEJ
NXP USA Inc.In Stock: 5747MPC17531ATEJ Datasheet
MPC17531ATEJ
Current Part
A4990KLPTR-T
Allegro MicroSystemsIn Stock: 9701A4990KLPTR-T Datasheet
A4990KLPTR-T
MFR Recommended

Key Parameters

Parameter Value
Motor Type Support Bipolar Stepper, Brushed DC
Output Configuration Half Bridge (4)
Interface Type Parallel
Technology Power MOSFET
Current Output 700mA
Supply Voltage Range 2.7V ~ 3.6V
Load Voltage Range 2V ~ 8.6V
Operating Temperature -20°C ~ 150°C (TJ)
Package Type 20-TSSOP with Exposed Pad
RoHS Compliance ROHS3 Compliant
MSL Rating 3 (168 Hours)

Substitute Part Grouping Explanation

Substitution eligibility for the MPC17531ATEJ is determined by the following critical parameters:

Motor driver functionality must support bipolar stepper and brushed DC motor types with half-bridge (4) output configuration and parallel interface. The package must be 20-TSSOP with exposed pad to ensure mechanical and electrical compatibility with existing PCB layouts.

Electrical compatibility requires that the substitute part accommodates the load voltage and current requirements of the original application. The substitute must maintain RoHS3 compliance and REACH unaffected status to satisfy regulatory requirements.

The A4990KLPTR-T qualifies as a substitute based on matching motor type support, output configuration, interface type, package specification, and regulatory compliance. The substitute provides enhanced electrical specifications (wider supply and load voltage ranges, higher output current) and improved temperature performance, making it suitable for applications originally designed for the MPC17531ATEJ.

Parameter Comparison

Parameter MPC17531ATEJ A4990KLPTR-T Compatibility Notes
Motor Type - Stepper Bipolar Bipolar Matched
Motor Type - AC, DC Brushed DC Brushed DC Matched
Output Configuration Half Bridge (4) Half Bridge (4) Matched
Interface Parallel Parallel Matched
Package / Case 20-TSSOP (0.173", 4.40mm Width) Exposed Pad 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Matched
Current - Output 700mA 800mA Substitute exceeds requirement
Voltage - Supply 2.7V ~ 3.6V 0V ~ 50V Substitute range encompasses original
Voltage - Load 2V ~ 8.6V 0V ~ 50V Substitute range encompasses original
Operating Temperature -20°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) Substitute provides extended lower range
RoHS Status ROHS3 Compliant ROHS3 Compliant Matched
REACH Status REACH Unaffected REACH Unaffected Matched

Engineering Selection Recommendations

The A4990KLPTR-T is qualified as a direct substitute for the MPC17531ATEJ based on functional equivalence and regulatory compliance alignment. Both devices maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements.

The A4990KLPTR-T is classified as active product status, ensuring ongoing availability and manufacturing support. The MPC17531ATEJ is obsolete, making the A4990KLPTR-T the appropriate selection for new designs and production continuity.

The substitute device provides enhanced electrical specifications across supply voltage, load voltage, and output current parameters. These enhancements do not introduce incompatibility with applications designed for the original part; they represent expanded operational capability within the same functional architecture.

Frequently Asked Questions (FAQ)

Q: Can the A4990KLPTR-T directly replace the MPC17531ATEJ in existing designs?

A: Yes. Both devices share identical motor type support (bipolar stepper and brushed DC), output configuration (half bridge with 4 outputs), interface type (parallel), and package specification (20-TSSOP with exposed pad). The substitute accommodates all electrical requirements of the original application.

Q: What are the key differences between these two parts?

A: The A4990KLPTR-T provides wider supply voltage range (0V ~ 50V versus 2.7V ~ 3.6V), wider load voltage range (0V ~ 50V versus 2V ~ 8.6V), higher output current (800mA versus 700mA), and extended lower operating temperature limit (-40°C versus -20°C). These represent performance enhancements rather than functional changes.

Q: Are there any package or pinout considerations for substitution?

A: Both parts use the 20-TSSOP package with exposed pad at 0.173" width (4.40mm). Package dimensions and thermal characteristics are equivalent, ensuring compatibility with existing PCB layouts and thermal management designs.

Q: What is the product status difference, and why does it matter?

A: The MPC17531ATEJ is obsolete, indicating discontinued manufacturing and limited availability. The A4990KLPTR-T is active product, ensuring reliable supply chain access and ongoing manufacturer support for production requirements.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the MPC17531ATEJ and A4990KLPTR-T are ROHS3 compliant and REACH unaffected, satisfying equivalent environmental and regulatory standards.

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