MSP432P401MIPZ Equivalent & Substitute Parts

Part Overview

The MSP432P401MIPZ is a 32-bit ARM Cortex-M4F microcontroller manufactured by Texas Instruments, featuring 128KB FLASH memory and operating at 48MHz. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and production continuity. The substitute parts listed maintain core memory capacity and supply voltage compatibility while offering different architectural approaches and packaging options.

Key Parameters

Parameter	MSP432P401MIPZ
Manufacturer	Texas Instruments
Core Processor	ARM Cortex-M4F
Core Size	32-Bit Single-Core
Speed	48MHz
Program Memory Type	FLASH
Program Memory Size	128KB (128K x 8)
RAM Size	32K x 8
Voltage Supply (Vcc/Vdd)	1.62V ~ 3.7V
Package / Case	100-LQFP (14x14)
Number of I/O	84
Data Converters	A/D 26x14b
Connectivity	I2C, IrDA, SPI, UART/USART
Peripherals	DMA, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

The substitute parts identified are all MSP430FR5992 variants manufactured by Texas Instruments. Substitution is based on the following allowed parameters:

Program Memory Size: 128KB (128K x 8) maintained across all substitutes
Voltage Supply Range: 1.8V ~ 3.6V (overlaps with main part's 1.62V ~ 3.7V range)
Operating Temperature: -40°C ~ 85°C (TA) identical to main part
Connectivity: I2C, IrDA, SPI, UART/USART maintained
Peripherals: DMA, POR, PWM, WDT maintained
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 3 (168 Hours)
Mounting Type: Surface Mount

The MSP430FR5992 series differs in core architecture (16-bit MSP430 CPUXV2 versus 32-bit ARM Cortex-M4F), memory type (FRAM versus FLASH), operating speed (16MHz versus 48MHz), and available packaging options. These differences require design-level evaluation based on application requirements.

Parameter Comparison

Parameter	MSP432P401MIPZ	MSP430FR5992IPMR	MSP430FR5992IPNR	MSP430FR5992IRGZR
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Core Processor	ARM Cortex-M4F	MSP430 CPUXV2	MSP430 CPUXV2	MSP430 CPUXV2
Core Size	32-Bit Single-Core	16-Bit	16-Bit	16-Bit
Speed	48MHz	16MHz	16MHz	16MHz
Program Memory Type	FLASH	FRAM	FRAM	FRAM
Program Memory Size	128KB (128K x 8)	128KB (128K x 8)	128KB (128K x 8)	128KB (128K x 8)
RAM Size	32K x 8	8K x 8	8K x 8	8K x 8
Voltage Supply (Vcc/Vdd)	1.62V ~ 3.7V	1.8V ~ 3.6V	1.8V ~ 3.6V	1.8V ~ 3.6V
Number of I/O	84	54	68	40
Data Converters	A/D 26x14b	A/D 17x12b	A/D 20x12b	A/D 16x12b
Connectivity	I2C, IrDA, SPI, UART/USART	I2C, IrDA, SPI, UART/USART	I2C, IrDA, SPI, UART/USART	I2C, IrDA, SPI, UART/USART
Peripherals	DMA, POR, PWM, WDT	Brown-out Detect/Reset, DMA, POR, PWM, WDT	Brown-out Detect/Reset, DMA, POR, PWM, WDT	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	100-LQFP (14x14)	64-LQFP (10x10)	80-LQFP (12x12)	48-VQFN (7x7)
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)

Engineering Selection Recommendations

All three MSP430FR5992 variants maintain active product status with ROHS3 compliance and identical moisture sensitivity specifications. Selection among these substitutes depends on application-specific I/O requirements and packaging constraints:

MSP430FR5992IPNR provides the highest I/O count (68 pins) among the substitutes and the largest data converter resolution (A/D 20x12b), making it suitable for applications requiring extensive peripheral connectivity.

MSP430FR5992IPMR offers a mid-range I/O configuration (54 pins) in a 64-LQFP package, appropriate for space-constrained designs.

MSP430FR5992IRGZR provides the smallest footprint (48-VQFN 7x7) with 40 I/O pins, suitable for compact form factor requirements.

Design migration from MSP432P401MIPZ to any MSP430FR5992 variant requires evaluation of architectural differences: reduced operating speed (16MHz versus 48MHz), reduced RAM capacity (8K x 8 versus 32K x 8), reduced ADC channel count and resolution, and memory technology transition from FLASH to FRAM.

Frequently Asked Questions (FAQ)

Q: Can MSP430FR5992 variants directly replace MSP432P401MIPZ in existing designs?

A: Direct replacement requires design-level assessment. While program memory capacity and supply voltage ranges are compatible, the architectural differences (32-bit to 16-bit core, 48MHz to 16MHz speed, FLASH to FRAM memory, and reduced RAM) necessitate firmware and hardware evaluation.

Q: What are the key differences between FLASH and FRAM memory types?

A: FLASH memory requires block erase operations before writing, while FRAM allows byte-level write operations. FRAM offers lower power consumption and faster write cycles but differs in programming methodology and endurance characteristics.

Q: How do I select between the three MSP430FR5992 package options?

A: Selection is based on I/O pin requirements and PCB space constraints. MSP430FR5992IPNR (80-LQFP) provides maximum I/O (68 pins), MSP430FR5992IPMR (64-LQFP) provides moderate I/O (54 pins), and MSP430FR5992IRGZR (48-VQFN) provides minimum footprint (40 pins).

Q: Are the operating temperature ranges identical?

A: Yes, all parts operate across -40°C to 85°C (TA), maintaining thermal compatibility.

Q: What compliance certifications apply to these substitutes?

A: All substitute parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 3, 168 hours).

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message