SN8432DKDR Equivalent & Substitute Parts

Part Overview

The SN8432DKDR is a prototype-stage integrated circuit from Texas Instruments classified as an uncategorized component. This part has reached Last Time Buy status, indicating discontinuation or end-of-life transition. Identification of equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this device.

Substiute Parts

SN8432DKDR

Texas InstrumentsIn Stock: 978SN8432DKDR Datasheet

Current PartRFQ

DRV8412DDWR

Texas InstrumentsIn Stock: 8904DRV8412DDWR Datasheet

MFR RecommendedRFQ

DRV8462DDWR

Texas InstrumentsIn Stock: 2214DRV8462DDWR Datasheet

MFR RecommendedRFQ

DRV8962DDWR

Texas InstrumentsIn Stock: 910DRV8962DDWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN8432DKDR are identified based on manufacturer designation and functional category alignment within the Texas Instruments product portfolio. The three substitute parts—DRV8412DDWR, DRV8462DDWR, and DRV8962DDWR—are all active-status Power Management (PMIC) devices from Texas Instruments, classified as motor driver integrated circuits.

Substitution logic is based on the following criteria:

• Manufacturer Consistency: All substitute parts are manufactured by Texas Instruments, ensuring design support and supply chain continuity
• Package Compatibility: All substitute parts utilize the 44-PowerTSSOP (44-HTSSOP) surface mount package format
• Compliance Alignment: All substitute parts maintain ROHS3 compliance, matching the environmental and regulatory requirements of the main part
• Functional Category: All substitute parts function as half-bridge or H-bridge motor drivers, indicating similar application domains
• Moisture Sensitivity: All substitute parts specify MSL 3 (168 Hours), which is more favorable than the main part's MSL 4 (72 Hours)

Parameter Comparison

Engineering Selection Recommendations

DRV8412DDWR is designated as the manufacturer-recommended primary substitute. This part maintains active product status with the highest inventory availability (8819 units), ensuring supply chain continuity. It is ROHS3 compliant and features an improved MSL rating of 3 (168 Hours) compared to the main part. The 44-HTSSOP package format provides direct mechanical compatibility for surface mount applications.

DRV8462DDWR serves as an alternative substitute for applications requiring bipolar stepper motor control functionality. This part is active-status with substantial inventory (2200 units) and maintains ROHS3 compliance with MSL 3 rating. The 44-HTSSOP package ensures mechanical compatibility.

DRV8962DDWR is available as a secondary substitute option with active product status and adequate inventory (810 units). This part also maintains ROHS3 compliance and MSL 3 rating. The 44-HTSSOP package format supports direct mechanical substitution.

All three substitute parts are manufactured by Texas Instruments, ensuring design documentation availability, technical support continuity, and regulatory compliance alignment with the original SN8432DKDR specification.

Frequently Asked Questions (FAQ)

Q: Why is the SN8432DKDR being discontinued?

A: The SN8432DKDR has reached Last Time Buy status, indicating Texas Instruments has transitioned this part to end-of-life. The substitute parts listed represent active alternatives within the Texas Instruments motor driver product portfolio.

Q: Are the substitute parts pin-compatible with the SN8432DKDR?

A: Pin compatibility cannot be confirmed based on the provided technical parameters. Detailed pinout verification against the SN8432DKDR datasheet is required before design implementation.

Q: What is the difference between MSL 4 and MSL 3?

A: MSL (Moisture Sensitivity Level) 4 specifies a maximum floor life of 72 hours after moisture exposure, while MSL 3 specifies 168 hours. All substitute parts feature the more favorable MSL 3 rating, providing extended handling and storage windows.

Q: Can all three substitute parts be used interchangeably?

A: Interchangeability depends on specific application requirements. DRV8412DDWR is the manufacturer-recommended primary substitute. DRV8462DDWR and DRV8962DDWR offer alternative feature sets and should be evaluated against application-specific functional requirements.

Q: Are all substitute parts available in the same package format?

A: Yes. All substitute parts utilize the 44-PowerTSSOP (44-HTSSOP) surface mount package, providing mechanical compatibility for PCB layout and assembly processes.

Q: Do the substitute parts maintain the same regulatory compliance?

A: Yes. All substitute parts are ROHS3 compliant, matching the environmental and regulatory requirements of the SN8432DKDR.