TND027SW-TL-2H Equivalent & Substitute Parts

Part Overview

The TND027SW-TL-2H is a Power Management IC (PMIC) manufactured by onsemi, classified as a Power Switch/Driver with 1:2 N-Channel configuration rated for 1.5A output current. This component is designed for relay and solenoid driver applications with low-side output configuration and non-inverting input interface.

The TND027SW-TL-2H has reached obsolete product status. Identifying qualified substitute components is necessary to maintain design continuity and ensure supply chain availability for new production runs and legacy system support.

Substiute Parts

TND027SW-TL-2H

onsemiIn Stock: 36260TND027SW-TL-2H Datasheet

Current PartRFQ

ZXMS6005DT8TA

Diodes IncorporatedIn Stock: 3122ZXMS6005DT8TA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TND027SW-TL-2H is determined by the following critical parameters:

• Output Type & Configuration: N-Channel, Low Side output
• Number of Outputs: 2 outputs minimum
• Output Current Rating: Minimum 1.5A capability
• Load Voltage Rating: Minimum 40V support
• Fault Protection: Current Limiting, Over Temperature, Over Voltage protection required
• Input Interface: Non-Inverting On/Off control
• Mounting Type: Surface Mount
• Package Compatibility: 8-pin SOIC or equivalent footprint

The ZXMS6005DT8TA from Diodes Incorporated meets these core substitution criteria with enhanced electrical performance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The ZXMS6005DT8TA qualifies as a functional substitute for the obsolete TND027SW-TL-2H based on matching core electrical and mechanical parameters. The substitute component provides:

• Active product status with ongoing manufacturer support and supply availability
• Equivalent N-Channel low-side output configuration with 2 outputs
• Matching fault protection architecture (Current Limiting, Over Temperature, Over Voltage)
• Enhanced electrical performance: 1.8A output current (vs. 1.5A), 60V load voltage rating (vs. 40V), and 150mOhm Rds On (vs. 300mOhm)
• Automotive-grade qualification (AEC-Q101) and ROHS3 compliance
• Identical MSL rating and REACH compliance status

Package footprint differences exist between 8-SOIC and SOT-223-8. PCB layout verification is required to confirm physical compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: What makes ZXMS6005DT8TA a valid substitute for TND027SW-TL-2H?

A: Both components share identical core functional parameters: N-Channel low-side output configuration, 2 outputs, non-inverting On/Off interface, and matching fault protection (Current Limiting, Over Temperature, Over Voltage). The substitute meets or exceeds all critical electrical ratings required for relay and solenoid driver applications.

Q: Are there package compatibility concerns?

A: The main part uses 8-SOIC (0.154", 3.90mm Width) while the substitute uses SOT-223-8. These are different physical packages. PCB layout and footprint verification is necessary before design implementation.

Q: How do the electrical performance differences affect substitution?

A: The ZXMS6005DT8TA provides superior electrical characteristics: higher output current (1.8A vs. 1.5A), higher load voltage rating (60V vs. 40V), and lower on-resistance (150mOhm vs. 300mOhm). These enhancements maintain backward compatibility while improving thermal performance and current handling capability.

Q: What is the operating temperature difference impact?

A: The main part operates to 150°C (TJ), while the substitute operates to 125°C (TA). For applications requiring operation above 125°C ambient, thermal analysis is necessary to confirm junction temperature compliance.

Q: Does the substitute include automotive qualification?

A: Yes. The ZXMS6005DT8TA carries AEC-Q101 automotive qualification and ROHS3 compliance, providing enhanced reliability documentation for automotive and industrial applications.