TC426MJA Equivalent & Substitute Parts

Part Overview

The TC426MJA is a low-side gate driver IC manufactured by Microchip Technology, designed for driving N-Channel and P-Channel MOSFETs in power management applications. This inverting gate driver operates across a supply voltage range of 4.5V to 18V and delivers peak output currents of 1.5A for both source and sink configurations. The device is packaged in an 8-CERDIP through-hole format and maintains active product status with full RoHS3 compliance. Equivalent and substitute parts are identified to provide design flexibility when the primary package type or operating temperature range requires adjustment for specific application requirements.

Substiute Parts

TC426MJA

Microchip TechnologyIn Stock: 1468TC426MJA Datasheet

Current PartRFQ

TC426EPA

Microchip TechnologyIn Stock: 1388TC426EPA Datasheet

MFR RecommendedRFQ

TC4426ACPA

Microchip TechnologyIn Stock: 1268TC4426ACPA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TC426MJA is determined by strict equivalence across the following critical parameters: low-side gate driver configuration, dual independent channels, support for N-Channel and P-Channel MOSFETs, inverting input logic, 4.5V to 18V supply voltage range, 0.8V/2.4V logic thresholds, 1.5A peak output current capability, and through-hole mounting. The identified substitute parts maintain these core electrical specifications while differing in package type (8-PDIP versus 8-CERDIP) and operating temperature range. Package differences do not affect functional equivalence when PCB layout accommodates the alternative form factor. Operating temperature range variations reflect different qualification and screening levels but do not alter the device's electrical performance within the specified operating conditions of the target application.

Parameter Comparison

Engineering Selection Recommendations

Selection between TC426MJA and its substitutes is based on application-specific requirements for operating temperature range and package form factor. The TC426MJA provides the widest operating temperature range (-55°C to 125°C) and is suitable for industrial and automotive applications requiring extended temperature performance. The TC426EPA maintains the same electrical specifications and temperature range as TC426MJA but uses 8-PDIP packaging instead of 8-CERDIP, making it suitable when standard DIP footprints are preferred. The TC4426ACPA operates within a narrower temperature range (0°C to 70°C) with slightly faster rise and fall times (25ns versus 30ns) and is appropriate for commercial-grade applications with controlled thermal environments. All three parts maintain identical supply voltage ranges, output current capabilities, logic thresholds, and dual-channel independent configurations. All parts are RoHS3 compliant with MSL Level 1 moisture sensitivity ratings and active product status from Microchip Technology.

Frequently Asked Questions (FAQ)

Q: Can TC426EPA be used as a direct replacement for TC426MJA? A: TC426EPA is electrically equivalent to TC426MJA across all functional parameters including supply voltage, output current, logic thresholds, and gate driver configuration. The primary difference is packaging: TC426EPA uses 8-PDIP while TC426MJA uses 8-CERDIP. Both maintain identical 0.300" (7.62mm) pitch and through-hole mounting. Substitution is valid when PCB layout accommodates the PDIP package footprint. Operating temperature range differs: TC426EPA is rated -40°C to 85°C versus TC426MJA at -55°C to 125°C. Verify application temperature requirements before substitution.

Q: What are the key differences between TC4426ACPA and TC426MJA? A: TC4426ACPA maintains electrical equivalence in supply voltage (4.5V to 18V), output current (1.5A source and sink), logic thresholds (0.8V/2.4V), and dual-channel independent configuration. Differences include: operating temperature range of 0°C to 70°C (versus -55°C to 125°C for TC426MJA), faster rise and fall times of 25ns (versus 30ns), and 8-PDIP packaging (versus 8-CERDIP). The TC4426ACPA is suitable for commercial-grade applications within controlled temperature environments.

Q: Are all three parts pin-compatible? A: TC426MJA and TC426EPA share identical pin configurations within their respective package types (8-CERDIP and 8-PDIP). Both use 0.300" (7.62mm) pitch through-hole mounting. TC4426ACPA also uses 8-PDIP packaging with identical pinout to TC426EPA. Pin compatibility exists between TC426EPA and TC4426ACPA. Verify footprint compatibility with your PCB design before substitution.

Q: Which part should I select for automotive applications? A: TC426MJA is recommended for automotive applications due to its extended operating temperature range of -55°C to 125°C, which accommodates under-hood and extreme thermal environments. TC426EPA provides the same temperature range with alternative PDIP packaging. TC4426ACPA's narrower temperature range (0°C to 70°C) is not suitable for automotive use.

Q: Do all parts meet RoHS compliance requirements? A: All three parts—TC426MJA, TC426EPA, and TC4426ACPA—are RoHS3 compliant with MSL Level 1 moisture sensitivity ratings. All maintain active product status from Microchip Technology and are suitable for applications requiring RoHS compliance.