TC4423EOE Low-Side Gate Driver IC

Part Overview

The TC4423EOE is an active low-side gate driver IC manufactured by Microchip Technology, designed for driving N-Channel and P-Channel MOSFETs in power management applications. This component operates as an inverting driver with independent dual-channel configuration, suitable for applications requiring precise gate control in the 4.5V to 18V supply range. The part is currently in active production status with 2580 units available in tube packaging. Alternative part sourcing becomes necessary due to packaging availability, inventory constraints, or supply chain requirements while maintaining identical electrical performance specifications.

Substiute Parts

TC4423EOE

Microchip TechnologyIn Stock: 2621TC4423EOE Datasheet

Current PartRFQ

MIC4423YWM-TR

Microchip TechnologyIn Stock: 1974MIC4423YWM-TR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC4423EOE is determined by strict equivalence across the following critical parameters:

Driven configuration must remain low-side. Channel type must be independent dual-channel. Gate type must support both N-Channel and P-Channel MOSFETs. Supply voltage range must encompass 4.5V to 18V minimum. Peak output current must meet or exceed 3A for both source and sink. Input type must be inverting. Package must be 16-SOIC form factor. Operating temperature range must cover -40°C to 150°C. Mounting type must be surface mount.

The MIC4423YWM-TR qualifies as a direct substitute based on these parameters. Both parts share identical driven configuration, channel type, gate type, supply voltage range, output current specifications, input type, package form factor, and operating temperature range. The primary distinction is packaging format (tube versus tape & reel) and minor timing variations in rise/fall time characteristics that remain within acceptable operational margins for gate driver applications.

Parameter Comparison

Engineering Selection Recommendations

Both TC4423EOE and MIC4423YWM-TR are active production parts from Microchip Technology with ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on packaging requirements and supply chain logistics rather than electrical performance.

The TC4423EOE in tube packaging is appropriate for lower-volume applications or manual assembly processes. The MIC4423YWM-TR in tape & reel format is suitable for high-volume automated assembly operations. Rise and fall time differences (TC4423EOE: 23ns/25ns versus MIC4423YWM-TR: 28ns/32ns) represent acceptable variations within typical gate driver application tolerances and do not impact functional compatibility.

Moisture sensitivity level differences (MSL 1 versus MSL 2) indicate different storage and handling requirements. MSL 1 allows unlimited shelf life, while MSL 2 requires controlled storage within one year of manufacture. This distinction affects inventory management and procurement planning but does not affect electrical performance in deployed applications.

Frequently Asked Questions (FAQ)

Q: Can MIC4423YWM-TR replace TC4423EOE in existing designs?

A: Yes. Both parts are electrically equivalent across all critical gate driver parameters including supply voltage, output current, input type, and operating temperature range. The parts are pin-compatible in 16-SOIC packaging and require no circuit modifications.

Q: What is the difference between tube and tape & reel packaging?

A: Tube packaging contains loose components suitable for manual handling and lower-volume assembly. Tape & reel packaging presents components in continuous strips for automated pick-and-place assembly equipment. Both formats contain identical die and electrical specifications.

Q: Are the rise and fall time differences significant?

A: The timing differences (TC4423EOE: 23ns/25ns versus MIC4423YWM-TR: 28ns/32ns) represent approximately 20% variation. For most gate driver applications operating in the microsecond switching range, these nanosecond-level differences do not impact circuit performance or MOSFET switching characteristics.

Q: What does MSL rating mean for component selection?

A: Moisture Sensitivity Level (MSL) specifies storage and handling requirements. MSL 1 allows unlimited shelf life in standard conditions. MSL 2 requires use within one year of manufacture date. This affects procurement timing and inventory rotation but does not affect electrical performance once the component is soldered into a circuit.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both TC4423EOE and MIC4423YWM-TR operate across -40°C to 150°C junction temperature range, supporting industrial and automotive temperature requirements.

Q: Can these parts be used interchangeably in production?

A: Yes, provided your assembly process accommodates the packaging format. Automated assembly lines typically use tape & reel (MIC4423YWM-TR), while manual or semi-automated processes may use tube packaging (TC4423EOE). No design changes are required for electrical substitution.