TC4422EMF Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The TC4422EMF is an active, low-side gate driver IC manufactured by Microchip Technology, designed for driving IGBT, N-Channel, and P-Channel MOSFET gates in power management applications. This non-inverting single-channel driver operates across a 4.5V to 18V supply range and is packaged in an 8-VDFN surface-mount configuration with exposed pad. The part is ROHS3 compliant and carries unlimited moisture sensitivity rating (MSL 1), making it suitable for industrial and commercial power conversion circuits. Substitute parts are identified when electrical performance parameters and mechanical compatibility remain within acceptable operational tolerances for the target application.

Substiute Parts

TC4422EMF

Microchip TechnologyIn Stock: 833TC4422EMF Datasheet

Current PartRFQ

TC4422AVMF

Microchip TechnologyIn Stock: 1690TC4422AVMF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC4422EMF is determined by strict alignment across the following critical parameters:

• Driven Configuration: Must be Low-Side
• Channel Type: Must be Single
• Gate Type: Must support IGBT, N-Channel, and P-Channel MOSFET
• Input Type: Must be Non-Inverting
• Package / Case: Must be 8-VDFN Exposed Pad
• Mounting Type: Must be Surface Mount
• Supply Voltage Range: Must encompass or match 4.5V ~ 18V
• Logic Voltage Thresholds: Must match VIL 0.8V and VIH 2.4V
• Operating Temperature Range: Must match or exceed -40°C ~ 150°C (TJ)
• Compliance: Must maintain ROHS3 and MSL 1 status

The TC4422AVMF qualifies as a direct substitute based on identical compliance with all mandatory parameters. Performance enhancements in peak output current (10A vs. 9A) and switching speed (38ns/33ns vs. 60ns/60ns rise/fall time) represent improvements that do not compromise backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both TC4422EMF and TC4422AVMF are Active product status parts from Microchip Technology with identical ROHS3 compliance and MSL 1 certification. The TC4422AVMF offers enhanced electrical performance with 10A peak output current capability and faster switching transitions (38ns/33ns) compared to the TC4422EMF (9A, 60ns/60ns). Both parts maintain full compatibility with the same supply voltage range, logic thresholds, and operating temperature specifications. Selection between these parts depends on application-specific requirements for output current capacity and switching speed performance within the same mechanical and thermal envelope.

Frequently Asked Questions (FAQ)

Q: Can TC4422AVMF replace TC4422EMF in existing designs?

A: Yes. The TC4422AVMF is a direct substitute with identical package, pinout, supply voltage range, logic thresholds, and operating temperature specifications. The enhanced peak output current (10A vs. 9A) and faster switching times represent performance improvements that maintain backward compatibility.

Q: Are there any package or pinout differences between these parts?

A: No. Both parts use the 8-VDFN Exposed Pad surface-mount package with identical mechanical and electrical pinout specifications.

Q: Do both parts support the same gate types?

A: Yes. Both TC4422EMF and TC4422AVMF are rated to drive IGBT, N-Channel, and P-Channel MOSFET gates with identical non-inverting input logic.

Q: What is the significance of the faster rise/fall times in TC4422AVMF?

A: The TC4422AVMF exhibits faster switching transitions (38ns/33ns vs. 60ns/60ns). This reduces gate charge delivery time and may improve overall power conversion efficiency in high-frequency switching applications, provided the circuit design accommodates the faster edge rates.

Q: Are compliance certifications identical?

A: Yes. Both parts carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring equivalent environmental and regulatory qualification status.

Q: What supply voltage range do these parts support?

A: Both parts operate across 4.5V to 18V supply range, supporting standard 5V, 12V, and 15V gate driver supply configurations.