MIC4422ACM Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The MIC4422ACM is a low-side gate driver IC manufactured by Microchip Technology, designed for driving N-channel MOSFETs in power management applications. This non-inverting single-channel driver operates across a 4.5V to 18V supply range with 9A peak output current capability. The MIC4422ACM is currently discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for ongoing design support and production continuity.

Substiute Parts

MIC4422ACM

Microchip TechnologyIn Stock: 1004MIC4422ACM Datasheet

Current PartRFQ

MIC4422AZM

Microchip TechnologyIn Stock: 6672MIC4422AZM Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MIC4422ACM is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Low-Side only
• Channel Type: Single channel
• Gate Type: N-Channel MOSFET
• Input Type: Non-Inverting
• Voltage - Supply: 4.5V ~ 18V
• Current - Peak Output: 9A source and sink capability
• Logic Voltage Thresholds: VIL 0.8V, VIH 3V
• Rise / Fall Time: 20ns / 24ns typical
• Operating Temperature Range: 0°C ~ 150°C (TJ)
• Package / Case: 8-SOIC form factor
• Mounting Type: Surface Mount

The MIC4422AZM qualifies as a direct substitute based on identical electrical specifications and mechanical compatibility across all parameters listed above.

Parameter Comparison

Engineering Selection Recommendations

The MIC4422AZM is a direct functional and mechanical equivalent to the MIC4422ACM. Both parts share identical electrical specifications, pin configuration, and package form factor, enabling direct substitution in existing designs without circuit modification.

The MIC4422AZM offers the additional advantage of active product status, ensuring continued availability and supply chain reliability. The MIC4422AZM also meets ROHS3 compliance requirements, whereas the MIC4422ACM is RoHS non-compliant. For new designs or production continuity, the MIC4422AZM is the appropriate selection.

Both parts maintain identical REACH and ECCN classifications (REACH Unaffected, EAR99), and both carry MSL Level 1 (Unlimited) moisture sensitivity ratings.

Frequently Asked Questions (FAQ)

Q: Can the MIC4422AZM be used as a direct replacement for the MIC4422ACM?

A: Yes. The MIC4422AZM is electrically and mechanically identical to the MIC4422ACM across all specified parameters, including supply voltage range, output current capability, logic thresholds, timing characteristics, and 8-SOIC package dimensions. No circuit redesign is required.

Q: What is the primary difference between these two parts?

A: The MIC4422ACM is discontinued, while the MIC4422AZM maintains active product status. Additionally, the MIC4422AZM is ROHS3 compliant, whereas the MIC4422ACM is RoHS non-compliant. The packaging format differs (Bulk vs. Tube), but electrical and functional specifications are identical.

Q: Are there any pin configuration differences between MIC4422ACM and MIC4422AZM?

A: No. Both parts use the 8-SOIC package with identical pin assignments and functionality. PCB layout and schematic connections require no modification.

Q: What supply voltage range do these gate drivers support?

A: Both the MIC4422ACM and MIC4422AZM operate across a 4.5V to 18V supply voltage range, accommodating a wide variety of power management topologies.

Q: What is the peak output current capability?

A: Both parts deliver 9A peak source and 9A peak sink current, enabling rapid gate charge delivery to N-channel MOSFETs in low-side switching applications.

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

A: Both parts are rated for operation across 0°C to 150°C junction temperature range, supporting standard industrial and automotive thermal environments within this specification.