MIC4424BWM Equivalent & Substitute Parts

Part Overview

The MIC4424BWM is a low-side gate driver IC manufactured by Microchip Technology, designed for independent dual-channel N-Channel and P-Channel MOSFET gate driving applications. This device operates with a non-inverting input configuration and is housed in a 16-SOIC surface mount package.

The MIC4424BWM is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Category	Power Management (PMIC)
Description	IC GATE DRVR LOW-SIDE 16SOIC
Driven Configuration	Low-Side
Channel Type	Independent
Number of Drivers	2
Gate Type	N-Channel, P-Channel MOSFET
Voltage - Supply	4.5V ~ 18V
Logic Voltage - VIL, VIH	0.8V, 2.4V
Current - Peak Output (Source, Sink)	3A, 3A
Input Type	Non-Inverting
Operating Temperature	-40°C ~ 150°C (TJ)
Package / Case	16-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution eligibility for the MIC4424BWM is determined by the following critical parameters:

Driven Configuration: Low-Side
Channel Type: Independent
Number of Drivers: 2
Gate Type: N-Channel, P-Channel MOSFET
Voltage - Supply: 4.5V ~ 18V
Logic Voltage - VIL, VIH: 0.8V, 2.4V
Current - Peak Output (Source, Sink): 3A, 3A
Input Type: Non-Inverting
Package / Case: 16-SOIC (0.295", 7.50mm Width)

All substitute parts listed maintain these core electrical and mechanical specifications. Variations in rise/fall time, operating temperature range, product status, and compliance certifications are noted in the parameter comparison table.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Peak Output (Source, Sink)	Rise / Fall Time (Typ)	Operating Temperature	Package / Case	RoHS Status	Packaging Type
MIC4424BWM	Microchip Technology	Obsolete	4.5V ~ 18V	3A, 3A	28ns, 32ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	RoHS non-compliant	-
MIC4424YWM	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	28ns, 32ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	Tube
TC4424EOE	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	23ns, 25ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	-
TC4424EOE713	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	23ns, 25ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	Tape & Reel (TR)
TC4424VOE	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	23ns, 25ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	Tube
TC4424VOE713	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	23ns, 25ns	-40°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	Tape & Reel (TR)
TC4424COE	Microchip Technology	Active	4.5V ~ 18V	3A, 3A	23ns, 25ns	0°C ~ 150°C	16-SOIC (0.295", 7.50mm Width)	ROHS3 Compliant	Tube

Engineering Selection Recommendations

Direct Replacement (Identical Electrical Performance): MIC4424YWM is the active equivalent to MIC4424BWM, maintaining identical rise/fall time specifications (28ns, 32ns) and operating temperature range (-40°C ~ 150°C). This part is ROHS3 compliant and available in Tube packaging, making it the primary substitute for obsolete MIC4424BWM applications.

Functional Equivalents (Improved Performance): TC4424EOE, TC4424EOE713, TC4424VOE, TC4424VOE713, and TC4424COE are all active Microchip Technology gate driver ICs with identical electrical specifications except for improved rise/fall time performance (23ns, 25ns versus 28ns, 32ns). All are ROHS3 compliant. TC4424COE operates over a narrower temperature range (0°C ~ 150°C) compared to the original specification (-40°C ~ 150°C).

Packaging Considerations:

Tube packaging: MIC4424YWM, TC4424VOE, TC4424COE
Tape & Reel (TR) packaging: TC4424EOE713, TC4424VOE713
Unspecified packaging: TC4424EOE

All substitute parts are housed in the same 16-SOIC (0.295", 7.50mm Width) package and are surface mount compatible with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can MIC4424YWM directly replace MIC4424BWM? A: Yes. MIC4424YWM is functionally identical to MIC4424BWM with matching electrical specifications, operating temperature range, and rise/fall time performance. The primary difference is that MIC4424YWM is active and ROHS3 compliant, whereas MIC4424BWM is obsolete and RoHS non-compliant.

Q: What is the difference between TC4424 variants (EOE, VOE, COE)? A: All TC4424 variants maintain identical electrical specifications for gate driving performance. TC4424COE operates over a narrower temperature range (0°C ~ 150°C) compared to TC4424EOE and TC4424VOE (-40°C ~ 150°C). The suffix designations (EOE, VOE, COE) indicate different temperature grades and packaging options from Microchip Technology.

Q: Do the improved rise/fall times of TC4424 parts affect circuit compatibility? A: TC4424 parts exhibit faster rise/fall times (23ns, 25ns) compared to MIC4424BWM (28ns, 32ns). Faster switching transitions may reduce EMI in some applications but do not affect functional compatibility. Circuit validation is necessary if EMI performance is a design constraint.

Q: What is the difference between TC4424EOE713 and TC4424EOE? A: TC4424EOE713 is supplied in Tape & Reel (TR) packaging, while TC4424EOE packaging is unspecified. Both parts are electrically identical. Selection depends on assembly process requirements and volume considerations.

Q: Are all substitute parts RoHS compliant? A: MIC4424YWM and all TC4424 variants (EOE, EOE713, VOE, VOE713, COE) are ROHS3 compliant. The original MIC4424BWM is RoHS non-compliant.

Q: Can I use TC4424COE in applications requiring -40°C operation? A: No. TC4424COE operates from 0°C ~ 150°C and is not suitable for applications requiring -40°C minimum operating temperature. Use MIC4424YWM, TC4424EOE, TC4424EOE713, TC4424VOE, or TC4424VOE713 for full -40°C ~ 150°C temperature range support.

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