MAX4420CSA Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The MAX4420CSA is a low-side gate driver IC manufactured by Analog Devices Inc./Maxim Integrated, designed for driving N-Channel and P-Channel MOSFETs in 8-SOIC surface mount packaging. This part is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and production continuity. The MAX4420CSA operates with a supply voltage range of 4.5V to 18V and delivers 6A peak output current (source and sink), making it suitable for power management applications requiring reliable gate drive signals.

Substiute Parts

MAX4420CSA

Analog Devices Inc./Maxim IntegratedIn Stock: 5759MAX4420CSA Datasheet

Current PartRFQ

MAX4420CSA+

Analog Devices Inc./Maxim IntegratedIn Stock: 6006MAX4420CSA+ Datasheet

DirectRFQ

MIC4420YM

Microchip TechnologyIn Stock: 5529MIC4420YM Datasheet

MFR RecommendedRFQ

MIC4420YM-TR

Microchip TechnologyIn Stock: 7213MIC4420YM-TR Datasheet

MFR RecommendedRFQ

MIC4420ZM

Microchip TechnologyIn Stock: 6307MIC4420ZM Datasheet

MFR RecommendedRFQ

MIC4420ZM-TR

Microchip TechnologyIn Stock: 3260MIC4420ZM-TR Datasheet

MFR RecommendedRFQ

TC4420COA

Microchip TechnologyIn Stock: 15554TC4420COA Datasheet

MFR RecommendedRFQ

TC4420COA713

Microchip TechnologyIn Stock: 4450TC4420COA713 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MAX4420CSA is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Low-Side
• Channel Type: Single
• 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): 6A, 6A
• Input Type: Non-Inverting
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

Substitute parts are grouped into two categories: direct manufacturer equivalents from Analog Devices Inc./Maxim Integrated, and cross-manufacturer alternatives from Microchip Technology. All substitute parts maintain identical electrical specifications and package footprint compatibility with the original MAX4420CSA, ensuring direct board-level replacement capability.

Parameter Comparison

Engineering Selection Recommendations

For applications currently using the obsolete MAX4420CSA, the following selection criteria apply based on product status and regulatory compliance:

Direct Manufacturer Equivalent: MAX4420CSA+ is the active equivalent from Analog Devices Inc./Maxim Integrated, maintaining identical electrical specifications and operating temperature range (0°C ~ 70°C). This part achieves ROHS3 compliance, addressing the RoHS non-compliance limitation of the original MAX4420CSA. The MAX4420CSA+ is available in Tube packaging and represents the lowest-risk substitution path for existing designs.

Cross-Manufacturer Alternatives: Microchip Technology offers four active substitute options within the MIC4420 and TC4420 product families. The MIC4420YM and MIC4420YM-TR variants provide extended operating temperature range (-40°C ~ 150°C junction temperature) with faster rise/fall times (12ns, 13ns) compared to the original 25ns specification. The MIC4420ZM and MIC4420ZM-TR variants operate across 0°C ~ 150°C junction temperature with identical fast switching characteristics. The TC4420COA and TC4420COA713 maintain the original 25ns rise/fall time specification while supporting 0°C ~ 150°C junction temperature operation. All Microchip alternatives achieve ROHS3 compliance and are available in multiple packaging formats (Tube, Cut Tape & Digi-Reel, Tape & Reel).

Selection between MIC4420 and TC4420 families depends on switching speed requirements: MIC4420 variants deliver faster switching performance suitable for high-frequency applications, while TC4420 variants match the original switching speed for direct behavioral compatibility.

Frequently Asked Questions (FAQ)

Q: Can MAX4420CSA+ directly replace MAX4420CSA on existing PCBs?

A: Yes. The MAX4420CSA+ maintains identical electrical specifications, logic thresholds, output current ratings, and 8-SOIC package footprint. The primary differences are product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant). No circuit modifications are required.

Q: What is the difference between MIC4420YM and MIC4420ZM?

A: Both variants share identical electrical specifications and 12ns/13ns rise/fall times. The primary difference is operating temperature range: MIC4420YM operates -40°C ~ 150°C (junction temperature), while MIC4420ZM operates 0°C ~ 150°C (junction temperature). Selection depends on application temperature requirements.

Q: How do MIC4420 and TC4420 families differ?

A: Both families are manufactured by Microchip Technology and maintain the same supply voltage, logic thresholds, and output current specifications as the MAX4420CSA. The key difference is switching speed: MIC4420 variants feature 12ns/13ns rise/fall times, while TC4420 variants maintain the original 25ns specification. Electrical functionality and pin compatibility are identical.

Q: Are all substitute parts available in the same packaging options?

A: No. Packaging availability varies by part number. MAX4420CSA+ is available in Tube. MIC4420YM is available in Tube; MIC4420YM-TR is available in Cut Tape & Digi-Reel. MIC4420ZM is available in Tube; MIC4420ZM-TR is available in Tape & Reel. TC4420COA is available in Tube; TC4420COA713 is available in Cut Tape & Digi-Reel. Select the part number matching your required packaging format.

Q: Do all substitute parts meet RoHS compliance requirements?

A: Yes. All active substitute parts (MAX4420CSA+, MIC4420YM, MIC4420YM-TR, MIC4420ZM, MIC4420ZM-TR, TC4420COA, TC4420COA713) are ROHS3 compliant. The original MAX4420CSA is RoHS non-compliant.

Q: What is the inventory status of substitute parts?

A: All substitute parts are in active production with current inventory availability: MAX4420CSA+ (5904 Pcs), MIC4420YM (5511 Pcs), MIC4420YM-TR (7116 Pcs), MIC4420ZM (6255 Pcs), MIC4420ZM-TR (3228 Pcs), TC4420COA (15501 Pcs), TC4420COA713 (4430 Pcs).