UCC27424DRG4 Equivalent & Substitute Parts

Part Overview

The UCC27424DRG4 is a low-side gate driver IC manufactured by Texas Instruments, designed for independent control of N-Channel and P-Channel MOSFETs in 8-SOIC surface mount packaging. This part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The device operates across a 4V to 15V supply range with dual independent driver channels and non-inverting input configuration.

Substiute Parts

UCC27424DRG4

Texas InstrumentsIn Stock: 9808UCC27424DRG4 Datasheet

Current PartRFQ

UCC27424DR

Texas InstrumentsIn Stock: 130417UCC27424DR Datasheet

MFR RecommendedRFQ

MIC4424YM

Microchip TechnologyIn Stock: 22631MIC4424YM Datasheet

MFR RecommendedRFQ

MIC4424YM-TR

Microchip TechnologyIn Stock: 42661MIC4424YM-TR Datasheet

MFR RecommendedRFQ

MIC4427YM

Microchip TechnologyIn Stock: 17690MIC4427YM Datasheet

MFR RecommendedRFQ

MIC4427YM-TR

Microchip TechnologyIn Stock: 1921MIC4427YM-TR Datasheet

MFR RecommendedRFQ

MIC4427ZM

Microchip TechnologyIn Stock: 1236MIC4427ZM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UCC27424DRG4 is determined by the following critical parameters:

• Package / Case: Must be 8-SOIC (0.154", 3.90mm Width) for mechanical compatibility
• Driven Configuration: Must be Low-Side
• Number of Drivers: Must be 2 independent channels
• Gate Type: Must support N-Channel and P-Channel MOSFET control
• Input Type: Must be Non-Inverting
• Mounting Type: Must be Surface Mount

Secondary parameters that define functional compatibility include supply voltage range, logic voltage thresholds, peak output current capability, and operating temperature range. Parts meeting all primary criteria are considered direct substitutes, with performance variations noted in secondary parameters.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: UCC27424DR

The UCC27424DR is the direct equivalent to the UCC27424DRG4, manufactured by Texas Instruments with identical electrical specifications and package configuration. This part is currently in active production status with substantial inventory availability (130,400 pcs). The UCC27424DR differs only in packaging format (Cut Tape & Digi-Reel versus the original Digi-Reel configuration) and maintains full compatibility with existing designs. This is the preferred substitute for applications requiring no design modifications.

Secondary Substitutes: MIC4424YM and MIC4424YM-TR

The MIC4424 series from Microchip Technology provides functional substitution with compatible package, configuration, and gate type. These parts operate across a wider supply voltage range (4.5V to 18V) and support extended operating temperatures to 150°C. Peak output current is reduced to 3A per channel compared to the original 4A specification. Rise and fall times are slightly slower (28ns and 32ns respectively). These substitutes are suitable for applications where the reduced current capability and extended temperature range do not conflict with design requirements.

Tertiary Substitutes: MIC4427YM, MIC4427YM-TR, and MIC4427ZM

The MIC4427 series offers compatible package and configuration with further reduced peak output current (1.5A per channel). These parts maintain the same rise time as the original (20ns) but exhibit slower fall time (29ns). The MIC4427ZM variant operates across a narrower temperature range (0°C to 150°C) compared to other MIC4427 options. These substitutes are applicable only in applications where 1.5A peak output current is sufficient.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the UCC27424DR be used as a direct replacement for the UCC27424DRG4?

A: Yes. The UCC27424DR is electrically and functionally identical to the UCC27424DRG4. The only difference is packaging format. Both parts are manufactured by Texas Instruments with identical electrical specifications, operating temperature range, and performance characteristics. No design modifications are required.

Q: What is the key difference between the MIC4424 and MIC4427 series?

A: The primary difference is peak output current capability. The MIC4424 series provides 3A per channel, while the MIC4427 series provides 1.5A per channel. Both series maintain compatible package, configuration, and non-inverting input type. Selection depends on the gate drive current requirements of your specific MOSFET application.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All substitute parts use the 8-SOIC package with identical pin configuration and spacing (0.154" width, 3.90mm). PCB layout modifications are not required for any of the listed substitutes.

Q: What is the impact of the extended supply voltage range in Microchip parts?

A: Microchip MIC4424 and MIC4427 series support 4.5V to 18V supply voltage compared to the original 4V to 15V range. This extended range provides greater design flexibility for applications operating at higher supply voltages. The parts remain fully functional within the original 4V to 15V range.

Q: Does the MIC4427ZM have different temperature specifications?

A: Yes. The MIC4427ZM operates from 0°C to 150°C, while other MIC4427 variants (YM and YM-TR) operate from -40°C to 150°C. The MIC4427ZM is not suitable for applications requiring operation below 0°C.

Q: How do logic voltage thresholds differ between substitutes?

A: The original UCC27424DRG4 has logic thresholds of VIL = 1V and VIH = 2V. All Microchip substitutes have VIL = 0.8V and VIH = 2.4V. These differences may affect input signal compatibility depending on your control circuit design. Verify that your input signal levels meet the selected part's threshold specifications.

Q: What packaging options are available for each substitute?

A: UCC27424DR is available in Cut Tape & Digi-Reel format. MIC4424YM is available in Tube packaging. MIC4424YM-TR is available in Cut Tape & Digi-Reel format. MIC4427YM is available in Tube packaging. MIC4427YM-TR is available in Cut Tape & Digi-Reel format. MIC4427ZM is available in Tube packaging. Select the packaging format that matches your procurement and assembly requirements.