IXDN504SIAT/R Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDN504SIAT/R is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET devices in power management applications. This 8-SOIC surface mount device operates with a supply voltage range of 4.5V to 30V and delivers peak output currents of 4A source and 4A sink. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and design continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	IXDN504SIAT/R
Manufacturer	IXYS
Category	Power Management (PMIC)
Description	IC GATE DRVR LOW-SIDE 8SOIC
Driven Configuration	Low-Side
Number of Drivers	2
Gate Type	IGBT, N-Channel, P-Channel MOSFET
Voltage - Supply	4.5V ~ 30V
Logic Voltage - VIL, VIH	0.8V, 3V
Current - Peak Output (Source, Sink)	4A, 4A
Input Type	Non-Inverting
Rise / Fall Time (Typ)	9ns, 8ns
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the IXDN504SIAT/R is determined by the following critical parameters:

Driven Configuration: Must be Low-Side
Number of Drivers: Must be 2
Input Type: Must be Non-Inverting
Package / Case: Must be 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Must be Surface Mount
Gate Type: Must support IGBT and/or N-Channel and P-Channel MOSFET
Voltage - Supply: Must encompass or match the 4.5V ~ 30V range
Logic Voltage (VIL, VIH): Must be compatible with 0.8V and 3V thresholds
Current - Peak Output: Must meet or exceed 4A source and 4A sink capability
Operating Temperature: Must cover -55°C ~ 150°C range

Substitute parts are grouped into two categories based on these criteria:

Category A - Full Compatibility (All Parameters Match or Exceed): IXDN602SIATR, IXDN602SIA, IXDN602SI, IXDN602SITR

Category B - Partial Compatibility (Some Parameters Differ): ADP3654ARDZ-RL, MAX5056BASA+, UCC27324D, UCC27324DR, UCC37324D, UCC37324DR

Parameter Comparison

Parameter	IXDN504SIAT/R	IXDN602SIATR	IXDN602SIA	IXDN602SI	IXDN602SITR	ADP3654ARDZ-RL	MAX5056BASA+	UCC27324D	UCC27324DR	UCC37324D	UCC37324DR
Driven Configuration	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side
Number of Drivers	2	2	2	2	2	2	2	2	2	2	2
Input Type	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC-EP	8-SOIC-EP	8-SOIC-EP	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Voltage - Supply	4.5V ~ 30V	4.5V ~ 35V	4.5V ~ 35V	4.5V ~ 35V	4.5V ~ 35V	4.5V ~ 18V	4V ~ 15V	4.5V ~ 15V	4.5V ~ 15V	4.5V ~ 15V	4.5V ~ 15V
Logic Voltage - VIL, VIH	0.8V, 3V	0.8V, 3V	0.8V, 3V	0.8V, 3V	0.8V, 3V	0.8V, 2V	0.8V, 2.1V	1V, 2V	1V, 2V	1V, 2V	1V, 2V
Current - Peak Output (Source, Sink)	4A, 4A	2A, 2A	2A, 2A	2A, 2A	2A, 2A	4A, 4A	4A, 4A	4A, 4A	4A, 4A	4A, 4A	4A, 4A
Rise / Fall Time (Typ)	9ns, 8ns	7.5ns, 6.5ns	7.5ns, 6.5ns	7.5ns, 6.5ns	7.5ns, 6.5ns	10ns, 10ns	32ns, 26ns	20ns, 15ns	20ns, 15ns	20ns, 15ns	20ns, 15ns
Operating Temperature	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-40°C ~ 125°C	-40°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Gate Type	IGBT, N-Channel, P-Channel MOSFET	IGBT, N-Channel, P-Channel MOSFET	IGBT, N-Channel, P-Channel MOSFET	IGBT, N-Channel, P-Channel MOSFET	IGBT, N-Channel, P-Channel MOSFET	N-Channel MOSFET	N-Channel MOSFET	N-Channel, P-Channel MOSFET	N-Channel, P-Channel MOSFET	N-Channel, P-Channel MOSFET	N-Channel, P-Channel MOSFET
Product Status	Obsolete	Active	Active	Active	Active	Active	Not For New Designs	Last Time Buy	Active	Last Time Buy	Active
RoHS Status	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Recommended for New Designs):

IXDN602SIATR and UCC27324DR are the preferred substitutes. Both are in active product status with ROHS3 compliance and MSL 1 rating. IXDN602SIATR maintains full compatibility with gate type support (IGBT, N-Channel, P-Channel MOSFET) and extended supply voltage range (4.5V ~ 35V). UCC27324DR provides active status with equivalent 4A output current capability and full temperature range coverage (-55°C ~ 150°C).

Secondary Substitutes (Active Status):

IXDN602SIA and IXDN602SI offer active product status with identical electrical characteristics to IXDN602SIATR, differing only in packaging format (Tube vs. Cut Tape/Digi-Reel vs. Tape & Reel). UCC37324DR provides active status with equivalent performance to UCC27324DR.

Limited Availability Substitutes:

ADP3654ARDZ-RL is active but has reduced supply voltage range (4.5V ~ 18V) and lower operating temperature minimum (-40°C vs. -55°C). MAX5056BASA+ is classified as Not For New Designs and has significantly slower rise/fall times (32ns/26ns). UCC27324D and UCC37324D are Last Time Buy status, indicating limited future availability.

Compliance Considerations:

All substitute parts maintain REACH Unaffected status and ECCN EAR99 classification, matching the original part's regulatory profile. ROHS3 compliance is universal across all substitutes, ensuring environmental regulation adherence.

Frequently Asked Questions (FAQ)

Q: Can IXDN602SIATR directly replace IXDN504SIAT/R in existing designs?

A: IXDN602SIATR is electrically compatible in terms of driven configuration, number of drivers, input type, and package footprint. However, the peak output current is reduced from 4A to 2A. Applications requiring the full 4A output capability must use alternatives such as UCC27324DR or UCC37324DR.

Q: What is the primary difference between IXDN602SIATR, IXDN602SIA, and IXDN602SI?

A: These parts are electrically identical. The differences are packaging format: IXDN602SIATR is supplied in Cut Tape & Digi-Reel format, IXDN602SIA in Tube, and IXDN602SI in Tube with an exposed pad variant (8-SOIC-EP). Select based on procurement and assembly requirements.

Q: Why do UCC27324D and UCC37324D have Last Time Buy status?

A: Last Time Buy status indicates these parts are being discontinued. While currently available, future procurement may be limited. For new designs, select UCC27324DR or UCC37324DR, which maintain active status.

Q: Is ADP3654ARDZ-RL suitable for applications requiring 30V supply voltage?

A: No. ADP3654ARDZ-RL has a maximum supply voltage of 18V, compared to the original part's 30V. Applications operating above 18V must use IXDN602 series or UCC series alternatives.

Q: What is the impact of different logic voltage thresholds (VIL, VIH)?

A: The original IXDN504SIAT/R has VIL/VIH of 0.8V/3V. Substitutes with lower thresholds (such as UCC27324 series at 1V/2V) may require signal conditioning in systems designed for the original part's higher threshold. IXDN602 series maintains identical 0.8V/3V thresholds, eliminating this concern.

Q: Can I use MAX5056BASA+ as a substitute?

A: MAX5056BASA+ meets the basic functional requirements but has significant limitations: Not For New Designs status, slower switching times (32ns/26ns vs. 9ns/8ns), and reduced supply voltage range (4V ~ 15V). It is not recommended for new applications.

Q: What packaging considerations apply when switching from IXDN504SIAT/R to IXDN602SI?

A: IXDN602SI uses an 8-SOIC-EP (exposed pad) package versus the standard 8-SOIC of the original part. The exposed pad provides improved thermal performance but requires PCB layout modifications to accommodate the additional pad. Standard 8-SOIC variants (IXDN602SIA, IXDN602SIATR) maintain identical footprints to the original part.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, ensuring compatibility with environmental regulations and procurement standards that require RoHS compliance.

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