IXDN504SIA Low-Side Gate Driver IC Equivalent & Substitute Parts

Part Overview

The IXDN504SIA is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET devices in power management applications. This component features independent dual-channel configuration with 4A peak output current capability and operates across a 4.5V to 30V supply voltage range. The part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional compatibility while meeting the electrical and mechanical constraints of the application.

Key Parameters

Parameter	IXDN504SIA
Driven Configuration	Low-Side
Channel Type	Independent
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

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Driven Configuration: Must be Low-Side
Channel Type: Must be Independent
Number of Drivers: Must be 2
Input Type: Must be Non-Inverting
Package / Case: Must be 8-SOIC form factor (0.154", 3.90mm Width)
Mounting Type: Must be Surface Mount

Secondary parameters that define functional compatibility include supply voltage range, logic voltage thresholds, peak output current, rise/fall time characteristics, and operating temperature range. Substitute parts are grouped based on their ability to meet or exceed the primary electrical specifications while maintaining the same package footprint and pin configuration.

Parameter Comparison

Parameter	IXDN504SIA	IXDN602SIA	IXDN602SIATR	IXDN604SIA	ADP3654ARDZ-RL	MAX627CSA+	MAX627ESA+
Manufacturer	IXYS	IXYS ICD	IXYS ICD	IXYS ICD	Analog Devices	Analog Devices/Maxim	Analog Devices/Maxim
Driven Configuration	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side	Low-Side
Number of Drivers	2	2	2	2	2	2	2
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	N-Channel MOSFET	N-Channel, P-Channel MOSFET	N-Channel, P-Channel MOSFET
Voltage - Supply	4.5V ~ 30V	4.5V ~ 35V	4.5V ~ 35V	4.5V ~ 35V	4.5V ~ 18V	4.5V ~ 18V	4.5V ~ 18V
Logic Voltage - VIL, VIH	0.8V, 3V	0.8V, 3V	0.8V, 3V	0.8V, 3V	0.8V, 2V	0.8V, 2.4V	0.8V, 2.4V
Current - Peak Output (Source, Sink)	4A, 4A	2A, 2A	2A, 2A	4A, 4A	4A, 4A	2A, 2A	2A, 2A
Input Type	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting	Non-Inverting
Rise / Fall Time (Typ)	9ns, 8ns	7.5ns, 6.5ns	7.5ns, 6.5ns	9ns, 8ns	10ns, 10ns	25ns, 20ns	25ns, 20ns
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TJ)	0°C ~ 70°C (TA)	-40°C ~ 85°C (TA)
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC-EP	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (4A Output Current, Matching Rise/Fall Time)

IXDN604SIA is the closest functional equivalent, offering identical 4A peak output current and 9ns/8ns rise/fall time characteristics. This part maintains the same gate type support (IGBT, N-Channel, P-Channel MOSFET) and operates across 4.5V to 35V supply range. IXDN604SIA is active and RoHS3 compliant, making it suitable for new designs requiring the original performance envelope.

Compatible Substitutes (Reduced Output Current)

IXDN602SIA, IXDN602SIATR, and IXDN602SI provide functional substitution with reduced peak output current (2A vs. 4A). These parts maintain the same gate type support, logic voltage thresholds (0.8V, 3V), and extended operating temperature range (-55°C to 150°C). The faster rise/fall time (7.5ns/6.5ns) offers improved switching performance. All IXDN602 variants are active and RoHS3 compliant.

Alternative Substitutes (Restricted Supply Voltage)

ADP3654ARDZ-RL and MAX627 series parts (CSA+, CSA+T, ESA+, ESA+T) are compatible substitutes with supply voltage limited to 4.5V to 18V. These parts support 2A peak output current and maintain non-inverting input configuration. ADP3654ARDZ-RL provides 4A output current within its voltage constraints. MAX627 variants feature slower switching characteristics (25ns/20ns rise/fall time) and narrower operating temperature ranges. All are active and RoHS3 compliant.

Selection Criteria

For applications requiring 4A output current and extended supply voltage (up to 30V): IXDN604SIA
For applications tolerating 2A output current with extended supply voltage (up to 35V): IXDN602 series
For applications with supply voltage limited to 18V: ADP3654ARDZ-RL or MAX627 series
For high-temperature applications (-55°C to 150°C): IXDN602 or IXDN604 series
For standard industrial temperature range (0°C to 70°C): MAX627CSA+ or MAX627CSA+T

Frequently Asked Questions (FAQ)

Q: Can IXDN602SIA replace IXDN504SIA in all applications?

A: IXDN602SIA is functionally compatible for applications where 2A peak output current is sufficient. The original IXDN504SIA provides 4A output current. If the application requires 4A drive capability, IXDN602SIA is not suitable. IXDN604SIA maintains the 4A specification and is the preferred direct replacement.

Q: What is the difference between IXDN602SIA and IXDN602SIATR?

A: Both parts are electrically identical. The difference is packaging: IXDN602SIA is supplied in Tube packaging, while IXDN602SIATR is supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on assembly process requirements and inventory management preferences.

Q: Why do MAX627 parts have slower rise/fall times?

A: MAX627 series components feature 25ns/20ns rise/fall times compared to 9ns/8ns for IXDN504SIA. This slower switching characteristic is inherent to the MAX627 design and may impact switching frequency performance in high-speed applications. Applications with switching frequency constraints should verify compatibility before substitution.

Q: Can I use ADP3654ARDZ-RL if my supply voltage exceeds 18V?

A: No. ADP3654ARDZ-RL is rated for 4.5V to 18V supply voltage. Operation beyond 18V will exceed device specifications and may cause failure. For applications requiring supply voltages above 18V, use IXDN602 or IXDN604 series parts rated to 35V.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed (IXDN602, IXDN604, ADP3654ARDZ-RL, MAX627 series) are RoHS3 compliant. The original IXDN504SIA compliance status is not specified in available documentation.

Q: What is the significance of the 8-SOIC-EP package variant?

A: The 8-SOIC-EP designation indicates an exposed pad version of the 8-SOIC package. This provides improved thermal dissipation compared to standard 8-SOIC. Parts with -EP designation (ADP3654ARDZ-RL, IXDN602SITR) are pin-compatible with standard 8-SOIC but offer enhanced thermal performance. The exposed pad should be connected to ground for optimal heat transfer.

Q: Which substitute part has the widest operating temperature range?

A: IXDN602SIA, IXDN602SIATR, and IXDN602SI all operate from -55°C to 150°C (TJ), matching the original IXDN504SIA temperature range. IXDN604SIA operates from -40°C to 125°C (TA), which is narrower. MAX627 and ADP3654ARDZ-RL have the most restricted temperature ranges (0°C to 70°C and -40°C to 125°C respectively).

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