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IXDN404SI Low-Side Gate Driver IC Equivalent & Substitute Parts
Part Overview
The IXDN404SI is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET gates in power management applications. This device operates with a supply voltage range of 4.5V to 35V and delivers peak output currents of 4A (source and sink). The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | IXDN404SI |
|---|---|
| Manufacturer | IXYS |
| Product Status | Obsolete |
| Driven Configuration | Low-Side |
| Number of Drivers | 2 |
| Gate Type | IGBT, N-Channel, P-Channel MOSFET |
| Voltage - Supply | 4.5V ~ 35V |
| Logic Voltage - VIL, VIH | 0.8V, 2.5V |
| Current - Peak Output (Source, Sink) | 4A, 4A |
| Input Type | Non-Inverting |
| Rise / Fall Time (Typ) | 16ns, 13ns |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the IXDN404SI is determined by the following critical parameters:
- Driven Configuration: Must be Low-Side
- Number of Drivers: Must be 2 independent channels
- Package / Case: Must be 8-SOIC form factor (0.154", 3.90mm Width)
- Mounting Type: Must be Surface Mount
- Input Type: Must be Non-Inverting
- Gate Type Compatibility: Must support IGBT and/or N-Channel and P-Channel MOSFET
- Voltage - Supply Range: Must encompass or match 4.5V ~ 35V
- Current - Peak Output: Must meet or exceed 4A source and sink capability
- Operating Temperature Range: Must cover or exceed -55°C ~ 150°C
Substitute parts are grouped into two categories based on electrical performance alignment:
Category A - Full Parameter Match: Parts with 4.5V ~ 35V supply range, 4A peak output current, and extended temperature range (-55°C ~ 150°C or -40°C ~ 125°C). These include IXDN604SI and IXDN602 series variants.
Category B - Reduced Electrical Specifications: Parts with narrower supply voltage ranges (4.5V ~ 18V) or reduced peak output current (2A). These include ADP3654ARDZ-RL, MAX627 series variants. These substitutes are suitable only when application requirements permit reduced electrical performance.
Parameter Comparison
| Parameter | IXDN404SI | IXDN602SI | IXDN602SIA | IXDN602SIATR | IXDN602SITR | IXDN604SI | ADP3654ARDZ-RL | MAX627CSA+ | MAX627CSA+T | MAX627ESA+ | MAX627ESA+T |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | IXYS | Littelfuse | IXYS ICD | IXYS ICD | IXYS ICD | IXYS ICD | Analog Devices | Analog Devices/Maxim | Analog Devices/Maxim | Analog Devices/Maxim | Analog Devices/Maxim |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| 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 |
| 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 | IGBT, N-Channel, P-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 |
| Voltage - Supply | 4.5V ~ 35V | 4.5V ~ 35V | 4.5V ~ 35V | 4.5V ~ 35V | 4.5V ~ 35V | 4.5V ~ 35V | 4.5V ~ 18V | 4.5V ~ 18V | 4.5V ~ 18V | 4.5V ~ 18V | 4.5V ~ 18V |
| Logic Voltage - VIL, VIH | 0.8V, 2.5V | 0.8V, 3V | 0.8V, 3V | 0.8V, 3V | 0.8V, 3V | 0.8V, 3V | 0.8V, 2V | 0.8V, 2.4V | 0.8V, 2.4V | 0.8V, 2.4V | 0.8V, 2.4V |
| Current - Peak Output (Source, Sink) | 4A, 4A | 2A, 2A | 2A, 2A | 2A, 2A | 2A, 2A | 4A, 4A | 4A, 4A | 2A, 2A | 2A, 2A | 2A, 2A | 2A, 2A |
| Input Type | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting |
| Rise / Fall Time (Typ) | 16ns, 13ns | 7.5ns, 6.5ns | 7.5ns, 6.5ns | 7.5ns, 6.5ns | 7.5ns, 6.5ns | 9ns, 8ns | 10ns, 10ns | 25ns, 20ns | 25ns, 20ns | 25ns, 20ns | 25ns, 20ns |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -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) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes (Full Electrical Compatibility)
IXDN602SIATR and IXDN602SITR are the preferred substitutes for the IXDN404SI. Both are manufactured by IXYS Integrated Circuits Division and maintain the 4.5V ~ 35V supply voltage range and -55°C ~ 150°C operating temperature range. While peak output current is reduced to 2A (versus 4A), these parts are active products with ROHS3 compliance and MSL 1 rating. IXDN602SIATR is available in Cut Tape & Digi-Reel packaging with 56,035 units in stock, while IXDN602SITR is available in Tape & Reel packaging with 8,400 units in stock.
IXDN604SI provides 4A peak output current matching the original part specification and operates across the full 4.5V ~ 35V supply range. This part is active with ROHS3 compliance, though operating temperature is limited to -40°C ~ 125°C. It is available in Tube packaging with 3,800 units in stock.
Secondary Substitutes (Reduced Electrical Specifications)
ADP3654ARDZ-RL (Analog Devices) and MAX627 series variants are suitable only when application requirements permit reduced supply voltage range (4.5V ~ 18V) and reduced peak output current (2A). ADP3654ARDZ-RL offers faster rise/fall times (10ns) and is ROHS3 compliant with 73,050 units in stock. MAX627 variants provide extended temperature options (0°C ~ 70°C or -40°C ~ 85°C) but exhibit slower switching characteristics (25ns rise/fall time).
Compliance and Availability
All active substitute parts carry ROHS3 compliance and REACH Unaffected status. IXDN602 series variants maintain MSL 1 rating identical to the original part. ADP3654ARDZ-RL carries MSL 3 (168 Hours), requiring controlled storage conditions. Inventory levels are adequate across all substitute options, with IXDN602SIATR offering the highest stock availability.
Frequently Asked Questions (FAQ)
Q: Can IXDN602 series parts directly replace IXDN404SI in all applications?
A: IXDN602 series parts are pin-compatible and functionally equivalent in low-side gate driver applications. However, peak output current is reduced from 4A to 2A. Applications requiring 4A source/sink capability must use IXDN604SI or verify that 2A output current is sufficient for the specific gate drive requirements.
Q: What is the difference between IXDN602SIA and IXDN602SIATR?
A: Both parts are electrically identical. IXDN602SIA is supplied in Tube packaging, while IXDN602SIATR is supplied in Cut Tape & Digi-Reel packaging. Selection depends on assembly process requirements and inventory management preferences.
Q: Are MAX627 series parts suitable for high-temperature applications?
A: MAX627 series parts have limited operating temperature ranges (0°C ~ 70°C for CSA+ variants, -40°C ~ 85°C for ESA+ variants). The original IXDN404SI operates to 150°C. MAX627 variants are not suitable for applications requiring extended high-temperature operation beyond 85°C.
Q: What is the significance of the exposed pad (EP) designation in package descriptions?
A: The exposed pad provides enhanced thermal dissipation. Parts with 8-SOIC-EP packaging (IXDN602SI, IXDN602SITR, IXDN604SI, ADP3654ARDZ-RL) offer improved thermal performance compared to standard 8-SOIC packages. This is beneficial in high-frequency switching applications.
Q: Can ADP3654ARDZ-RL be used in 35V supply applications?
A: No. ADP3654ARDZ-RL is rated for 4.5V ~ 18V supply voltage. Applications requiring operation at voltages above 18V must use IXDN602 or IXDN604 series parts rated for 4.5V ~ 35V.
Q: What is MSL 3 (168 Hours) and how does it affect component handling?
A: MSL 3 indicates the component must be used within 168 hours of package opening if stored at elevated humidity. The original IXDN404SI and most substitute parts carry MSL 1 (Unlimited), requiring no time-based storage restrictions. ADP3654ARDZ-RL requires controlled moisture exposure management during assembly.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All active substitute parts listed carry ROHS3 compliance certification. The original IXDN404SI (obsolete) does not specify RoHS status.
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