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IXDN402SIA Low-Side Gate Driver IC Equivalent & Substitute Parts
Part Overview
The IXDN402SIA is a low-side gate driver IC manufactured by IXYS, designed for driving IGBT and MOSFET devices in power management applications. This device features non-inverting logic, independent dual-channel configuration, and operates across a wide supply voltage range of 4.5V to 35V. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Active alternatives with compatible electrical and mechanical specifications are available from multiple manufacturers.
Substiute Parts
Key Parameters
| Parameter | IXDN402SIA |
|---|---|
| Driven Configuration | Low-Side |
| Channel Type | Independent |
| Number of Drivers | 2 |
| Gate Type | IGBT, N-Channel, P-Channel MOSFET |
| Voltage - Supply | 4.5V ~ 35V |
| Logic Voltage - VIL, VIH | 0.8V, 3V |
| Current - Peak Output (Source, Sink) | 2A, 2A |
| Input Type | Non-Inverting |
| Rise / Fall Time (Typ) | 8ns, 8ns |
| 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 eligibility for the IXDN402SIA is determined by the following critical parameters:
Primary Compatibility Criteria:
- Driven configuration must be low-side
- Channel type must be independent
- Number of drivers must be 2
- Input type must be non-inverting
- Package must be 8-SOIC with 0.154" (3.90mm) width
- Mounting type must be surface mount
Electrical Compatibility Criteria:
- Supply voltage range must encompass or match 4.5V ~ 35V
- Logic voltage thresholds (VIL, VIH) must be compatible with 0.8V, 3V
- Peak output current (source and sink) must meet or exceed 2A, 2A
- Gate type must support IGBT and MOSFET switching applications
- Operating temperature range must cover the application requirements
Substitute parts are grouped into two categories based on electrical performance:
Category 1 - Direct Electrical Equivalents (2A Output Current): IXDN602SI, IXDN602SIA, IXDN602SIATR, IXDN602SITR. These parts maintain identical 2A peak output current specifications and full 4.5V ~ 35V supply voltage range, with improved rise/fall times (7.5ns/6.5ns vs. 8ns/8ns).
Category 2 - Enhanced Performance Substitutes (4A Output Current): IXDN604SI, IXDN604SIA, IXDN604SIATR, IXDN604SITR. These parts provide doubled peak output current (4A source/sink) while maintaining the same package and low-side configuration. Operating temperature range is -40°C ~ 125°C.
Category 3 - Cross-Manufacturer Alternatives: ADP3654ARDZ-RL (Analog Devices) and UCC27324D (Texas Instruments). These provide functional equivalence with different electrical specifications and reduced supply voltage ranges.
Parameter Comparison
| Part Number | Manufacturer | Supply Voltage | Peak Output Current (Source/Sink) | Rise/Fall Time (Typ) | Operating Temp | Package | Product Status |
|---|---|---|---|---|---|---|---|
| IXDN402SIA | IXYS | 4.5V ~ 35V | 2A / 2A | 8ns / 8ns | -55°C ~ 150°C (TJ) | 8-SOIC | Obsolete |
| IXDN602SI | Littelfuse | 4.5V ~ 35V | 2A / 2A | 7.5ns / 6.5ns | -55°C ~ 150°C (TJ) | 8-SOIC-EP | Active |
| IXDN602SIA | IXYS Integrated Circuits Division | 4.5V ~ 35V | 2A / 2A | 7.5ns / 6.5ns | -55°C ~ 150°C (TJ) | 8-SOIC | Active |
| IXDN602SIATR | IXYS Integrated Circuits Division | 4.5V ~ 35V | 2A / 2A | 7.5ns / 6.5ns | -55°C ~ 150°C (TJ) | 8-SOIC | Active |
| IXDN602SITR | IXYS Integrated Circuits Division | 4.5V ~ 35V | 2A / 2A | 7.5ns / 6.5ns | -55°C ~ 150°C (TJ) | 8-SOIC-EP | Active |
| IXDN604SI | IXYS Integrated Circuits Division | 4.5V ~ 35V | 4A / 4A | 9ns / 8ns | -40°C ~ 125°C (TA) | 8-SOIC-EP | Active |
| IXDN604SIA | IXYS Integrated Circuits Division | 4.5V ~ 35V | 4A / 4A | 9ns / 8ns | -40°C ~ 125°C (TA) | 8-SOIC | Active |
| IXDN604SIATR | IXYS Integrated Circuits Division | 4.5V ~ 35V | 4A / 4A | 9ns / 8ns | -40°C ~ 125°C (TA) | 8-SOIC | Active |
| IXDN604SITR | IXYS Integrated Circuits Division | 4.5V ~ 35V | 4A / 4A | 9ns / 8ns | -40°C ~ 125°C (TA) | 8-SOIC-EP | Active |
| ADP3654ARDZ-RL | Analog Devices Inc. | 4.5V ~ 18V | 4A / 4A | 10ns / 10ns | -40°C ~ 125°C (TJ) | 8-SOIC-EP | Active |
| UCC27324D | Texas Instruments | 4.5V ~ 15V | 4A / 4A | 20ns / 15ns | -55°C ~ 150°C (TJ) | 8-SOIC | Last Time Buy |
Engineering Selection Recommendations
For Direct Replacement with Identical Electrical Performance:
Select IXDN602SIA or IXDN602SIATR for applications requiring exact 2A output current specifications and full -55°C ~ 150°C operating temperature range. Both parts are active products from IXYS Integrated Circuits Division with ROHS3 compliance and unlimited moisture sensitivity rating. IXDN602SIATR is packaged in cut tape format with higher inventory availability (56,035 units), while IXDN602SIA is available in tube packaging (16,293 units).
For Enhanced Performance Applications:
Select IXDN604SIA or IXDN604SIATR when 4A peak output current capability is required and the operating temperature range of -40°C ~ 125°C is acceptable. These parts maintain the full 4.5V ~ 35V supply voltage range and are active products with ROHS3 compliance. IXDN604SIATR offers the highest inventory (25,300 units) in cut tape packaging.
For Cross-Manufacturer Alternatives:
ADP3654ARDZ-RL (Analog Devices) is suitable only for applications with maximum supply voltage requirements of 18V or lower. This part provides 4A output current and is ROHS3 compliant with active product status.
UCC27324D (Texas Instruments) is in Last Time Buy status and should not be selected for new designs. This part has reduced supply voltage range (4.5V ~ 15V) and slower rise/fall times (20ns/15ns).
Compliance and Certification:
All recommended active substitutes carry ROHS3 compliance and REACH Unaffected status. Moisture sensitivity levels are MSL 1 (unlimited) for IXDN602 and IXDN604 series, and MSL 3 (168 hours) for ADP3654ARDZ-RL.
Frequently Asked Questions (FAQ)
Q: Can IXDN604 series parts directly replace IXDN402SIA in existing designs?
A: Yes, IXDN604 parts are direct functional replacements. They maintain the same low-side configuration, independent dual-channel design, and 4.5V ~ 35V supply voltage range. The primary differences are doubled peak output current (4A vs. 2A) and reduced operating temperature range (-40°C ~ 125°C vs. -55°C ~ 150°C). Verify that your application's temperature requirements fall within -40°C ~ 125°C before selection.
Q: What is the difference between IXDN602SIA and IXDN602SIATR?
A: Both parts are electrically identical with 2A peak output current and identical electrical specifications. The difference is packaging format: IXDN602SIA is supplied in tube packaging, while IXDN602SIATR is supplied in cut tape (CT) & Digi-Reel format. Select based on your assembly process requirements and inventory availability.
Q: Can I use ADP3654ARDZ-RL if my circuit operates at 35V supply voltage?
A: No. ADP3654ARDZ-RL has a maximum supply voltage of 18V, which is insufficient for 35V applications. This part is suitable only for designs with maximum supply voltage of 18V or lower. For 35V operation, select IXDN602 or IXDN604 series parts.
Q: What are the package differences between 8-SOIC and 8-SOIC-EP?
A: Both are 8-pin SOIC packages with identical 0.154" (3.90mm) width. The -EP designation indicates an exposed pad variant, which provides improved thermal dissipation. For applications requiring enhanced thermal performance, select parts with -EP designation (IXDN602SI, IXDN602SITR, IXDN604SI, IXDN604SITR, ADP3654ARDZ-RL).
Q: Is UCC27324D suitable for new designs?
A: No. UCC27324D is in Last Time Buy status, indicating end-of-life. This part should not be selected for new designs. Select active products from the IXDN602 or IXDN604 series instead.
Q: What is the impact of different rise/fall times on circuit performance?
A: Rise and fall times affect gate driver switching speed. IXDN602 series (7.5ns/6.5ns) and IXDN604 series (9ns/8ns) have faster switching compared to IXDN402SIA (8ns/8ns). Faster switching reduces switching losses and improves efficiency in high-frequency applications. UCC27324D (20ns/15ns) has significantly slower switching and is not recommended for high-frequency designs.
Q: Can I substitute IXDN402SIA with parts having different logic voltage thresholds?
A: No. Logic voltage thresholds (VIL, VIH) must be compatible with your control circuit. IXDN402SIA specifies 0.8V and 3V thresholds. All recommended IXDN602 and IXDN604 substitutes maintain these identical thresholds. ADP3654ARDZ-RL has different thresholds (0.8V, 2V) and requires circuit verification before use.
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