TC4422EPA Equivalent & Substitute Parts

Part Overview

The TC4422EPA is a low-side gate driver IC manufactured by Microchip Technology, designed for driving IGBT, N-Channel, and P-Channel MOSFET devices. This non-inverting gate driver operates across a 4.5V to 18V supply voltage range and delivers 9A peak output current (source and sink). The device is housed in an 8-PDIP through-hole package and maintains active product status with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when primary inventory is unavailable, when application requirements demand enhanced performance characteristics such as faster switching times or higher output current, or when alternative manufacturer sourcing is required for supply chain continuity.

Substiute Parts

TC4422EPA

Microchip TechnologyIn Stock: 1260TC4422EPA Datasheet

Current PartRFQ

TC4422AVPA

Microchip TechnologyIn Stock: 6892TC4422AVPA Datasheet

MFR RecommendedRFQ

MAX4420CPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2344MAX4420CPA+ Datasheet

MFR RecommendedRFQ

MAX4420EPA+

Analog Devices Inc./Maxim IntegratedIn Stock: 5798MAX4420EPA+ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TC4422EPA is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Driven Configuration: Low-Side (all substitutes must maintain low-side operation)
• Channel Type: Single (single-channel architecture required)
• Number of Drivers: 1 (single driver configuration)
• Input Type: Non-Inverting (logic signal polarity must match)
• Package / Case: 8-DIP (0.300", 7.62mm) (physical form factor and pin count)
• Mounting Type: Through Hole (PCB assembly method)
• Voltage - Supply: 4.5V ~ 18V (supply voltage range compatibility)
• Logic Voltage - VIL, VIH: 0.8V, 2.4V (input logic threshold compatibility)

Performance Parameters (Enhancement Allowed):

• Current - Peak Output: Minimum 9A (source and sink) or higher
• Rise / Fall Time: 60ns or faster (lower values indicate improved performance)
• Operating Temperature: Must encompass or exceed -40°C ~ 150°C range

All identified substitute parts meet the mandatory compatibility criteria. The TC4422AVPA offers enhanced output current (10A) and faster switching times (38ns/33ns). The MAX4420CPA+ and MAX4420EPA+ provide faster switching performance (25ns) with reduced output current (6A), suitable for applications where switching speed is prioritized over drive capability.

Parameter Comparison

Engineering Selection Recommendations

TC4422AVPA (Microchip Technology): This part maintains identical supply voltage and logic voltage specifications while providing enhanced performance through increased peak output current (10A versus 9A) and faster switching times (38ns/33ns versus 60ns). Both parts share the same manufacturer, ROHS3 compliance, unlimited MSL rating, and active product status. The TC4422AVPA supports IGBT gate driving, matching the TC4422EPA capability set. This substitute is suitable for applications requiring improved switching performance within the Microchip product family.

MAX4420CPA+ (Analog Devices Inc./Maxim Integrated): This part delivers the fastest switching performance (25ns rise and fall times) among all substitutes. However, it operates within a reduced temperature range (0°C ~ 70°C ambient) and provides lower peak output current (6A). The MAX4420CPA+ does not support IGBT gate driving, limiting its application to N-Channel and P-Channel MOSFET devices only. This substitute is appropriate for high-speed switching applications operating within commercial temperature ranges where IGBT support is not required.

MAX4420EPA+ (Analog Devices Inc./Maxim Integrated): This part matches the MAX4420CPA+ switching performance (25ns) and output current (6A) specifications while extending the operating temperature range to -40°C ~ 85°C (ambient). Like the MAX4420CPA+, it does not support IGBT gate driving. This substitute is suitable for industrial temperature range applications prioritizing switching speed over output current capability, where MOSFET-only gate driving is acceptable.

All substitute parts maintain ROHS3 compliance, unlimited MSL rating, REACH unaffected status, and active product status. Selection should be based on specific application requirements for output current, switching speed, temperature range, and gate type support.

Frequently Asked Questions (FAQ)

Q: Can TC4422AVPA directly replace TC4422EPA in all applications?

A: Yes, within the constraints of the application. Both parts share identical supply voltage (4.5V ~ 18V), logic voltage thresholds (0.8V, 2.4V), input type (non-inverting), package (8-DIP), and mounting method (through-hole). The TC4422AVPA provides enhanced performance through higher output current (10A versus 9A) and faster switching times (38ns/33ns versus 60ns). Both support IGBT, N-Channel, and P-Channel MOSFET gate driving. The primary difference is improved performance characteristics; no design modifications are required.

Q: What are the key differences between Microchip and Maxim Integrated substitutes?

A: The Microchip TC4422AVPA maintains full feature parity with the original TC4422EPA, including IGBT support and extended temperature range (-40°C ~ 150°C junction temperature). The Maxim Integrated MAX4420CPA+ and MAX4420EPA+ offer superior switching speed (25ns versus 38-60ns) but provide reduced output current (6A versus 9-10A) and do not support IGBT gate driving. The MAX4420EPA+ extends the temperature range to -40°C ~ 85°C (ambient), compared to the MAX4420CPA+ commercial range (0°C ~ 70°C ambient).

Q: Are the MAX4420 series parts suitable for IGBT applications?

A: No. The MAX4420CPA+ and MAX4420EPA+ support N-Channel and P-Channel MOSFET gate driving only. They do not support IGBT gate driving. If your application requires IGBT support, use the TC4422EPA or TC4422AVPA.

Q: What is the impact of reduced output current in MAX4420 substitutes?

A: The MAX4420CPA+ and MAX4420EPA+ provide 6A peak output current (source and sink) compared to 9A (TC4422EPA) or 10A (TC4422AVPA). This reduction limits the maximum gate charge that can be delivered per unit time. Applications with high-capacitance gates or requiring rapid switching transitions may experience degraded performance. Verify that your MOSFET gate charge and switching frequency requirements are compatible with 6A output current capability.

Q: Which substitute offers the best overall performance?

A: Performance depends on application priorities. The TC4422AVPA provides the best balance of output current (10A) and switching speed (38ns/33ns) while maintaining IGBT support and extended temperature range. The MAX4420EPA+ offers the fastest switching (25ns) for applications where speed is critical and MOSFET-only driving is acceptable, with industrial temperature range support (-40°C ~ 85°C ambient). The MAX4420CPA+ provides identical switching speed but is limited to commercial temperature range (0°C ~ 70°C ambient).

Q: Are all substitutes available in the same 8-DIP package?

A: Yes. All substitute parts (TC4422AVPA, MAX4420CPA+, MAX4420EPA+) are packaged in 8-DIP (0.300", 7.62mm) through-hole format, identical to the TC4422EPA. No PCB layout modifications are required for physical substitution.

Q: Do all parts meet the same compliance standards?

A: Yes. All parts listed (TC4422EPA, TC4422AVPA, MAX4420CPA+, MAX4420EPA+) are ROHS3 compliant, have unlimited moisture sensitivity level (MSL 1), are REACH unaffected, and maintain active product status. All parts carry the same ECCN (EAR99) and HTSUS (8542.39.0001) classifications.