TC4420EMF Equivalent & Substitute Parts

Part Overview

The TC4420EMF is a low-side gate driver IC manufactured by Microchip Technology, designed for driving N-Channel and P-Channel MOSFETs in power management applications. This non-inverting gate driver operates within a 4.5V to 18V supply voltage range and delivers 6A peak output current for both source and sink configurations. The device is housed in an 8-VDFN surface mount package with exposed pad and maintains active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter ranges.

Substiute Parts

TC4420EMF

Microchip TechnologyIn Stock: 1052TC4420EMF Datasheet

Current PartRFQ

MCP1407-E/MF

Microchip TechnologyIn Stock: 8032MCP1407-E/MF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TC4420EMF is determined by strict equivalence across the following critical parameters:

• Driven Configuration: Must be Low-Side
• Channel Type: Must be Single channel
• Number of Drivers: Must be 1
• Supply Voltage Range: Must support 4.5V ~ 18V
• Logic Voltage Thresholds: Must maintain VIL = 0.8V and VIH = 2.4V
• Peak Output Current: Must deliver minimum 6A source and 6A sink
• Input Type: Must be Non-Inverting
• Operating Temperature Range: Must support -40°C ~ 150°C (TJ)
• Package: Must be 8-VDFN Exposed Pad surface mount
• Compliance: Must maintain RoHS3 and MSL Level 1 status

The MCP1407-E/MF meets all substitution criteria while offering improved rise and fall time performance (20ns versus 25ns) and extended gate type compatibility including IGBT support.

Parameter Comparison

Engineering Selection Recommendations

Both TC4420EMF and MCP1407-E/MF are active products with identical RoHS3 compliance and MSL Level 1 ratings, ensuring equivalent regulatory and environmental qualification status. The MCP1407-E/MF provides faster switching performance with 20ns rise and fall times compared to the TC4420EMF's 25ns specification, making it suitable for applications requiring improved transient response. The MCP1407-E/MF's extended gate type support for IGBT applications provides broader compatibility without compromising MOSFET performance. Both devices maintain identical supply voltage ranges, logic thresholds, and output current specifications, ensuring direct functional substitution in existing circuit designs. Selection between these parts should be based on application-specific timing requirements and gate driver load characteristics.

Frequently Asked Questions (FAQ)

Q: Can MCP1407-E/MF directly replace TC4420EMF in existing designs?

A: Yes. Both devices share identical supply voltage (4.5V ~ 18V), logic thresholds (0.8V/2.4V), output current (6A/6A), input type (non-inverting), operating temperature range (-40°C ~ 150°C), and 8-VDFN package specifications. No circuit modifications are required for pin-compatible substitution.

Q: What is the difference in switching performance between these parts?

A: The MCP1407-E/MF offers faster rise and fall times of 20ns compared to the TC4420EMF's 25ns. This 5ns improvement may benefit applications with tight timing margins or high-frequency switching requirements.

Q: Are both parts suitable for IGBT gate driving?

A: The MCP1407-E/MF explicitly supports IGBT gate driving in addition to N-Channel and P-Channel MOSFETs. The TC4420EMF supports N-Channel and P-Channel MOSFETs. For IGBT applications, MCP1407-E/MF is the appropriate selection.

Q: Do these parts have identical moisture sensitivity and compliance ratings?

A: Yes. Both TC4420EMF and MCP1407-E/MF carry MSL Level 1 (Unlimited) ratings and full RoHS3 compliance, ensuring equivalent handling and environmental qualification requirements.

Q: Is the 8-VDFN package identical between both parts?

A: Yes. Both devices use the 8-VDFN Exposed Pad surface mount package with identical pinout and thermal characteristics, enabling direct PCB layout compatibility.