TC4424EPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip TC4424EPA is a dual 3 A MOSFET gate driver with Schmitt trigger inputs and inverting/non-inverting buffer outputs in an 8-pin PDIP package. It drives high-side and low-side MOSFETs with fast switching for DC-DC converters, motor drives, and high-frequency switching circuits. RoHS-compliant with a 16-week factory lead time for production planning.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC4424EPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4200(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual MOSFET gate driver delivering 3 A peak output current per channel
- Schmitt trigger inputs for noise-immune logic signal reception in harsh environments
- Inverting and non-inverting buffer channels for flexible gate drive polarity
- High-side driver capability enabling bootstrap and floating gate drive topologies
- 8-pin PDIP-8 through-hole package for easy prototyping and evaluation builds
Applications
The TC4424EPA is designed for driving power MOSFETs and IGBTs in switching power supplies, DC-DC converters, and motor control circuits where high peak gate current is required for fast switching transitions. Its dual-channel configuration with Schmitt trigger inputs makes it suitable for half-bridge and full-bridge driver stages in industrial inverters, synchronous rectifiers, and class-D audio amplifiers.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 16Weeks |
| YTEOL | 8 |
| High Side Driver | YES |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Characteristics | TOTEM-POLE |
| Output Peak Current Limit-Nom | 3A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Current-Max | 3.5mA |
| Supply Voltage-Max | 18V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 18V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | NO |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.16 µs |
| Turn-on Time | 0.16 µs |
| ## TC4424EPA Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TC4424EPA:
suggested
suggested
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Frequently Asked Questions
What peak gate drive current does TC4424EPA deliver, and how does this affect MOSFET switching speed?
The TC4424EPA delivers up to 3 A peak output current per channel, which rapidly charges and discharges MOSFET gate capacitance. For a MOSFET with 10 nC gate charge, a 3 A driver can complete gate transitions in approximately 3 ns, enabling high switching frequencies in DC-DC converters and reducing switching losses in power stages operating above 100 kHz.
How do the Schmitt trigger inputs on TC4424EPA improve performance in electrically noisy motor drive environments?
The Schmitt trigger inputs of the TC4424EPA provide hysteresis that rejects noise spikes on the control signal lines, typically with a hysteresis band of several hundred millivolts. In motor drive applications where switching transients couple onto PWM signal wires, this prevents false triggering of the gate driver and protects against shoot-through conditions in H-bridge configurations.
Can TC4424EPA be used in a bootstrap high-side gate driver topology for a synchronous buck converter?
Yes, the TC4424EPA supports high-side driver configurations suitable for bootstrap gate drive designs. In a synchronous buck converter operating from a 12 V to 48 V bus, the high-side driver channel can switch a top MOSFET using a bootstrap capacitor refreshed during the low-side on-time, enabling non-isolated high-side switching without a dedicated isolated gate driver transformer.
What is the lead time for TC4424EPA and how should procurement teams plan for it in new product introductions?
The TC4424EPA has a factory lead time of approximately 16 weeks, which is longer than typical logic ICs. New product introduction schedules should account for this extended lead time by placing initial stocking orders at the design verification stage. The PDIP-8 package is available in tube quantities, and designers can consider the surface-mount TC4424 variants in SOIC-8 for tape-and-reel availability.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.4200 | $0.42 |
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