TC4423CPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip TC4423CPA is a dual-channel MOSFET gate driver with 3 A peak output current, Schmitt-trigger inputs, and high-side drive support in an 8-pin PDIP package. Operates across a wide supply range and delivers fast switching for power converters, motor drives, and bridge circuits.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC4423CPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4900(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel MOSFET driver with 3 A peak drive current per channel
- Schmitt-trigger inputs for robust noise immunity in high-current switching environments
- High-side driver capability supporting half-bridge and full-bridge topologies
- 8-pin PDIP package enabling through-hole prototyping and low-cost production
- RoHS-compliant, lead-free (JESD-609 e3) construction
- Buffer/inverter architecture with 2 independent functions
Applications
TC4423CPA is used in DC-DC converter gate-drive stages, BLDC motor half-bridge circuits, and industrial power inverters where 2 independent 3 A gate drive channels with Schmitt-trigger noise immunity are needed in a single through-hole package. Its dual-channel design simplifies layouts in bridge topologies by consolidating both high-side driver functions into one 8-pin PDIP device.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| 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 | INVERTED |
| 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 | COMMERCIAL |
| 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 |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How do TC4423CPA's dual 3 A channels enable H-bridge motor drive without additional discrete components?
TC4423CPA provides 2 independent 3 A peak gate drive channels in a single 8-pin PDIP, allowing each channel to independently drive an N-channel MOSFET in a half-bridge leg. Pairing 2 TC4423CPA devices gives a complete 4-channel H-bridge gate drive solution capable of controlling BLDC and DC motors without additional gate resistor arrays or buffer ICs.
Why does the Schmitt-trigger input on TC4423CPA matter in power-conversion circuit design?
The Schmitt-trigger input on TC4423CPA introduces hysteresis to reject voltage spikes and ringing on the PWM control lines that occur when high-current MOSFETs switch at frequencies above 100 kHz. This prevents unintended double-pulsing of the gate drive output, reducing shoot-through risk and improving reliability in noisy converter environments.
What lead time and package availability should engineers consider when designing TC4423CPA into production boards?
TC4423CPA carries an 8-week factory lead time in the 8-pin PDIP form factor. For designs transitioning to SMT assembly, engineers should evaluate pin-compatible surface-mount alternatives offering the same dual 3 A channel and Schmitt-trigger input characteristics while planning 8-week stocking cycles for the through-hole PDIP variant.
How does TC4423CPA's 3 A peak drive current reduce switching losses at high frequency?
A higher gate drive current charges and discharges the MOSFET gate capacitance faster, shortening the switching transition time from several hundred nanoseconds to tens of nanoseconds. At switching frequencies of 100 kHz or above, this faster transition substantially reduces overlap switching losses, improving efficiency in TC4423CPA-driven power converters.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.4100 | $3.41 |
| 3+ | $3.3370 | $10.01 |
| 25+ | $2.5570 | $63.92 |
| 120+ | $2.5284 | $303.41 |
| 300+ | $1.5000 | $450.00 |
| 600+ | $1.4900 | $894.00 |
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