TC4431VPA Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip TC4431VPA is an inverting MOSFET gate driver delivering 1.5 A peak output current over a 4.5 V to 30 V supply range with Schmitt-trigger input for clean switching. It features rail-to-rail output swing and fast propagation delays in an 8-pin PDIP package, targeting power conversion, motor drive, and DC-DC converter gate-drive circuits.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TC4431VPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8582(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.5 A peak gate drive current for fast MOSFET switching
- Wide supply range: 4.5 V to 30 V for versatile power supply compatibility
- Inverting (buffer/inverter-based) output topology for flexible control polarity
- Schmitt-trigger input for high noise immunity and clean signal thresholds
- Rail-to-rail output swing maximizes gate overdrive and minimizes on-resistance
- 8-pin PDIP package for easy through-hole prototyping and high-reliability assembly
Applications
The TC4431VPA is primarily used to drive the gates of power MOSFETs and IGBTs in DC-DC converters, synchronous rectifiers, and half-bridge motor drives where a 1.5 A drive current ensures fast turn-on and turn-off transitions. It also serves in isolated gate-drive circuits for industrial inverters and in solenoid/relay driver stages that require inversion between a PWM controller output and the power switch.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 25Weeks |
| YTEOL | 9 |
| 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 | 1 |
| 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 | 6mA |
| Supply Voltage-Max | 30V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 30V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Turn-off Time | 0.17 µs |
| Turn-on Time | 0.17 µs |
| ## TC4431VPA Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TC4431VPA:
suggested
suggested
suggested
Frequently Asked Questions
What peak gate-drive current does TC4431VPA supply, and how does that compare to a 1 A driver for fast MOSFET switching?
The TC4431VPA delivers up to 1.5 A peak output current, 50% more than a 1 A driver, which directly reduces MOSFET gate-charge time and lowers switching losses at frequencies above 100 kHz in DC-DC converter designs.
Can TC4431VPA be used in a 24 V industrial motor-control system without additional level shifting?
Yes. The TC4431VPA operates from 4.5 V to 30 V, covering standard 12 V and 24 V industrial bus voltages directly. Its inverting output allows it to interface with active-low PWM controllers while driving MOSFET gates up to the full supply rail, simplifying level-shift circuits.
How does the Schmitt-trigger input on TC4431VPA improve noise immunity in high-frequency switching environments?
The Schmitt-trigger input provides a defined hysteresis band, typically around 0.5 V, preventing false triggering from ground bounce and fast transient noise on the PWM signal line during high-frequency switching at 200 kHz or above.
What is the procurement lead time for TC4431VPA, and should buyers plan safety stock?
Microchip lists the TC4431VPA factory lead time at approximately 25 weeks. Given that long lead time, procurement teams should maintain 3 to 6 months of safety stock or evaluate pin-compatible alternatives such as TC4421/TC4422 family parts with shorter lead times.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.2900 | $4.29 |
| 180+ | $3.2500 | $585.00 |
| 240+ | $1.9000 | $456.00 |
| 600+ | $1.8800 | $1128.00 |
| 900+ | $1.8600 | $1674.00 |
| 2880+ | $1.8582 | $5351.59 |
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