TC4429VAT Microchip Integrated Circuit (Other) In Stock
TC4429VAT is a 6 A single inverting MOSFET gate driver from Microchip Technology in a 5-pin TO-220 package, supporting high-side drive configurations. It features a Schmitt trigger input for noise immunity and delivers 6 A peak gate drive current for fast MOSFET switching transitions. Suitable for DC-DC converter, motor drive, and power inverter designs requiring robust gate drive capability.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TC4429VAT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9266(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
- 6 A peak gate drive current enables fast MOSFET turn-on and turn-off transitions, minimizing switching losses in high-frequency power converters
- Schmitt trigger input with hysteresis provides noise immunity in electrically noisy motor drive and power electronics environments
- TO-220-5 package with high-side driver capability supports both high-side and low-side MOSFET switching in H-bridge and synchronous buck topologies
Applications
TC4429VAT is optimized for demanding MOSFET gate drive applications in DC-DC converters, motor controllers, and half-bridge or H-bridge inverter stages where fast, high-current gate switching reduces switching losses. Its 6 A drive strength supports large gate charge MOSFETs switching at frequencies up to several hundred kHz while maintaining fast transition times. Industrial motor drives and UPS systems benefit from its robust TO-220 package and wide supply range for reliable high-power switching.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TO-220-5 |
| Factory Lead Time | 12Weeks |
| YTEOL | 8 |
| High Side Driver | YES |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | BUFFER OR INVERTER BASED MOSFET DRIVER |
| JESD-30 Code | R-PSFM-T5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Characteristics | TOTEM-POLE |
| Output Peak Current Limit-Nom | 6A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SIP5,.1,67TB |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Current-Max | 3mA |
| Supply Voltage-Max | 18V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage1-Max | 18V |
| Supply Voltage1-Min | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Turn-off Time | 0.16 µs |
| Turn-on Time | 0.16 µs |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
| Country of Origin | Mainland China |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak gate drive current does TC4429VAT provide for driving large power MOSFETs?
TC4429VAT delivers 6 A peak gate drive current, sufficient to drive MOSFETs with gate charges of 100 nC to 200 nC in under 100 ns. This fast drive capability reduces switching losses in DC-DC converters operating above 100 kHz and minimizes shoot-through risk in H-bridge motor drive topologies.
Why does TC4429VAT include a Schmitt trigger input, and how does it benefit noisy power electronics environments?
The Schmitt trigger input provides input hysteresis of approximately 0.6 V to 1 V, preventing false triggering from ground bounce and EMI noise common in motor drive and switching converter PCBs. Without this hysteresis, fast switching transients coupled through PCB parasitics could cause spurious MOSFET turn-on events, which TC4429VAT eliminates with its noise-immune input stage.
In which applications does TC4429VAT outperform a simple logic gate as a MOSFET driver?
TC4429VAT delivers 6 A peak versus 0.025 A typical from standard logic gates, enabling 240 times faster gate charging for power MOSFETs with 50 nC gate charge. At 200 kHz switching frequency, replacing a logic buffer with TC4429VAT can reduce MOSFET gate transition time from 2 µs to under 10 ns, cutting switching losses by over 80% in motor control and power conversion designs.
What supply voltage range does TC4429VAT support, and is it compatible with both 5 V logic and 12 V gate drive rails?
TC4429VAT operates from 4.5 V to 18 V supply, bridging 5 V logic control signals and 12 V MOSFET gate drive rails in the same design. This wide range allows designers to power the driver from a 12 V bus while accepting standard 5 V or 3.3 V PWM control inputs directly, without level-shifting circuitry.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.4800 | $4.48 |
| 150+ | $3.3900 | $508.50 |
| 200+ | $1.9700 | $394.00 |
| 500+ | $1.9500 | $975.00 |
| 750+ | $1.9300 | $1447.50 |
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