UCC27324QDRCT Texas Instruments In Stock
UCC27324QDRCT is a dual 4 A gate driver IC for MOSFETs and IGBTs by Texas Instruments. Key specs: 4 A peak source/sink current, 9 ns rise time, 4.5 V to 18 V supply, AEC-Q100 qualified. From $1.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual 4 A peak source and sink current output enabling fast 9 ns rise and fall times for hard-switching MOSFET gate drive
- AEC-Q100 Grade 1 automotive qualification supporting -40°C to 125°C junction temperature for under-hood powertrain modules
- 4.5 V to 18 V wide supply range with independent input and output stages allowing direct logic-level PWM interface without level shifters
Applications
UCC27324QDRCT is designed for automotive DC-DC converters, inverters, and onboard chargers requiring AEC-Q100-qualified dual gate drivers that survive -40°C to 125°C temperature extremes. Its 4 A peak drive capability suits synchronous buck converters switching at 200 kHz to 1 MHz where fast gate transitions minimize switching losses. Industrial motor drives and server power stages also benefit from the independent input/output architecture that isolates control logic from high-side gate transients.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak gate drive current and switching speed does UCC27324QDRCT deliver?
UCC27324QDRCT sources and sinks 4 A peak gate current with a typical rise time of 9 ns and fall time of 7 ns into a 1 nF load. This fast switching capability reduces MOSFET turn-on and turn-off losses, supporting converter switching frequencies up to 1 MHz in synchronous buck or full-bridge topologies.
Is UCC27324QDRCT suitable for automotive under-hood applications at 125°C?
Yes. UCC27324QDRCT carries AEC-Q100 Grade 1 qualification, specifying reliable operation from -40°C to 125°C junction temperature. The automotive-grade qualification covers HTOL and ELFR reliability tests, making it suitable for under-hood DC-DC converters, electric power steering, and 48 V mild-hybrid inverter stages with 10-year field life requirements.
What supply voltage range does UCC27324QDRCT accept and how does that affect MOSFET Vgs drive?
UCC27324QDRCT operates from 4.5 V to 18 V VDD, allowing direct 12 V or 15 V gate-drive rail connection for optimal MOSFET Vgs. At 15 V supply the output swing reaches 14.5 V, fully enhancing most N-channel MOSFETs with Vgs(th) under 4 V, while the 4.5 V lower limit covers 5 V logic-supply scenarios in cost-sensitive designs.
How does the dual-channel architecture of UCC27324QDRCT benefit a half-bridge converter layout?
UCC27324QDRCT contains 2 independent driver channels in an SOT-23-6 package, each with separate IN, OUT, and GND pins so the high-side and low-side gate loops are physically isolated. This layout reduces common-mode noise coupling between channels, and at 4 A per channel, both MOSFET gates charge a 10 nF gate capacitance in under 40 ns, minimizing dead-time requirements.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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