Overview
The UCC27518DBVR is a single-channel, high-speed, low-side gate driver IC produced by Texas Instruments. This device is designed to drive MOSFET and IGBT power switches efficiently, making it suitable for various power management applications. It features a 5-pin SOT-23 (DBV) package and operates over a wide temperature range of -40°C to 140°C. The UCC27518DBVR is particularly noted for its low-cost, high-performance characteristics, making it an excellent replacement for discrete NPN and PNP solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOT-23 (DBV) |
| Number of Pins | 5 |
| Operating Temperature Range | -40°C to 140°C |
| Supply Voltage Range | 4.5 V to 18 V |
| Peak Output Current (Source/Sink) | 4 A / 4 A |
| Rise Time | 8 ns (Typical) |
| Fall Time | 7 ns (Typical) |
| Propagation Delay | 17 ns (Typical) |
| Input Logic | Inverting CMOS |
| Enable Pin Thresholds | VEN-H: 2.1 V, VEN-L: 1.25 V |
Key Features
- Low-cost, high-performance gate driver device offering superior replacement of NPN and PNP discrete solutions.
- Pin-to-pin compatible with TI's TPS2828 and TPS2829 devices.
- 4-A peak source and 4-A peak sink symmetrical drive capability.
- Fast propagation delays (17 ns typical) and fast rise and fall times (8 ns and 7 ns typical).
- Single supply range of 4.5 V to 18 V.
- Outputs held low during VDD UVLO for glitch-free operation at power up and power down.
- CMOS input logic threshold with hysteresis for high noise immunity.
- Floatable enable function on the EN pin, which can be left in a no-connect condition.
- Output held low when input pins are floating.
- Input pin absolute maximum voltage levels not restricted by VDD pin bias supply voltage.
Applications
The UCC27518DBVR is suitable for a variety of applications, including:
- Driving MOSFET and IGBT power switches in automotive and industrial systems.
- Power management in emerging wide band-gap power switching devices such as GaN power semiconductor devices.
- High-speed switching applications requiring low shoot-through current and fast propagation delays.
- Replacement of discrete NPN and PNP solutions in existing designs.
Q & A
- What is the operating temperature range of the UCC27518DBVR?
The operating temperature range is -40°C to 140°C.
- What is the peak output current capability of the UCC27518DBVR?
The device can source and sink up to 4 A peak current.
- What is the supply voltage range for the UCC27518DBVR?
The supply voltage range is from 4.5 V to 18 V.
- Does the UCC27518DBVR have an enable pin?
- What is the typical propagation delay of the UCC27518DBVR?
The typical propagation delay is 17 ns.
- Is the UCC27518DBVR RoHS compliant?
- What type of logic does the UCC27518DBVR use?
- What is the package type of the UCC27518DBVR?
- Can the UCC27518DBVR drive GaN power semiconductor devices?
- What are the typical rise and fall times of the UCC27518DBVR?
