Overview
The UCC27211DRMT from Texas Instruments is a high-performance half-bridge gate driver designed to drive two N-channel MOSFETs in high-side and low-side configurations. This driver is an enhancement of the popular UCC27201, offering significant performance improvements. It is particularly suited for applications requiring high current drive capability and fast switching times, making it ideal for driving large power MOSFETs with minimized switching losses.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VSON (DRM), 8 pins |
| Operating Temperature Range | -40°C to 150°C |
| Maximum Boot Voltage | 120V DC |
| Output Currents | 3.7A source, 4.5A sink |
| Input Voltage Range | -10V to 20V |
| VDD Operating Range | 8V to 17V (20V absolute maximum) |
| Rise and Fall Times (with 1000pF load) | 7.2ns rise, 5.5ns fall |
| Propagation Delay Times | 20ns typical |
| Delay Matching | 4ns |
| Undervoltage Lockout | Symmetrical for high-side and low-side drivers |
Key Features
- Drives two N-channel MOSFETs in high-side and low-side configuration with independent inputs.
- Maximum boot voltage of 120V DC.
- High output currents: 3.7A source and 4.5A sink.
- Input pins can tolerate -10V to 20V and are independent of supply voltage range.
- TTL compatible input versions.
- Fast rise and fall times (7.2ns rise, 5.5ns fall with 1000pF load).
- Fast propagation delay times (20ns typical).
- 4ns delay matching between high-side and low-side drivers.
- Symmetrical undervoltage lockout for both high-side and low-side drivers.
- An on-chip 120V rated bootstrap diode eliminates the need for external discrete diodes.
- Available in various industry-standard packages (SOIC-8, PowerPAD™ SOIC-8, 4mm × 4mm SON-8, and 4mm × 4mm SON-10).
Applications
The UCC27211DRMT is suitable for a variety of high-performance applications, including:
- Power supplies and DC-DC converters.
- Motor control systems.
- High-frequency switching circuits.
- Industrial power systems.
- Automotive and aerospace power management systems.
Q & A
- What is the maximum boot voltage of the UCC27211DRMT?
The maximum boot voltage is 120V DC.
- What are the output current capabilities of the UCC27211DRMT?
The driver can source 3.7A and sink 4.5A.
- What is the operating temperature range of the UCC27211DRMT?
The operating temperature range is -40°C to 150°C.
- Are the input pins TTL compatible?
- What is the VDD operating range for the UCC27211DRMT?
The VDD operating range is 8V to 17V, with an absolute maximum of 20V.
- How fast are the rise and fall times of the UCC27211DRMT?
The rise time is 7.2ns and the fall time is 5.5ns with a 1000pF load.
- What is the propagation delay time of the UCC27211DRMT?
The propagation delay time is typically 20ns.
- Does the UCC27211DRMT have undervoltage lockout?
- What packages are available for the UCC27211DRMT?
The driver is available in SOIC-8, PowerPAD™ SOIC-8, 4mm × 4mm SON-8, and 4mm × 4mm SON-10 packages.
- Does the UCC27211DRMT have an on-chip bootstrap diode?
