Overview
The UCC27211ADRMR is a high-performance gate driver produced by Texas Instruments, designed to drive both high-side and low-side N-channel MOSFETs in half-bridge, full-bridge, and other power converter topologies. This component is part of the UCC2721x series, which builds upon the widely used UCC27200 and UCC27201 drivers with enhanced features. The UCC27211ADRMR is particularly suited for applications requiring robust performance, high efficiency, and reliable operation in challenging environments. Its key selling points include a high peak output current, low switching losses, and improved noise immunity, making it an ideal choice for power management systems in industrial, automotive, and renewable energy applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 4 | A | Peak current for both sourcing and sinking |
| Supply Voltage | 8~17 | V | Operating voltage range |
| Rise/Fall Time | 7.2 / 5.5 | ns | Typical values |
| Input Type | Non-Inverting | - | TTL-compatible |
| Channel Type | Independent | - | High-side and low-side control |
| Maximum High-Side Voltage | 120 | V | Bootstrap diode rated voltage |
| Operating Temperature | -40~+140 | °C | Industrial range |
| Package | 8-VSON-EP | - | 4mm x 4mm |
Key Features
- High peak output current of 4A for both sourcing and sinking, enabling efficient driving of large MOSFETs.
- Low pull-up and pull-down resistance (0.9Ω) minimizes switching losses during MOSFET transitions.
- Input structure capable of handling -10V DC, enhancing robustness in noisy environments.
- Integrated bootstrap diode eliminates the need for external components, simplifying design.
- Independent high-side and low-side control with 2ns delay matching for precise operation.
- Undervoltage lockout (UVLO) ensures safe operation by forcing outputs low when the supply voltage is insufficient.
Applications
The UCC27211ADRMR is widely used in various power management applications, including:
- Industrial Automation: Motor drives, power inverters, and switch-mode power supplies.
- Automotive Electronics: Electric vehicle (EV) power systems, DC-DC converters, and battery management systems.
- Renewable Energy: Solar inverters, wind turbine controllers, and power optimizers.
- Consumer Electronics: High-efficiency power supplies and LED drivers.
Q & A
1. What is the maximum output current of the UCC27211ADRMR?
The UCC27211ADRMR can deliver a peak output current of 4A for both sourcing and sinking.
2. What is the operating voltage range of this driver?
The driver operates within a supply voltage range of 8V to 17V.
3. Does the UCC27211ADRMR require an external bootstrap diode?
No, it includes an integrated bootstrap diode rated at 120V.
4. What is the typical rise and fall time for this driver?
The typical rise time is 7.2ns, and the fall time is 5.5ns.
5. Can the UCC27211ADRMR handle negative voltages?
Yes, its input structure can handle up to -10V DC, improving noise immunity.
6. What is the purpose of the undervoltage lockout (UVLO) feature?
UVLO ensures safe operation by forcing the outputs low if the supply voltage drops below a specified threshold.
7. What is the delay matching between high-side and low-side channels?
The delay matching is 2ns, ensuring precise control.
8. What is the maximum high-side voltage supported by this driver?
The high-side voltage can go up to 120V.
9. Is the UCC27211ADRMR suitable for automotive applications?
Yes, it is designed to meet the stringent requirements of automotive electronics.
10. What package does the UCC27211ADRMR come in?
It is available in an 8-VSON-EP package measuring 4mm x 4mm.
