Overview
The UCC27201DG4, manufactured by Texas Instruments (formerly Unitrode), is a high-frequency N-channel MOSFET driver designed for half-bridge configurations. This component is widely used in power electronics for its ability to drive high-side and low-side MOSFETs independently, offering maximum control flexibility. It is particularly suitable for applications in half-bridge, full-bridge, and active clamp forward converters. The UCC27201DG4 is optimized for high-performance power conversion systems, making it a preferred choice for engineers in industrial automation, automotive, and renewable energy sectors.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Driver Configuration | Half-Bridge | - | - |
| Channel Type | Independent | - | - |
| Number of Drivers | 2 | - | - |
| Gate Type | N-Channel MOSFET | - | - |
| Supply Voltage | 8 to 17 | V | - |
| Logic Voltage (VIL, VIH) | 0.8, 2.5 | V | - |
| Peak Output Current (Sink, Source) | 3, 3 | A | - |
| Input Type | Non-Inverting | - | - |
| High-Side Voltage (Max) | 120 | V | Bootstrap |
| Rise/Fall Time (Typical) | 8, 7 | ns | - |
| Operating Temperature | -40 to 140 | °C | (TJ) |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 8-SOIC | - | 3.90mm wide |
| Supplier Device Package | 8-SOIC | - | - |
| Lead-Free/RoHS | Lead-Free, RoHS Compliant | - | - |
Key Features
- Drives two N-channel MOSFETs in high-side and low-side configurations.
- Integrated bootstrap diode eliminates the need for external diodes.
- Supports a maximum bootstrap voltage of 120V.
- TTL-compatible input thresholds for enhanced noise immunity.
- Fast rise and fall times (8ns and 7ns, respectively) with a 1000pF load.
- Undervoltage lockout (UVLO) for both high-side and low-side drivers.
- Operates over a wide temperature range (-40°C to 140°C).
Applications
The UCC27201DG4 is ideal for a variety of power conversion applications, including:
- Industrial Automation: Used in motor drives and power supplies for precise control and efficiency.
- Automotive Electronics: Suitable for electric vehicle (EV) power inverters and battery management systems.
- Renewable Energy: Applied in solar inverters and wind turbine converters for high-frequency switching.
- Telecommunications: Utilized in power amplifiers and base station power systems.
Q & A
1. What is the maximum bootstrap voltage supported by UCC27201DG4?
The maximum bootstrap voltage is 120V.
2. Is UCC27201DG4 compatible with TTL logic?
Yes, it features TTL-compatible input thresholds.
3. What is the peak output current of UCC27201DG4?
The peak output current is 3A for both sink and source operations.
4. Can UCC27201DG4 operate in high-temperature environments?
Yes, it operates reliably in temperatures ranging from -40°C to 140°C.
5. Does UCC27201DG4 require an external bootstrap diode?
No, it includes an integrated bootstrap diode.
6. What is the typical rise time of UCC27201DG4?
The typical rise time is 8ns.
7. What type of MOSFET does UCC27201DG4 drive?
It drives N-channel MOSFETs.
8. Is UCC27201DG4 RoHS compliant?
Yes, it is lead-free and RoHS compliant.
9. What is the input voltage range for UCC27201DG4?
The input voltage range is 8V to 17V.
10. What applications is UCC27201DG4 best suited for?
It is ideal for half-bridge, full-bridge, and active clamp forward converters in industrial, automotive, and renewable energy systems.
