Overview
The UCC27525DGNR, produced by Texas Instruments, is a dual-channel, high-speed, low-side gate driver designed to effectively drive MOSFET and IGBT power switches. This device is part of the UCC2752x family, which is known for its high-performance capabilities and versatility in various power management applications.
The UCC27525DGNR features a robust design that minimizes shoot-through current, making it suitable for applications requiring precise timing and high current drive capabilities. It is available in an MSOP-8 package with an exposed pad, enhancing thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Source and Sink Current | 5A | A |
| Propagation Delay | Typically 13ns | ns |
| UVLO Threshold | 5V | V |
| Input Logic Compatibility | TTL and CMOS | - |
| Operating Temperature Range | -40 to 140°C | °C |
| Package Type | MSOP-8 with exposed pad (DGN) | - |
Key Features
- Industry-standard pinout for easy integration.
- Two independent gate-drive channels with 5A peak source and sink current.
- Enable pins (ENA and ENB) for better control of driver operation.
- Inverting and non-inverting input configurations for flexibility.
- Internal pullup and pulldown resistors to prevent floating input conditions.
- Rail-to-rail drive capability and extremely small propagation delay.
- Matched internal propagation delays between channels for critical timing applications.
- Wide hysteresis between high and low thresholds for excellent noise immunity.
Applications
- Synchronous rectifiers requiring dual-gate drives with critical timing.
- Driving MOSFET and IGBT power switches in high-speed applications.
- Power management systems where precise timing and high current drive are necessary.
- Emerging GaN power semiconductor devices due to its best-in-class switching characteristics.
Q & A
- What is the peak source and sink current of the UCC27525DGNR?
The UCC27525DGNR has a peak source and sink current of 5A.
- What is the typical propagation delay of the UCC27525DGNR?
The typical propagation delay is 13ns.
- What is the UVLO threshold of the UCC27525DGNR?
The UVLO threshold is 5V.
- Is the UCC27525DGNR compatible with TTL and CMOS logic?
Yes, the UCC27525DGNR is compatible with both TTL and CMOS logic.
- What is the operating temperature range of the UCC27525DGNR?
The operating temperature range is -40 to 140°C.
- In what package is the UCC27525DGNR available?
The UCC27525DGNR is available in an MSOP-8 package with an exposed pad (DGN).
- Can the UCC27525DGNR be used in synchronous rectifier applications?
Yes, it is suitable for synchronous rectifier applications due to its matched internal propagation delays and high-speed capabilities.
- How does the UCC27525DGNR handle floating input conditions?
The device has internal pullup and pulldown resistors to prevent floating input conditions and ensure the outputs remain LOW.
- Can the UCC27525DGNR drive GaN power semiconductor devices?
Yes, it is especially suited for driving emerging GaN power semiconductor devices due to its best-in-class switching characteristics.
- What is the purpose of the Enable pins (ENA and ENB) on the UCC27525DGNR?
The Enable pins provide better control of the driver operation and are internally pulled up to VDD for active-high logic.
