Overview
The UCC27524DSDR, produced by Texas Instruments, is a dual-channel, high-speed, low-side gate driver designed to efficiently drive MOSFET and IGBT power switches. This device is particularly suitable for applications requiring precise timing, such as synchronous rectifiers. Its unique design reduces shoot-through current internally, enabling it to deliver high peak current pulses of up to 5A source and 5A sink to capacitive loads. With rail-to-rail drive capability and a typical propagation delay of 13ns, the UCC27524DSDR ensures reliable performance in demanding environments. Its TTL and CMOS-compatible input thresholds, along with wide hysteresis, provide excellent noise immunity. This driver is available in multiple logic configurations, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 5 | A | Source/Sink |
| Propagation Delay | 13 | ns | Typical |
| Rise/Fall Time | 7/6 | ns | - |
| Supply Voltage | 4.5-18 | V | - |
| Operating Temperature | -40 to +140 | °C | - |
| Input Threshold | TTL/CMOS | - | Fixed, VDD independent |
| Channels | 2 | - | Independent |
| Package | SOIC-8 | - | 150MIL |
Key Features
- Dual-channel, high-speed, low-side gate driver.
- 5A source and sink current capability.
- Rail-to-rail drive with 13ns propagation delay.
- TTL and CMOS-compatible input thresholds.
- Wide hysteresis for noise immunity.
- Multiple logic configurations for flexibility.
Applications
The UCC27524DSDR is widely used in applications such as synchronous rectifiers, motor drives, and power inverters. Its precise timing and high current drive capability make it ideal for driving MOSFETs and IGBTs in industrial automation, renewable energy systems, and automotive electronics. The device's robust design ensures reliable operation in harsh environments, making it a preferred choice for high-performance power switching applications.
Q & A
1. What is the maximum output current of the UCC27524DSDR?
The UCC27524DSDR can deliver up to 5A source and 5A sink current.
2. What is the typical propagation delay of this driver?
The typical propagation delay is 13ns.
3. What is the operating voltage range?
The operating voltage range is 4.5V to 18V.
4. Is the UCC27524DSDR compatible with TTL and CMOS logic?
Yes, it features TTL and CMOS-compatible input thresholds.
5. What is the rise and fall time of the driver?
The rise time is 7ns, and the fall time is 6ns.
6. What is the operating temperature range?
The operating temperature range is -40°C to +140°C.
7. How many channels does the UCC27524DSDR have?
It has two independent channels.
8. What package does the UCC27524DSDR come in?
It is available in an SOIC-8 package.
9. What are the key applications of this driver?
Key applications include synchronous rectifiers, motor drives, and power inverters.
10. Does the UCC27524DSDR have noise immunity features?
Yes, it features wide hysteresis for excellent noise immunity.
