Overview
The UCC27528DSDR is a dual-channel, non-inverting gate driver produced by Texas Instruments. This component is designed for high-speed, high-current gate driving applications, particularly in power switch systems such as MOSFETs, IGBTs, and GaNFETs. It is packaged in an SON-8 form factor, making it suitable for compact and high-density PCB designs. The UCC27528DSDR is positioned as a reliable solution for industrial and automotive applications, offering robust performance and enhanced noise immunity.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Peak Output Current | 5 | A | Source/Sink |
| Input Voltage Range | 4.5 to 18 | V | Single Supply |
| Propagation Delay | 17 | ns | Typical |
| Rise Time | 7 | ns | Typical |
| Fall Time | 6 | ns | Typical |
| Operating Temperature | -40 to 140 | °C | |
| Input Threshold | CMOS | Hysteresis for Noise Immunity | |
| Channel Configuration | Dual, Non-Inverting | Independent Enable Pins |
Key Features
- Dual-channel, non-inverting gate driver with independent enable pins.
- CMOS input logic with hysteresis for improved noise immunity.
- Fast propagation delay (17ns typical) and matched channel-to-channel delay (1ns typical).
- Low output impedance for high peak current drive capability (5A source/sink).
- Wide input voltage range (4.5V to 18V) for versatile applications.
- Output remains low when inputs are floating, ensuring safe operation.
Applications
The UCC27528DSDR is widely used in power electronics applications, including:
- Industrial Automation: Driving MOSFETs and IGBTs in motor control and power inverters.
- Automotive Electronics: Supporting high-speed switching in electric vehicle (EV) power systems.
- Renewable Energy: Enabling efficient power conversion in solar inverters and wind turbines.
- Consumer Electronics: Powering high-performance audio amplifiers and switching power supplies.
Q & A
1. What is the peak output current of the UCC27528DSDR?
The peak output current is 5A, capable of both sourcing and sinking.
2. What is the operating voltage range?
The operating voltage range is 4.5V to 18V.
3. What is the typical propagation delay?
The typical propagation delay is 17ns.
4. Does the UCC27528DSDR support dual-channel operation?
Yes, it features dual non-inverting channels with independent enable pins.
5. What is the input logic threshold?
The input logic threshold is based on CMOS logic with hysteresis for noise immunity.
6. What is the package type?
The UCC27528DSDR is packaged in an SON-8 form factor.
7. What are the typical rise and fall times?
The typical rise time is 7ns, and the fall time is 6ns.
8. Is the UCC27528DSDR suitable for automotive applications?
Yes, it is designed for high-reliability applications, including automotive systems.
9. What happens when the input pins are floating?
The output remains low when inputs are floating, ensuring safe operation.
10. What is the operating temperature range?
The operating temperature range is -40°C to 140°C.
