Overview
The UCC21540-Q1 device, produced by Texas Instruments, is an isolated dual-channel gate driver designed for high-performance and robust operation in a wide range of applications. It features programmable dead time and a wide temperature range, making it suitable for extreme environmental conditions. The device is AEC Q100 qualified and supports functional safety system design, ensuring reliability and safety in critical applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Junction Temperature Range | –40°C to 150°C | °C |
| VDD Output Drive Supply | Up to 18V | V |
| VDD UVLO Options | 5V and 8V | V |
| Peak Source/Sink Current | 4A / 6A | A |
| Propagation Delay | 33ns (typical) | ns |
| Pulse-Width Distortion | 6ns (maximum) | ns |
| VDD Power-Up Delay | 10µs (maximum) | µs |
| Common-Mode Transient Immunity (CMTI) | Greater than 125V/ns | V/ns |
| Isolation Barrier | 5.7kVRMS | kVRMS |
| Package | SOIC 14 (DWK) |
Key Features
- AEC Q100 qualified with device temperature grade 1.
- Functional Safety Quality-Managed with available documentation to aid in functional safety system design.
- Programmable dead time and wide temperature range for consistent performance under extreme conditions.
- Up to 18V VDD output drive supply with 5V and 8V VDD UVLO options.
- High common-mode transient immunity (CMTI) greater than 125V/ns.
- Protection features include resistor programmable dead time, disable feature to shut down both outputs simultaneously, and negative voltage handling for up to –5-V spikes on input pins.
- All supplies have UVLO protection.
- Configurable as two low-side drivers, two high-side drivers, or a half-bridge driver.
Applications
- HEV and EV battery chargers.
- Isolated converters in AC-to-DC and DC-to-DC power supplies.
- Motor drives and inverters.
- Uninterruptible power supply (UPS).
Q & A
- What is the junction temperature range of the UCC21540-Q1?
The junction temperature range is –40°C to 150°C. - What are the VDD UVLO options for the UCC21540-Q1?
The VDD UVLO options are 5V and 8V. - What is the peak source/sink current of the UCC21540-Q1?
The peak source/sink current is 4A / 6A. - What is the common-mode transient immunity (CMTI) of the UCC21540-Q1?
The CMTI is greater than 125V/ns. - What types of configurations are possible with the UCC21540-Q1?
The device can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver. - What is the isolation barrier rating of the UCC21540-Q1?
The isolation barrier is rated at 5.7kVRMS. - What are some of the protection features of the UCC21540-Q1?
Protection features include resistor programmable dead time, disable feature to shut down both outputs simultaneously, and negative voltage handling for up to –5-V spikes on input pins. - What are the typical applications of the UCC21540-Q1?
Typical applications include HEV and EV battery chargers, isolated converters in AC-to-DC and DC-to-DC power supplies, motor drives and inverters, and uninterruptible power supply (UPS). - Is the UCC21540-Q1 AEC Q100 qualified?
Yes, the UCC21540-Q1 is AEC Q100 qualified with device temperature grade 1. - Does the UCC21540-Q1 support functional safety system design?
Yes, the UCC21540-Q1 is Functional Safety Quality-Managed with available documentation to aid in functional safety system design.
