Overview
The UCC21222DR is an isolated dual-channel gate driver from Texas Instruments, designed to drive power MOSFET, SiC, GaN, and IGBT transistors. This device features programmable dead time and a wide temperature range, making it versatile for various power applications. It can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver. The UCC21222DR is characterized by its high efficiency, high power density, and robustness, thanks to its advanced protection features and high isolation barrier.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Junction Temperature Range | –40 to +150 | °C |
| Peak Source Current | Up to 4 | A |
| Peak Sink Current | Up to 6 | A |
| Common-Mode Transient Immunity (CMTI) | > 125 | V/ns |
| VDD Output Drive Supply | Up to 25 | V |
| UVLO Options | 8V | V |
| Propagation Delay | 33ns (typical) | ns |
| Pulse-Width Distortion | 5ns (maximum) | ns |
| VDD Power-Up Delay | 10µs (maximum) | µs |
| Isolation Barrier | 3kVRMS | Vrms |
| Package | SOIC-16 |
Key Features
- Universal configuration: dual low-side, dual high-side, or half-bridge driver
- Programmable dead time using an external resistor
- Fast disable feature to shut down both outputs simultaneously
- Integrated de-glitch filter to reject input transients shorter than 5ns
- UVLO protection for all power supplies
- High common-mode transient immunity (CMTI) greater than 125V/ns
- Safety-related certifications: 4242VPK isolation per DIN EN IEC 60747-17, 3000VRMS isolation for 1 minute per UL 1577, and CQC Certification per GB4943.1-2022
Applications
- On-board battery chargers
- High-voltage DC-DC converters
- Automotive HVAC and body electronics
- Power supplies and bus converters in wired networking equipment
Q & A
- What is the junction temperature range of the UCC21222DR?
The junction temperature range is –40 to +150°C. - What are the peak source and sink currents of the UCC21222DR?
The peak source current is up to 4A, and the peak sink current is up to 6A. - What is the common-mode transient immunity (CMTI) of the UCC21222DR?
The CMTI is greater than 125V/ns. - What are the UVLO options for the UCC21222DR?
The UVLO options are 8V. - What is the typical propagation delay of the UCC21222DR?
The typical propagation delay is 33ns. - What is the maximum pulse-width distortion of the UCC21222DR?
The maximum pulse-width distortion is 5ns. - What is the isolation barrier of the UCC21222DR?
The isolation barrier is 3kVRMS. - What safety-related certifications does the UCC21222DR have?
The device has certifications for 4242VPK isolation per DIN EN IEC 60747-17, 3000VRMS isolation for 1 minute per UL 1577, and CQC Certification per GB4943.1-2022. - Can the UCC21222DR be configured in different driver modes?
Yes, it can be configured as two low-side drivers, two high-side drivers, or a half-bridge driver. - What protection features does the UCC21222DR include?
The device includes programmable dead time, fast disable feature, integrated de-glitch filter, and UVLO protection for all power supplies.
