Overview
The UCC21520AQDWQ1 is an isolated dual-channel gate driver produced by Texas Instruments. It is designed to drive power MOSFETs, IGBTs, and SiC MOSFETs up to 5MHz. This device features a 4A source and 6A sink peak current, making it suitable for high-power applications. The input side is isolated from the two output drivers by a 5.7kVRMS reinforced isolation barrier, ensuring high reliability and safety. The UCC21520AQDWQ1 is AEC-Q100 qualified and meets various safety standards, including CSA, UL, and CQC certifications, making it ideal for automotive and other demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 16-SOIC (DW) |
| Operating Temperature Range | -40°C to 125°C |
| Peak Output Current | 4A source, 6A sink |
| Input VCCI Range | 3V to 18V |
| VDD Output Drive Supply | Up to 25V |
| Propagation Delay (tpLH / tpHL) | Typical 33ns, Maximum 30ns |
| Pulse Width Distortion | Maximum 6ns |
| Common Mode Transient Immunity (CMTI) | Greater than 125V/ns |
| Isolation Voltage | 5.7kVRMS |
| Surge Immunity | Up to 10kV |
Key Features
- Qualified for automotive applications and AEC-Q100 certified with device temperature grade 1.
- Functional safety quality-managed with junction temperature range of –40°C to +150°C.
- Programmable overlap and dead time, and fast disable for power sequencing.
- Isolation barrier life greater than 40 years.
- Safety-related certifications including 8000VPK reinforced isolation, CSA, UL, and CQC certifications.
- Wide input VCCI range from 3V to 18V to interface with both digital and analog controllers.
- VDD UVLO options of 5V and 8V.
- Configurable as two low-side drivers, two high-side drivers, or a half-bridge driver.
- Fail-safe measure: primary-side logic failures force both outputs low.
Applications
- Automotive systems, including electric vehicles and hybrid electric vehicles.
- Industrial power supplies and motor drives.
- Renewable energy systems, such as solar and wind power inverters.
- High-power density applications requiring robust and efficient gate driving.
- Medical equipment and other safety-critical systems requiring high isolation and reliability.
Q & A
- What is the peak output current of the UCC21520AQDWQ1? The UCC21520AQDWQ1 has a peak output current of 4A source and 6A sink.
- What is the operating temperature range of the UCC21520AQDWQ1? The operating temperature range is -40°C to 125°C.
- What is the input VCCI range of the UCC21520AQDWQ1? The input VCCI range is from 3V to 18V.
- What is the maximum VDD output drive supply voltage? The maximum VDD output drive supply voltage is up to 25V.
- What safety certifications does the UCC21520AQDWQ1 have? It has certifications including 8000VPK reinforced isolation, CSA, UL, and CQC.
- Can the UCC21520AQDWQ1 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 with programmable dead time.
- What is the common-mode transient immunity (CMTI) of the UCC21520AQDWQ1? The CMTI is greater than 125V/ns.
- What is the surge immunity of the UCC21520AQDWQ1? The surge immunity is up to 10kV.
- Is the UCC21520AQDWQ1 suitable for automotive applications? Yes, it is qualified for automotive applications and AEC-Q100 certified.
- What is the isolation voltage of the UCC21520AQDWQ1? The isolation voltage is 5.7kVRMS.
