Texas Instruments UCC21759QDWRQ1

The UCC21759-Q1 is a galvanic isolated single channel gate driver designed by Texas Instruments for driving SiC MOSFETs and IGBTs up to 900V DC operating voltage. This device is distinguished by its advanced protection features, best-in-class dynamic performance, and robustness. It is AEC-Q100 qualified, making it suitable for automotive applications. The UCC21759-Q1 features high peak drive current, high common mode transient immunity (CMTI), and state-of-the-art protection mechanisms such as fast short circuit detection and fault reporting. The device also includes an isolated analog to PWM sensor for temperature or voltage sensing, enhancing its versatility and simplifying system design.

• 3kVRMS single channel isolated gate driver
• AEC-Q100 qualified for automotive applications
• Device temperature grade 1: -40°C to +125°C ambient operating temperature range
• High peak drive current and high CMTI
• ±10A drive strength and split output
• Fast short circuit detection and fault reporting
• Active Miller clamp and input/output side power supply UVLO
• Isolated analog to PWM sensor for temperature or voltage sensing
• Alarm FLT on over current and reset from RST/EN
• Fast enable/disable response on RST/EN
• Rejects <40ns noise transients and pulses on input pins
• 12V VDD UVLO with power good on RDY
• Inputs/outputs with over/under-shoot transient voltage immunity up to 5V

The UCC21759-Q1 is designed for use in various high-voltage applications, particularly those involving SiC MOSFETs and IGBTs. Key applications include:

• Automotive systems: Given its AEC-Q100 qualification, it is suitable for automotive power electronics such as electric vehicle (EV) chargers, DC-DC converters, and motor drives.
• Industrial power systems: It can be used in high-power industrial applications like power supplies, motor drives, and renewable energy systems.
• Renewable energy systems: Suitable for solar and wind power inverters due to its high voltage and current handling capabilities.
• Medical equipment: High reliability and isolation make it suitable for medical devices requiring high voltage and current control.

1. What is the maximum operating voltage for the UCC21759-Q1?

   The UCC21759-Q1 can drive SiC MOSFETs and IGBTs up to 900V DC operating voltage.

2. What is the isolation working voltage of the UCC21759-Q1?

   The device supports up to 636VRMS working voltage with SiO2 capacitive isolation technology.

3. What are the key protection features of the UCC21759-Q1?

   The device includes fast short circuit detection, fault reporting, active Miller clamp, and input/output side power supply UVLO.

4. What is the common mode transient immunity (CMTI) of the UCC21759-Q1?

   The CMTI is greater than 150V/ns.

5. What is the response time for fast DESAT protection in the UCC21759-Q1?

   The response time for fast DESAT protection is 200ns.

6. Does the UCC21759-Q1 have any safety-related certifications?

   Yes, it has safety-related certifications including 4242VPK basic isolation per EN IEC 60747-17 (VDE 0884-17).

7. What is the operating temperature range of the UCC21759-Q1?

   The operating temperature range is -40°C to +150°C.

8. What type of isolation technology does the UCC21759-Q1 use?

   The device uses SiO2 capacitive isolation technology.

9. Can the UCC21759-Q1 reject noise transients?

   Yes, it rejects noise transients and pulses on input pins less than 40ns.

10. What is the purpose of the isolated analog to PWM sensor in the UCC21759-Q1?

    The isolated analog to PWM sensor is used for temperature or voltage sensing, enhancing the driver's versatility and simplifying system design.

11. What is the package type and pin count of the UCC21759-Q1?

    The package type is SOIC-16 DW with 16 pins.