Overview
The UCC21732DWR is a galvanic isolated single channel gate driver designed by Texas Instruments for driving SiC MOSFETs and IGBTs up to 2121V DC operating voltage. This driver is equipped with advanced protection features, best-in-class dynamic performance, and robustness. It offers up to ±10A peak source and sink current, making it suitable for high-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC (DW) - 16 pins |
| Operating Temperature Range | -40°C to 125°C |
| Maximum Output Drive Voltage (VDD-VEE) | 33V |
| Drive Strength | ±10A |
| Common Mode Transient Immunity (CMTI) | >150V/ns |
| Response Time for Fast Overcurrent Protection | 270ns |
| Propagation Delay | 130ns (maximum) |
| Pulse/Part Skew | 30ns (maximum) |
| Isolation Voltage | 5700VRMS for 1 minute per UL1577, 8000VPK VIOTM and 2121VPK VIORM |
| Operating Junction Temperature | -40°C to 150°C |
Key Features
- 5.7kVRMS single channel isolated gate driver
- Support for SiC MOSFETs and IGBTs up to 2121Vpk
- Fast overcurrent and short circuit detection
- Shunt current sensing support and fault reporting
- Active Miller clamp and input/output side power supply UVLO
- Isolated analog sensor with PWM output for temperature or voltage sensing
- Alarm FLT on overcurrent and reset from RST/EN
- Fast enable/disable response on RST/EN
- Reject <40ns noise transient and pulse on input pins
- Inputs/outputs with over/under-shoot transient voltage immunity up to 5V
- SOIC-16 DW package with creepage and clearance distance > 8mm
Applications
The UCC21732DWR is suitable for various high-power applications, including but not limited to:
- Industrial power supplies and inverters
- Electric vehicle (EV) and hybrid electric vehicle (HEV) systems
- Renewable energy systems such as solar and wind power
- High-voltage DC-DC converters and motor drives
Q & A
- What is the maximum operating voltage supported by the UCC21732DWR?
The UCC21732DWR supports SiC MOSFETs and IGBTs up to 2121V DC operating voltage.
- What is the drive strength of the UCC21732DWR?
The UCC21732DWR has a drive strength of ±10A.
- What is the response time for fast overcurrent protection in the UCC21732DWR?
The response time for fast overcurrent protection is 270ns.
- Does the UCC21732DWR have isolated analog sensing capabilities?
Yes, the UCC21732DWR includes an isolated analog sensor with PWM output for temperature or voltage sensing.
- What is the operating temperature range of the UCC21732DWR?
The operating temperature range is -40°C to 125°C.
- What kind of isolation does the UCC21732DWR provide?
The UCC21732DWR provides galvanic isolation with SiO2 capacitive isolation technology, supporting up to 1.5kVRMS working voltage and 12.8kVPK surge immunity.
- Does the UCC21732DWR have safety-related certifications?
Yes, it has certifications such as 8000VPK VIOTM and 2121VPK VIORM Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17) and 5700VRMS isolation for 1 minute per UL1577.
- What is the propagation delay and pulse/part skew of the UCC21732DWR?
The propagation delay is 130ns (maximum) and the pulse/part skew is 30ns (maximum).
- How does the UCC21732DWR handle noise transients?
The UCC21732DWR can reject noise transients and pulses on input pins that are less than 40ns.
- What is the package type and pin count of the UCC21732DWR?
The package type is SOIC (DW) with 16 pins.
