Overview
The UCC21710-Q1 is a galvanic isolated single-channel gate driver designed by Texas Instruments for driving up to 1700-V SiC MOSFETs and IGBTs. This component is AEC-Q100 qualified for automotive applications and features advanced protection mechanisms, best-in-class dynamic performance, and robustness. It is particularly suited for high-voltage applications, including traction inverters, on-board chargers, and DC/DC converters in hybrid and electric vehicles.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Isolation Voltage | 5.7 kVrms | |
| Drive Current | ±10 A | |
| Maximum Output Drive Voltage (VDD-VEE) | 33 V | |
| Common Mode Transient Immunity (CMTI) | >150 V/ns | |
| Response Time for Overcurrent Protection | 270 ns | |
| Internal Active Miller Clamp | 4 A | |
| Soft Turn-Off Current When Fault Occurs | 400 mA | |
| Operating Temperature Range | -40°C to +125°C | |
| Package Type | SOIC-16 DW | |
| Creepage and Clearance Distance | > 8 mm | |
| Junction Temperature Range | -40°C to 150°C | |
| Safety Certifications | Reinforced insulation per DIN EN IEC 60747-17, UL 1577 component recognition program |
Key Features
- Galvanic isolation using SiO2 capacitive isolation technology, supporting up to 1.5 kVrms working voltage and 12.8 kVpk surge immunity.
- Advanced protection features including fast overcurrent and short circuit detection, shunt current sensing support, fault reporting, and active Miller clamp.
- Isolated analog to PWM sensor for temperature or voltage sensing.
- Input and output side power supply UVLO for optimizing SiC and IGBT switching behavior.
- Reject <40ns noise transient and pulse on input pins.
- 12V VDD UVLO with power good on RDY.
- Inputs/outputs with over/under-shoot transient voltage immunity up to 5V.
- Fast enable/disable response on RST/EN.
- Alarm FLT on overcurrent and reset from RST/EN.
Applications
- Traction inverters for electric vehicles (EVs).
- On-board chargers and charging piles.
- DC/DC converters for hybrid and electric vehicles (HEVs/EVs).
Q & A
- What is the isolation voltage of the UCC21710-Q1?
The UCC21710-Q1 has an isolation voltage of 5.7 kVrms.
- What is the maximum drive current of the UCC21710-Q1?
The maximum drive current is ±10 A.
- What are the advanced protection features of the UCC21710-Q1?
The UCC21710-Q1 includes fast overcurrent and short circuit detection, shunt current sensing support, fault reporting, and an active Miller clamp.
- What is the operating temperature range of the UCC21710-Q1?
The operating temperature range is -40°C to +125°C.
- What package type is the UCC21710-Q1 available in?
The UCC21710-Q1 is available in a SOIC-16 DW package.
- What safety certifications does the UCC21710-Q1 have?
The UCC21710-Q1 has reinforced insulation per DIN EN IEC 60747-17 and UL 1577 component recognition program certifications.
- How does the UCC21710-Q1 handle noise transients?
The UCC21710-Q1 can reject noise transients and pulses on input pins that are less than 40ns.
- What is the purpose of the isolated analog to PWM sensor in the UCC21710-Q1?
The isolated analog to PWM sensor is used for easier temperature or voltage sensing, increasing the driver's versatility and simplifying system design.
- What are some common applications of the UCC21710-Q1?
Common applications include traction inverters for EVs, on-board chargers, and DC/DC converters for HEVs/EVs.
- How does the UCC21710-Q1 ensure power supply stability?
The UCC21710-Q1 includes input and output side power supply UVLO to optimize SiC and IGBT switching behavior.
