Overview
The UCC21750-Q1 is a galvanic isolated single-channel gate driver designed by Texas Instruments for driving SiC MOSFETs and IGBTs up to 2121-V DC operating voltage. This device is engineered with advanced protection features, best-in-class dynamic performance, and robustness, making it ideal for high-voltage applications. The UCC21750-Q1 is AEC-Q100 qualified for automotive applications and operates within an ambient temperature range of -40°C to +125°C. It features SiO2 capacitive isolation technology, supporting up to 1.5-kV RMS working voltage and 12.8-kV PK surge immunity, ensuring long-term reliability and high common mode noise immunity (CMTI) of over 150 V/ns.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOIC-16 DW |
| Pins | 16 |
| Operating Temperature Range (°C) | -40 to 125 |
| Maximum Output Drive Voltage (VDD – VEE) | 33 V |
| Drive Strength | ±10 A |
| Common Mode Transient Immunity (CMTI) | 150 V/ns (minimum) |
| Response Time for Fast DESAT Protection | 200 ns |
| Internal Active Miller Clamp | 4 A |
| Soft Turn-Off Current When Fault Occurs | 400 mA |
| Propagation Delay | 130 ns (maximum) |
| Pulse/Part Skew | 30 ns (maximum) |
| Isolation Working Voltage | 1.5 kV RMS |
| Surge Immunity | 12.8 kV PK |
| ESD Classification | HBM Level 3A, CDM Level C3 |
Key Features
- 5.7-kV RMS single-channel isolated gate driver
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1: -40°C to +125°C ambient operating temperature range
- Support for SiC MOSFETs and IGBTs up to 2121-V DC operating voltage
- 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 and disable response on RST/EN
- Reject < 40-ns noise transient and pulse on input pins
- 12-V VDD UVLO with power good on RDY
- Inputs/outputs with over/under-shoot transient voltage immunity up to 5 V
- SOIC-16 DW package with creepage and clearance distance > 8 mm
- Safety-related certifications: Reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17) and UL 1577 component recognition program.
Applications
The UCC21750-Q1 is designed for use in high-voltage applications, particularly in the automotive sector due to its AEC-Q100 qualification. It is suitable for driving SiC MOSFETs and IGBTs in various systems such as electric vehicles, hybrid electric vehicles, and other automotive power electronics. Additionally, it can be used in industrial power conversion systems, renewable energy systems, and any application requiring robust and reliable gate driving with advanced protection features.
Q & A
- What is the operating temperature range of the UCC21750-Q1?
The UCC21750-Q1 operates within an ambient temperature range of -40°C to +125°C.
- What is the maximum output drive voltage of the UCC21750-Q1?
The maximum output drive voltage is 33 V (VDD – VEE).
- What is the drive strength of the UCC21750-Q1?
The drive strength is ±10 A.
- What is the common mode transient immunity (CMTI) of the UCC21750-Q1?
The CMTI is greater than 150 V/ns.
- What safety certifications does the UCC21750-Q1 have?
The UCC21750-Q1 has reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17) and UL 1577 component recognition program.
- What type of isolation technology does the UCC21750-Q1 use?
The UCC21750-Q1 uses SiO2 capacitive isolation technology.
- What is the response time for fast DESAT protection in the UCC21750-Q1?
The response time for fast DESAT protection is 200 ns.
- Does the UCC21750-Q1 support temperature sensing?
Yes, the UCC21750-Q1 includes an isolated analog sensor with PWM output for temperature sensing using NTC, PTC, or thermal diode.
- What is the propagation delay of the UCC21750-Q1?
The propagation delay is 130 ns (maximum).
- Is the UCC21750-Q1 suitable for automotive applications?
Yes, the UCC21750-Q1 is AEC-Q100 qualified for automotive applications.
- What is the package type of the UCC21750-Q1?
The package type is SOIC-16 DW.
