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Isolated gate drivers with integrated sensing and improved advanced monitoring for IGBTs and SiC MOSFETs

IGBT and SiC Gate Drivers
IGBT and SiC Gate Drivers


Texas Instrument released new isolated gate drivers that provide advanced monitoring and protection while improving total system efficiency in automotive and industrial applications. The devices The UCC21710-Q1, UCC21732-Q1 and UCC21750 are the industry’s first to offer integrated sensing features for insulated-gate bipolar transistors (IGBTs) and silicon carbide (SiC) metal-oxide semiconductor field-effect transistors (MOSFETs) to simplify designs and enable greater system reliability in applications operating up to 1.5 KVRMS


The UCC21710-Q1, UCC21732-Q1 and UCC21750 utilises capacitive isolation technology and maximize insulation barrier lifetimes while providing high reinforced isolation ratings, fast data speeds and high-density packaging. The devices come with integrated components and provide fast detection time to protect against overcurrent events while ensuring safe system shutdown. The new gate drivers offer a wide junction temperature range from -40 0C to +150 0C and high CMTI greater than 100 V/ns – enabling designers to achieve levels of performance not available with traditional optocouplers. The devices eliminate external components with integrated buffers and sensors while providing accurate temperature, current or voltage sensing, with an isolated analog-to-pulse-width modulation sensor to simplify system-level diagnostics and prevent switch failures. 


The features include:

  • System Robustness: The devices comes in robust 16-pin plastic small-outline integrated circuit (SOIC) package enable designers to create smaller, more efficient and higher-performing designs in traction inverters, onboard chargers, solar inverters and motor drives. 
  • Enhanced system performance: The new isolated gate drivers’ high peak drive strength of ±10 A maximize switching behavior and reduce losses, while 200 ns of overcurrent detection enables fast system protection.
  • Strengthened system-level reliability: The UCC217xx family extends insulation barrier lifetimes with capacitive isolation technology and industry-leading reinforced isolation ratings with surge immunity up to 12.8 kV. Additionally, the devices ensure accurate data communication with common-mode transient immunity (CMTI) of more than 150 V/ns.

TI also introduced the UCC23513 which is an opto-compatible gate driver with 3A drive strength and 5KVRMS reinforced safety isolation. Designers can accelerate time to market with the UCC23513’s pin-to-pin compatibility with opto isolated gate drivers and ready-to-use design resources.


The pre-production samples of the UCC21710-Q1, UCC21732-Q1,  UCC21750 and UCC23513 gate drivers are available now in the TI store with availability of evaluation module. The three gate drivers UCC21710-Q1, UCC21732-Q1, UCC21750 and UCC23513 comes in the 16-pin plastic small-outline integrated circuit (SOIC) and can be ordered in 1,000 unit quantities. The price of the UCC21710-Q1, UCC21732-Q1, UCC21750 are US$4.00, US$4.00 and US$3.48 respectively. Also the UCC23513 costs US$2.08 in 6-pin plastic SOIC package.

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