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TI's latest gate drivers ready for fast IGBT charging

12 Mar 2013

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 UCC27531

Texas Instruments has recently rolled out two Two 35-V single-channel gate drivers. The UCC27531 and UCC27532, drive insulated-gate bipolar transistor (IGBT) and silicon carbide (SiC) FET power switches with 2.5-A source and 5-A sink peak drive currents provide a split-output configuration that allows independent turn-on and turn-off tuning and prevents damage to the IGBT/MOSFET.

The UCC27531 and UCC27532 support renewable energy and industrial applications, such as solar DC/AC inverters, uninterruptible power supplies, and electric vehicle charging. A typical propagation delay time of 17 ns optimises driver efficiency, while UVLO settings and rail-to-tail output voltage provide system protection.

The UCC27531 has TTL/CMOS-compatible input logic threshold, which is fixed and independent of VDD supply voltage. The UCC27532 has CMOS-compatible input logic threshold, which becomes fixed at VDD above 18 V.

Housed in 6-pin SOT-23 packages, the UCC27531 and UCC27532 gate drivers cost $0.75 each in lots of 1000. An IGBT driver daughter-card evaluation module (UCC27531EVM-184) is available for $49.

Here are the datasheets for the UCC27531 and the UCC27532.




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