L6491 High voltage high and low-side 4 A gate driver Datasheet - production data Applications Motor driver for home appliances, factory automation, industrial drives and fans HID ballasts Power supply unit SO-14 Induction heating Wireless chargers Industrial inverters Features UPS High voltage rail up to 600 V dV/dt immunity 50 V/ns in full temperature Description range The L6491 is a high voltage device manufactured Driver current capability: 4 A source/sink with the BCD6 OFF-LINE technology. It is Switching times 15 ns rise/fall with 1 nF load a single-chip half-bridge gate driver for N-channel 3.3 V, 5 V TTL/CMOS inputs with hysteresis power MOSFET or IGBT. Integrated bootstrap diode The high-side (floating) section is designed to Comparator for fault protections stand a voltage rail up to 600 V. The logic inputs are CMOS/TTL compatible down to 3.3 V for easy Smart shutdown function interfacing microcontroller/DSP. Adjustable deadtime An integrated comparator is available for fast Interlocking function protection against overcurrent, overtemperature, Compact and simplified layout etc. Bill of material reduction Table 1. Device summary Effective fault protection Order code Package Packaging Flexible, easy and fast design L6491D SO-14 Tube L6491DTR SO-14 Tape and reel March 2015 DocID024832 Rev 1 1/24 This is information on a product in full production. www.st.comContents L6491 Contents 1 Block diagram 3 2 Pin connection 4 3 Truth table . 5 4 Electrical data 6 4.1 Absolute maximum ratings . 6 4.2 Thermal data . 6 4.3 Recommended operating conditions . 7 5 Electrical characteristics . 8 5.1 AC operation . 8 5.2 DC operation .11 6 Waveform definitions . 14 7 Smart shutdown function 15 8 Typical application diagram 17 9 Bootstrap driver . 18 C selection and charging . 18 BOOT 10 Package information 20 11 Revision history . 23 2/24 DocID024832 Rev 1