The L6391 is a high-voltage high and low side driver from ST. It supports up to 600V input voltage and has overcurrent, overtemperature protection functions. It is suitable for home appliances, industrial drives, fans, etc.
The L6391 is a single-chip half-bridge gate driver designed for N-channel power MOSFET or IGBT applications. It features a high-voltage rail capability up to 600 V and includes an integrated bootstrap diode to simplify circuit design. The device offers high driver current capability, with 290 mA source and 4830 mA sink, ensuring fast switching times of 75/35 nsec with a 1 nF load.
| Bootstrap voltage | up to 620 V |
|---|---|
| Driver current source | 290 mA |
| Driver current sink | 4830 mA |
| Rise time | 75 ns typical |
The high side section is designed to stand a voltage rail up to 600 V.
Yes, the logic inputs are CMOS/TTL compatible down to 3.3 V.
Yes, it includes an integrated comparator for protections against overcurrent and overtemperature.