L6491 Datasheet, PDF (1/24 Pages) STMicroelectronics – Power supply unit

L6491
High voltage high and low-side 4 A gate driver
SO-14
Features
 High voltage rail up to 600 V
 dV/dt immunity ± 50 V/ns in full temperature
range
 Driver current capability: 4 A source/sink
 Switching times 15 ns rise/fall with 1 nF load
 3.3 V, 5 V TTL/CMOS inputs with hysteresis
 Integrated bootstrap diode
 Comparator for fault protections
 Smart shutdown function
 Adjustable deadtime
 Interlocking function
 Compact and simplified layout
 Bill of material reduction
 Effective fault protection
 Flexible, easy and fast design
Datasheet - production data
Applications
 Motor driver for home appliances, factory
automation, industrial drives and fans
 HID ballasts
 Power supply unit
 Induction heating
 Wireless chargers
 Industrial inverters
 UPS
Description
The L6491 is a high voltage device manufactured
with the BCD6 “OFF-LINE” technology. It is
a single-chip half-bridge gate driver for N-channel
power MOSFET or IGBT.
The high-side (floating) section is designed to
stand a voltage rail up to 600 V. The logic inputs
are CMOS/TTL compatible down to 3.3 V for easy
interfacing microcontroller/DSP.
An integrated comparator is available for fast
protection against overcurrent, overtemperature,
etc.
Table 1. Device summary
Order code
Package
Packaging
L6491D
L6491DTR
SO-14
SO-14
Tube
Tape and reel
March 2015
This is information on a product in full production.
DocID024832 Rev 1
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