FAN7389 Datasheet, PDF (1/18 Pages) Fairchild Semiconductor – 3-Phase Half-Bridge Gate-Drive IC

September 2010
FAN7389
3-Phase Half-Bridge Gate-Drive IC
Features
ƒ Floating Channel for Bootstrap Operation to +600V
ƒ Typically 350mA/650mA Sourcing/Sinking Current
Driving Capability for All Channels
ƒ Extended Allowable Negative VS Swing to -9.8V for
Signal Propagation at VDD=VBS=15V
ƒ Output In-Phase with Input Signal
ƒ Over-Current Shutdown Turns off All Six Drivers
ƒ Matched Propagation Delay for All Channels
ƒ 3.3V and 5V Input Logic Compatible
ƒ Adjustable Fault-Clear Timing
ƒ Built-in Advanced Input Filter
ƒ Built-in Shoot-Through Prevention Logic
ƒ Built-in Soft Turn-Off Function
ƒ Common-Mode dv/dt Noise Canceling Circuit
ƒ Built-in UVLO Functions for All Channels
Applications
ƒ 3-Phase Motor Inverter Driver
ƒ Air Conditioners
ƒ Washing Machines
ƒ General-Purpose Three-Phase Inverters
Description
The FAN7389 is a monolithic three-phase half-bridge
gate-drive IC designed for high-voltage, high-speed
driving MOSFETs and IGBTs operating up to +600V.
Fairchild’s high-voltage process and common-mode
noise canceling technique provide stable operation of
high-side drivers under high-dv/dt noise circumstances.
An advanced level-shift circuit allows high-side gate
driver operation up to VS = -9.8V (typical) for VBS =15V.
The protection functions include under-voltage lockout
and inverter over-current trip with an automatic fault-
clear function.
Over-current protection that terminates all six outputs
can be derived from an external current-sense resistor.
An open-drain fault signal is provided to indicate that an
over-current or under-voltage shutdown has occurred.
The UVLO circuits prevent malfunction when VDD and
VBS are lower than the specified threshold voltage.
Output drivers typically source and sink 350mA and
650mA, respectively; which is suitable for three-phase
half-bridge applications in motor drive systems.
24-SOIC
Ordering Information
Part Number
Package
Operating Temperature
FAN7389M⁽¹⁾
FAN7389MX⁽¹⁾
24-SOP
-40 to +125°C
Note:
1. These devices passed wave soldering test by JESD22A-111.
Packing Method
Tube
Tape & Reel
© 2010 Fairchild Semiconductor Corporation
FAN7389 • Rev. 1.0.0
www.fairchildsemi.com