The UCC27712-Q1 is
a 620-V high-side and low-side gate driver with 1.8-A source, 2.8-A sink current, targeted to drive
power MOSFETs or IGBTs.
The recommended VDD operating voltage is 10-V to 20-V for IGBTs and 10-V to 17-V for
includes protection features where the outputs are held low when the inputs are left open or when
the minimum input pulse width specification is not met. Interlock and deadtime functions prevent
both outputs from being turned on simultaneously. In addition, the device accepts a wide range bias
supply range from 10 V to 22 V, and offers UVLO protection for both the VDD and HB bias
Developed with TIs state of the art high-voltage device technology, the device features
robust drive with excellent noise and transient immunity including large negative voltage tolerance
on its inputs, high dV/dt tolerance, wide negative transient safe operating area (NTSOA) on the
switch node (HS), and interlock.
The device consists of one ground-referenced channel (LO) and one floating channel (HO)
which is designed for operating with bootstrap or isolated power supplies. The device features fast
propagation delays and excellent delay matching between both channels. On the
UCC27712-Q1, each channel is
controlled by its respective input pins, HI and LI.
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