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The UCC27712DR is a 620V high-side and low-side gate driver with 1.8A pull-current, 2.8A sink-current capability designed to drive power MOSFETs or IGBTs.

The recommended VDD operating voltage is 10V to 20V for IGBTs and 10V to 17V for power MOSFETs.

The UCC27712DR includes a protection function where the output is held low while the input remains open or when the minimum input pulse width specification is not met. An interlock and dead time function prevents both outputs from opening simultaneously. In addition, the device accepts a wide range of bias supplies and provides UVLO protection for the VDD and HB bias supplies.

Using TI's advanced high-voltage device technology, the device features powerful drivers with excellent noise and transient immunity, including large negative input voltage tolerance, high dV/dt tolerance, wide negative transient safe operating area (NTSOA) at the switch node, and interlocking.

The device contains a grounded reference channel (LO) and a hung channel (HO), which is dedicated to bootstrap or isolated power supply operation. The device features fast propagation delays and excellent delay matching between the two channels. On the UCC27712DR, each channel is controlled by its own input pins, HI and LI.

UCC27712DR Features

High-side and low-side configurations

Dual inputs with output interlocking and 150ns dead time

Fully functional at voltages up to 620V, with an absolute maximum voltage of 700V on the HB pin

VDD recommended range of 10V to 20V

Peak output current 2.8A sink current, 1.8A pull current

dv/dt immunity of 50V/ns

Logic operation up to -11V on HS pin

Negative input voltage tolerance of -5V

Large negative transient safe operating area

UVLO protection for both channels

Short propagation delay (100ns typical)

Delay matching (12ns typical)

Suspended channels designed for bootstrap operation

Low quiescent current

TTL and CMOS compatible inputs

Industry-standard SOIC-8 package

Temperature range rated for all parameters: -40°C to +125°C

UCC27712DR Applications

Motor drives (stepper motors, HVAC, fans, power tools, robots, drones)

Bridge converters in offline AC/DC power supplies

High-density switch-mode power supplies for servers, telecoms, IT and industrial infrastructure

DC to AC inverters

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