E523.50 72V 3x HALF-BRIDGE DRIVER WITH INTEGRATED POWER SUPPLIES
PRELIMINARY INFORMATION -MAR 6, 2018 Features General Description ГїГї ГїГї
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ГїГї ГїГї The E523.50 IC is a compact and robust high-voltage
BLDC (brush-less DC) motor driver for industrial and automotive applications.
A DC/DC buck converter efficiently provides a
11V/100mA supply for the gate drivers and other loads.
An internal 3.3V regulator can supply a small microcontroller up to 20mA. An optional external transistor can
be used for larger load currents.
The IC contains 3 half-bridge gate drivers (3 high-side
and 3 low-side gate drivers). They are controlled by a
high-voltage enable input, a digital RUN pin and 6 digital control inputs. The device is configurable for 6 direct
control inputs, or 3 enable inputs and the 3 PWM inputs. In the latter case, dead time can be adjusted with
an external resistor. Two error outputs indicate overcurrent, undervoltage and overtemperature conditions.
Internal temperature monitoring and a thermally efficient exposed pad QFN package allow the IC to operate
close to its maximum junction temperature of +150В°C. Supply voltage range from 12V to 72V,
operational down to 7V
DC/DC converter for 11V/100mA
3.3V/20mA supply for micro-controller, …