Rev. C 12/22

2

SIC1181KQ / SIC1182KQ

www.power.com

Pin Functional Description

VCC Pin (Pin 1)

This pin is the primary-side supply voltage connection.

GND Pin (Pin 3-6)

This pin is the connection for the primary-side ground potential.

All primary-side voltages refer to this pin.

IN Pin (Pin 7)

This pin is the input for the logic command signal.

SO Pin (Pin 8)

This pin is the output for the logic fault signal (open drain).

NC Pins (Pin 9)

This pin must be un-connected. Minimum PCB pad size for soldering

is required.

VEE Pin (Pin 10)

Common (MOSFET source) output supply voltage.

SNS Pin (Pin 11)

This pin is the sense input detecting short-circuit events at turn-on

and limiting overvoltages at turn-off.

SiC MOSFET with sense function can be used with SNS pin as

over-current monitor.

VGXX Pin (Pin 12)

This pin is the bootstrap and charge pump supply voltage source.

GH Pin (Pin 13)

This pin is the driver output-sourcing current (turn-on) connection.

VISO Pin (Pin 14)

This pin is the secondary-side positive supply voltage.

COM Pin (Pin 15)

This pin provides the secondary-side reference potential.

GL Pin (Pin 16)

This pin is the driver output-sinking current (turn-off) connection.

Figure 3. Functional Block Diagram.

Figure 4. Pin Configuration.

PI-8774b-080619

IN

GND

VEE

COM

GL

GH

VISO

VISO

VGXX

SNS

+15 V...

0 V

...-4 V...

VISO

VEE

COM

CORE

LOGIC

SO

VCC

GALVANIC ISOLATION

FluxLink

TRANSCEIVER

(BIDIRECTIONAL)

CORE LOGIC

SUPPLY MONITORING

FAILURE MANAGEMENT

SIGNAL PROCESSING

GATE DRIVER

CONTROL

TRANSCEIVER

(BIDIRECTIONAL)

LEVEL

SHIFTER

BOOTSTRAP

CHARGE PUMP

VEE CONTROLLER

POWER MANAGEMENT

VDS MEASUREMENT

or OVERCURRENT SENSE

AROC

TURN-ON

TURN-OFF

UVLO