12ASX2 datasheet(17/147 Pages) INFINEON

17 / 147 page

EiceDRIVER

™ SIL

1EDI2002AS

Functional Description

Datasheet

Rev. 3.1, 2015-07-30

Hardware Description

NCS

Chip Select input for the SPI interface. This signal is low active. An internal weak pull-up device to V

CC1 drives this

input to High state in case the pin is floating.

IREF1

Reference input of the primary chip. This pin shall be connected to V

GND1 via an external resistor.

NRST/RDY

Open drain reset input. This signal is low-active. When a valid signal is received on this pin, the device is brought

in its default state. This signal is also used as a “ready notification”. A high level on this pin indicates that the

primary chip is functional.

DOUT

Enhanced DESAT functionality comparator status output. This signal allows real-time monitoring of the IGBT

state.

DIO1

I/O for the digital channel. Depending of the chosen configuration of the device, this pin can be an input or an

output (push-pull). An internal weak pull-down resistor to V

GND1 drives this input to Low state in case the pin is

floating.

2.2.2.2

Secondary Side

VEE2

Negative power supply for the secondary side, referring to V

GND2.

VCC2

Positive power supply for the secondary side, referring to V

GND2.

GND2

Reference ground for the secondary side.

DESAT

Desaturation Protection input pin. The function associated with this pin monitors the V

CE voltage of the IGBT. The

detection threshold is programmable. An internal pull-up resistor to V

CC2 drives this signal to High level in case it

is floating.

OCP

Over Current Protection input pin. The function associated with this pin monitors the voltage across a sensing

resistance located on the auxiliary path of a Current Sense IGBT. An internal weak pull-up resistor to the internal

5V reference drives this input to High state in case the pin is floating.

OCPG

Over Current Protection Ground.

12ASX2 Datasheet(PDF) 17 Page - Infineon Technologies AG

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