12ASX2 datasheet(72/147 Pages) INFINEON

72 / 147 page

EiceDRIVER

™ SIL

1EDI2002AS

Protection and Diagnostics

Datasheet

Rev. 3.1, 2015-07-30

Hardware Description

For more details, see Chapter 2.4.4.4.

The SPI Error Detection Mechanism can be tested by inserting on purpose a dedicated error and by verifying that

the device’s reaction is conform to specification.

3.4.5

Active Short Circuit Support

The Active Short Circuit Support Function is summarized in Table 3-12:

This feature is aimed at being used in combination with a booster device supporting a direct turn-on input (pin ASC,

see Figure 3-8). Any time the voltage V

CC2 goes below threshold VUVLO2L,or the internal digital voltage supply is

not valid, the open drain pin NUV2 drives a low level for the duration of the event.

Figure 3-8 ASC Strategy Support

The NUV2 pin functionality can be tested on system level by creating the conditions of its activation and verifying

that the reaction of the device corresponds to the expected behavior.

Programmability

Yes (parity can be disabled).

In-System Testability

Yes.

Table 3-12 Active Short Circuit Support Overview

Parameter

Short Description

Function

Notification in case V

CC2 is below the UVLO2 threshold or internal digital supply

not valid.

Periodicity

Continuous.

Action in case of failure event

Signal NUV2 activated.

Programmability

No.

In-System Testability

Yes.

Table 3-11 SPI Error Detection Overview (cont’d)

Parameter

Short Description

EiceBoost

EiceSIL

VCC2

Monitor

GND2

HV Logic

ASC

Weak Pull -

Down

NUV2

ASC _out

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