12ASX2 datasheet(63/147 Pages) INFINEON

tên linh kiện	12ASX2

Giải thích chi tiết về linh kiện	Single Channel Isolated Driver for Inverter Systems AD Step

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EiceDRIVER

™ SIL

1EDI2002AS

Protection and Diagnostics

Datasheet

Rev. 3.1, 2015-07-30

Hardware Description

In case the measured voltage at pin OCP is higher than the internal threshold V

OCPD1, an Emergency (Safe) Turn-

off sequence is initiated, bit SER.OCPER is set and a fault notification is issued on pin NFLTA (in case of an OPM

transition the state machine - see Chapter 2.4.7). In case the measured voltage at pin OCP is higher than the

internal threshold V

OCPD2, the sticky bit SSTAT.OCPCD is set. The allows to verify during application run time the

signal integrity of the sense path. The OCP function is not active while the output stage is in PWM OFF state.

Figure 3-4 OCP Function: Principle of Operation

Note: Both DESAT and OCP protection mechanisms can be used simultaneously.

Note: In case the OCP pin is open, the pull-up resistance ensures that an OCP event is generated.

OCP

Comp1

Comp2

300 mV

50mV

Class A

Generation

OCP_Sup_active

Logic

Warning bit

OCPG

Rsense

GND2

EiceDRIVER ™ SIL

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