1EDI2004AS View Datasheet(PDF) - Infineon Technologies
Part Name
Description
MFG CO.
'1EDI2004AS' PDF : 138 Pages View PDF
EiceDRIVERTM SIL
1EDI2004AS
Functional Description
A state transition due to an Event Class B leads to the activation of signal NFLTB. If no state transition occurs
(if for example the device was already in OPM1), NFLTB is not activated. See Chapter 2.4.7 for more details on
failure notifications.
Events Class C
Generally speaking, Events Class C are error events that do not lead to a change of the operating mode of the
device. The following (exhaustive) list of events is comprised within the Event Class C:
• Time Out Error (PER.O2MTO & PER.DBTO)
• Output Stage Tristate (PER.OSTER)
• SPI Error (PER.SPIER).
• Shoot Through Protection Error (PER.STPER).
Note:
For over- and undervoltage errors it is depending on the configuration whether a Event Class B or
Event Class C is generated (e.g. SER.OVLO3ER, SER.OVLO2ER)
SPI Commands
The following SPI commands have an impact on the device’s operating mode. The SPI commands are
described in Chapter 2.4.4.5.
• ENTER_CMODE.
• ENTER_VMODE.
• EXIT_CMODE.
• Setting of bit SCTRL.CLRS (by writing register PCTRL)
Reset Events
A reset sets the device (or part of the device) in its default state. Reset events are described in Chapter 2.4.10.
2.4.5.2.2
Emergency Turn-Off Sequence
The denomination “Emergency Turn-Off Sequence” (ETO) is used to describe the sequence of actions
executed by the output stage of the device when an Event Class Aand Class B is detected.
An ETO sequence is described by the following set of actions:
• A Turn-Off sequence is initiated. In case of DESAT or OCP event, a safe turn-off sequence is initiated. For the
other events, a regular turn-off sequence is initiated.
• The device enters the corresponding OPM mode. As a consequence, the device is disabled.
Once an ETO from Event Class B has been initiated, the device can not be reenabled. Consequently, the user
need to reconfigure the device before reenabling the device and sending PWM turn-on command.
2.4.5.2.3 Ready, Disabled, Enabled and Active State
The device is said to be in Ready state in case no reset event is active on the primary chip. When the device is
Ready, signal NRST/RDY is at High level.
Data Sheet
33
Rev. 2.0
2019-01-16
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