TLE8110EE datasheet(33/72 Pages) INFINEON

Part #	TLE8110EE

Description	Smart Multichannel Low Side Switch with Parallel Control and SPI Interface

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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33 / 72 page

Data Sheet

Rev. 1.0, 2009-06-15

FLEX

Smart Multi-Channel Switch

Diagnosis

Figure 17

Diagnosis Blind Time

Figure 18

Diagnosis Blind Time - Logic Flow

Channel 7 - 10

OFF

OL, SG -Diagnosis active

Incident - e.g.

temporal „short to GND“

[SG]

1 1

0 0

1 1

Diagnosis Blind Time

[DBT]

active

Diagnosis Blind Time

[DBT]

triggered by

Diagnostic Incident

Diagnostic Register Entry,

because Failure present

after ending DBT

Diagnosis Register :

11: No Error

10: Over Load

01: Open Load

00: Short to Ground

Diagnosis Blind Time [DBT] activation

DBT is triggered by Open Load [OL] or Short-to-Ground [SG] -detection during OFF-condition of CH7-10.

DBT is activated by DEVS.DBT1, DEVS.DBT2 (see „Control of the device“).

DBT.vsd

INx Signal

Output

Voltage

DBT

terr<

tDBT

terr<

tDBT

terr >

tDBT

„Blind“ window finishes as

soon as the error

disappears within the DBT

OL, SG-

Error

detected

DBT

Counter

SET 0 = tDBT

Decrement

DBT Counter

OL, SG-

Error

present?

Counter

t > tDBT

Yes

Reset Counter

(finish DBT-

frame)

OL, SG-

Error

present?

YES

Channel

OFF

YES

Failure detected

=> Register Entry

Yes

DBT_Flow.vsd

TLE8110EE Datasheet(PDF) 33 Page - Infineon Technologies AG

TLE8110EE Datasheet(HTML) 33 Page - Infineon Technologies AG

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